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1
This abbreviation is widely use in Thermal analysis. We specified in the text (the extrapolated peak onset temperature (TonsetDSC).
2
1
At line 161 mentioned Tonset DCS, but does not explain what this word mean.
1
2
cosmetics2030248_makarova
1
We removed the units of temperature from the Table.
2
1
In Table II, Tonset DCS is a units of temperature, it should be used comma instead of decimal point.
1
2
cosmetics2030248_makarova
1
We changed “donate” to provide and the other word donor to provider.
2
1
At line 167, “donateis” is typically used to represent donate money, we proposed change to be “provide”, in additional, this sentence is not fluent at grammar.
1
2
cosmetics2030248_makarova
1
We changed this sentence.
2
1
The sentence in line 168 is not fluent at grammar.
1
2
cosmetics2030248_makarova
1
The sample´s name corrected (EM/BL) at line 189.
2
1
At line 189, it dors (does) not have sample named EBL, it needs to be check again.
1
2
cosmetics2030248_makarova
1
We integrated all the problems and correct he errors.
2
1
Integration of all the above problems, this post Journal does not provide future applications of phytic acid in cosmetics and its title is mentioned in herbal lotion but the experiment did not use any herb emulsion formulation. For the antioxidant capacity of phytic acid only do the experiment of DPPH that has not more in-depth study. Lot of grammatical errors is found in sentences. So we suggested to big modifications, then returned for review.
1
2
cosmetics2030248_makarova
1
We described these two points more clearly. The thermal analysis technique applies high temperatures in the samples due to this thermal stability of the emulsion associated with phytic acid decreased.
4
1
From the experimental results that phytic acid will decrease the thermal stability of the emulsion, but at line 220 mention that phytic acid has the effect of lipid peroxidation and therefore can be added as an anti-oxidant in the emulsion. So we recommend authors to describe these two points much clearer.
3
2
cosmetics2030248_makarova
1
All the corrections are highlighted in green. We expanded the discussion of the results on pages 7, 10 and the conclusion on page 11 (item 4).
2
1
The conclusions reported are very short and poor. More discussion of the presented results is needed.
1
2
cosmetics2030248_makarova
1
As mentioned in this paper, there are few studies related to the phytic acid in cosmetic products. However we added more references regarding about phytic acid antioxidant activity. References 24, 25 and 26.
2
1
The authors missed to report other authors’ studies which agree or disagree with their findings.
1
2
cosmetics2030248_makarova
1
We mentioned in the text more information about incorporation of phytic acid into emulsion on Thermal Analysis results, DPPH results and conclusion.
2
1
What is the output of this study? What are the implications in the use of PA in galenic/cosmetic formulations?
1
2
cosmetics2030248_makarova
1
Regarding with this queries we improved the discussion in the results on page 7. But we need to study more about.
2
1
What are the suggestions of the authors about the use of PA in Cosmetics based on their results? And what the parameters and the tricks that the formulators should be aware of while using PA in their products?
1
2
cosmetics2030248_makarova
1
All the corrections are highlighted in yellow. Corrected the legend of Figure 4
2
1
Some errors in the legend of Figure 4, such as EM/PHYT/BHT, EM/PHYT is not presented in Figure 4.
1
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cosmetics2030248_perova
1
(EM/HPHYT/BHT, EM/HPHYT, ET/HPHYT). The errors were corrected in text on page 09.
2
1
In Figure 4, the results is represented in three times or signal one or other times. Therefore, you must rewritten the legend of Figure 4.
1
2
cosmetics2030248_perova
1
All the corrections are highlighted in red. The “galenic” was mentioned in the article due to physician Claudio Galeno, which created the first creams formulations. Therefore we decided to change galenic to cosmetic.
2
1
We recommend “galenic” can be changed to herbaceous, because galenic is not usually to see for non-professional fields or general cosmetics reader.
1
2
cosmetics2030248_perova
1
Inserted parenthesis at line 132 (Tpeak = 48.17 °C).
2
1
Less a parenthesis at line 132.
1
2
cosmetics2030248_perova
1
Corrected at line 160 “Figureure” to “Figure”.
2
1
At line 160, “Figureure” should be “Figure.”
1
2
cosmetics2030248_perova
1
This abbreviation is widely use in Thermal analysis. We specified in the text (the extrapolated peak onset temperature (TonsetDSC).
2
1
At line 161 mentioned Tonset DCS, but does not explain what this word mean.
1
2
cosmetics2030248_perova
1
We removed the units of temperature from the Table.
2
1
In Table II, Tonset DCS is a units of temperature, it should be used comma instead of decimal point.
1
2
cosmetics2030248_perova
1
We changed “donate” to provide and the other word donor to provider.
2
1
At line 167, “donateis” is typically used to represent donate money, we proposed change to be “provide”, in additional, this sentence is not fluent at grammar.
1
2
cosmetics2030248_perova
1
We changed this sentence.
2
1
The sentence in line 168 is not fluent at grammar.
1
2
cosmetics2030248_perova
1
The sample´s name corrected (EM/BL) at line 189.
2
1
At line 189, it dors (does) not have sample named EBL, it needs to be check again.
1
2
cosmetics2030248_perova
1
We integrated all the problems and correct he errors.
2
1
Integration of all the above problems, this post Journal does not provide future applications of phytic acid in cosmetics and its title is mentioned in herbal lotion but the experiment did not use any herb emulsion formulation. For the antioxidant capacity of phytic acid only do the experiment of DPPH that has not more in-depth study. Lot of grammatical errors is found in sentences. So we suggested to big modifications, then returned for review.
1
2
cosmetics2030248_perova
1
We described these two points more clearly. The thermal analysis technique applies high temperatures in the samples due to this thermal stability of the emulsion associated with phytic acid decreased.
4
1
From the experimental results that phytic acid will decrease the thermal stability of the emulsion, but at line 220 mention that phytic acid has the effect of lipid peroxidation and therefore can be added as an anti-oxidant in the emulsion. So we recommend authors to describe these two points much clearer.
3
2
cosmetics2030248_perova
1
All the corrections are highlighted in green. We expanded the discussion of the results on pages 7, 10 and the conclusion on page 11 (item 4).
2
1
The conclusions reported are very short and poor. More discussion of the presented results is needed.
1
2
cosmetics2030248_perova
1
As mentioned in this paper, there are few studies related to the phytic acid in cosmetic products. However we added more references regarding about phytic acid antioxidant activity. References 24, 25 and 26.
2
1
The authors missed to report other authors’ studies which agree or disagree with their findings.
1
2
cosmetics2030248_perova
1
We mentioned in the text more information about incorporation of phytic acid into emulsion on Thermal Analysis results, DPPH results and conclusion.
2
1
What is the output of this study? What are the implications in the use of PA in galenic/cosmetic formulations?
1
2
cosmetics2030248_perova
1
Regarding with this queries we improved the discussion in the results on page 7. But we need to study more about.
2
1
What are the suggestions of the authors about the use of PA in Cosmetics based on their results? And what the parameters and the tricks that the formulators should be aware of while using PA in their products?
1
2
cosmetics2030248_perova
1
Following the reviewer’s comments, we have now focused on one detailed analysis based on adequate tests and a discussion of the results. The revised version drops Descriptive statistics in old Table 2, rates of increase given in the old Table 3, correlations reported in old Table 4, the regressions in old Table 5, and pooled regressions of old Table 6. The discussion based on these Tables has consequently been omitted from the revision. The unit-root-test Tables have been moved from the Appendix to the text as Table 2, and in view of the evidence in favor of unit roots, rates of growth of GDP and government variables have been shown in Table 3 somewhat like the old Table 3. These are the most major changes.
2
1
I don’t really doubt the empirical findings of the paper (which I see as support for the hypothesis in Japan and possibly in Korea), but I dislike the approach of spending a lot of space on various, often pointless, tests. There should be one detailed analysis based on adequate tests, and a discussion about the results. After all, government expenditure is a political decision.
1
2
economies3040150_perova
1
The authors are aware of the Johnson et al. paper (JME 2013) and other critiques of the PWT data. However, while the LCU numbers are appropriate for single-country analysis, these are not suitable for panel-data format which is a significant part of this study. Therefore, we use the PWT numbers throughout and hope that single-country analysis with these numbers is a reasonable approximation to the scenario indicated by LCU data.
2
1
An import question is why are the series for real GDP per capita are taken from PWT 7.0? These series are constructed to be used in cross-country studies, and they are not suitable for the analyses in the paper. See the paper by Johnson et al. (2009). This is a major flaw of the paper and the choice should be defended by showing that using the ‘standard’ real GDP series’ would give the same results. Or the GDP series, downloaded from World Development Indicators (local currency, constant prices), should be used.
1
2
economies3040150_perova
1
The dependency variable has been removed from the analysis.
2
1
The dependency ratio has not been included mechanically in most papers, as it is this one. It is supposed to pick up changes in demand for government expenditure, such as schooling and pensions. The general idea is that these have increased government expenditure, both because per-capita schooling and pensions have expanded and because the dependency ratio has increased. In most of the countries studied, as is well-known, the dependency ratio declined during the period studied, while expenditure per person probably increased. Japan is most likely an exception; it should have entered the demographic transition much earlier than the other countries. There is thus no a priory no reason to expect the dependency ratio to play an important role in the Wagner hypothesis in general. It can thus be removed from the analysis, or moved to a footnote. If the author(s) wish to pursue the approach of testing other potentially relevant variables, see Shelton 2007.
1
2
economies3040150_perova
1
Figure 1 has been redone with separate scales for logarithms of real GDP per capita and government share.
2
1
Figure 1 tends to hide co-movements between the variables by mixing of scales. I suggest the graphs are re-done using two y-axes and preferably logs.
1
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economies3040150_perova
1
The correlations of old Table 4, the static regressions of Table 5, and the discussion of endogeneity have been omitted.
2
1
In Table 5 we can get information about cointegration from the R2 and the t-values. Only Japan shows any promise, in all other cases R2 are very low. I would say they are suspiciously low for time series data. Are thy correct?
1
2
economies3040150_perova
1
Since our data cover a long period of nearly 50 years, we are inclined to rely on Johansen tests although the number of data points is smaller than 100. The Gregory-Hansen test is done for Japan and Korea also just for completeness, and might be of some methodological interest since it does not show cointegration even for Japan and Korea. The reviewer’s observation has been acknowledged in note 2.
2
1
Gregory–Hansen is used when one fails to find cointegration with standard tests. There is no point in testing countries such as Japan and Korea, when a superior test shows that they are cointegrated.
1
2
economies3040150_perova
1
We agree with the reviewer about the limited usefulness of MTAR in small samples and for Japan and Korea. However, it is included in the hope it would indicate whether lack of cointegration for Malaysia, Philippines, Singapore and Thailand might be due to asymmetric adjustment. The reviewer’s observation has been acknowledged in note 3.
2
1
The use of the MTAR model is dubious because of the small sample, and it should not be used when cointegration has been established. It is unlikely that there is enough information in the data to capture asymmetric effects and the standard procedure is to use MTAR when Engle-Granger fails to show cointegration.
1
2
economies3040150_perova
1
We have highlighted the alternative hypothesis in Pedroni’s tests on Page 8. As Pedroni (1999) clearly points out, the alternative hypothesis rejects the null of no-cointegration across all cross-sections in both within- and between-dimension tests.
2
1
What is the alternative hypothesis of the Pedroni test, that there is cointegration in any country or or in all countries? This should be made clear.
1
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economies3040150_perova
1
The “provocative conclusion” reflected one author’s subjective perception and was stated as such. He shares the perspective noted by Bennett McCallum’s in his “Is the spurious regression problem spurious?” (Economics Letters, 2010). However, the segment cited by the reviewer has been deleted since it is a more general proposition and is not necessary for the limited analysis reported in our paper.
2
1
The authors provide a very provocative conclusion (see below), but it is not supported by the analyses in the paper. The single-country analysis would provide the same results if done carefully, and the panel data analyses are dubious both because of the small cross-section (six) and the heterogeneity of the sample. I don’t mind the use panel analyses they can be presented for illustrative purposes, noting the heterogeneity. However, the time series analyses should be done correctly. Moreover, it is quite obvious that in simple bivariate cases, graphs can be very informative. However, the author(s) do not manage to provide any useful information about the dependency ratio in the ‘old fashioned’ analyses; they do only in Table 5 when (unknowingly) testing for cointegrating using OLS.
1
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economies3040150_perova
1
We completely share the reviewer’s view that despite Biehl’s PF/FP essay, almost everyone follows the standard approach, and we do the same. Our observation is just a restatement of the proposition that our approach is traditional.
2
1
Despite Biehl’s (1998) insightful essay, almost all empirical research on the topic has interpreted the Wagnerian proposition As Ram (1998, Pp. 149-150) has explained, considerations of “nonstationarity” of the variables or “spuriousness” of the correlations or regression do not have much bearing on such tests.
1
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economies3040150_perova
1
(a) the plots in Figure 1 have been rescaled and now there are cross-overs in the plot for Japan, (b) years have been shown on the horizontal axis in Figure 1, (c) a sizable addition has been made toward the end of Section 3 to address the reviewer’s observations about possible reasons for lack of cointegration in most countries, and (d) a few minor editorial alterations have been made.
4
1
The x-axes in Figure 1 should have years.
3
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economies3040150_perova
1
Several new references, including those kindly mentioned by the reviewer, have been added, and there is a concise description of these in note 1.
2
1
List of references is scant and limited. It is necessary to add more recent works on the subject with alternative ways of testing for Wagner’s Law. Suggestions include “Testing the Validity of Wagner’s Law in Bolivia: A Cointegration and Causality Analysis with Disaggregated Data” by A. Bojanic (2013); “Wagner’s Law and Italian Disaggregated Public Spending: Some Empirical Evidences” by C. Magazzino (2010); and “Panel Data, Cointegration, Causality and Wagner’s Law: Empirical Evidence from Chinese Provinces” by Narayan, P.K., et al. (2008).
1
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economies3040150_perova
1
Several formats in which Wagner’s hypothesis has been formulated and tested have been listed on page 5 of the revision. That paragraph includes six different approaches.
2
1
The paper only lists one way of testing for Wagner’s hypothesis (i.e., analyzing the relation between the share on GDP of government spending and real GDP per capita) when in fact there are many ways of looking at the hypothesis. The authors should include at least a couple of recent ways of testing this law, in addition to the traditional way of testing for it.
1
2
economies3040150_perova
1
Real GDP per capita is a fairly standard proxy for the “level of development” in the context of Wagner’s hypothesis. It might not be appropriate to use nominal GDP per capita. For the government share, it seems better to take the current-price ratio which indicates what fraction of the current output is used for government activities. The deflators for GDP and government spending are different and “real” government-share may not be a good indicator of the resource-use by the government during the current year.
2
1
The variables used do not have the same units, which may clog the analysis of the paper. Specifically, real GDP per capita is measured in 2005 dollars while the share of government consumption on GDP is measured in current prices. Either both should be in real terms or both in current prices, but not as is currently the case.
1
2
economies3040150_perova
1
The old Table 2 has been deleted. Those descriptive statistics were for the entire period. The growth rates in the new Table 3 are also for the entire period, and that has been indicated.
2
1
The descriptive stats in Table 2 reflect stats for the whole period? If so, the table should explicitly state this fact.
1
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economies3040150_perova
1
The redundant graphs for Philippines have been deleted.
2
1
Why are there 3 graphs for the Philippines in Figure 1? By the way, if the variables were measured in either current prices or utilizing the same base year, these graphs would likely be quite different (same goes for all statistical analysis, it is likely to vary when the two variables are measured the same way) 6.
1
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economies3040150_perova
1
The dependency-rate variable has been dropped.
2
1
What is the point of the dependency rate? The authors should expand on the need to add this variable and what exactly is it trying to capture. In the same vein, what do the authors mean by “however, it seems that the fall in young-dependency ratio was greater than the rise in the old-dependency rate” on p. 4?
1
2
economies3040150_perova
1
The old Table 4 has been deleted along with the remark about p-values being taken from SAS.
2
1
In Table 4, delete the “generated by SAS” note.
1
2
economies3040150_perova
1
We better specify the required items on agricultural labor productivity in the text. Sorry for the unclearness. The index is actually the measure of agricultural labor productivity, which is calculated by the agricultural output and labor. We now clarify this part with another way of expression.
2
1
Data issue: The authors indicate their data source as “…an index of panel data on agricultural output and employment in the first sector of 287 prefectures from 2000 to 2010 is collected from the China city Statistical Yearbook (2001-2011)...” It is not clear what kind of index the authors are referring to. Are the annual agricultural output data are measured in their nominal value (at current price) or in real value (at constant price)? If it’s based on the real value then what kind of deflators are used in the estimation, national level or regional level since agricultural prices may vary across regions? Labor productivity needs to be measured using real value of agricultural output. Otherwise, it may reflect the changes in prices instead of productivity. This issue needs to be properly addressed.
1
2
economies4030013_makarova
1
The Reviewer raises an interesting point that we overlooked previously. We take the starting year as 2000 is mainly because of the entry of WTO, which influences the pattern of agricultural production in China. We take the reviewer’s advice, to extend the time period until 2013, which is the latest available data on prefectural level.
2
1
Measurement issue: The authors rely on the Latent Growth Curve Modeling technique to study the trend growth of China’s agricultural labor productivity. It is not clear, however, why the authors rely on a dataset with only 10-year period to discuss labor productivity trend growth issue instead of using a dataset with longer time period if data is available. In addition, the authors may want to justify their approach by briefly discussing the advantage or shortcomings of their method comparing to other approaches in identifying the growth trend of China’s agricultural labor productivity.
1
2
economies4030013_makarova
1
We now correct all the issues in citations and tables and figures in the text. Figure 3 (now is Figure 4), the vertical axis indicates the growth rate of agricultural labor productivity; we now put it in the note. In Appendix A1, the “absolute value” means real value; we now change it to the better expression. In Appendix A2, they are measured in real value at constant price; we now better specify it in the text.
2
1
Please be more specific. Appendix Figure A2: The figure presents the chain-linked index of output and input. It is not clear whether the output is measured in real value (at constant price) or nominal value (at current price).
1
2
economies4030013_makarova
1
We would like to thank the reviewer’s scrutiny. We now specify this better in the text
2
1
One question that it is necessary to correct is the number of figures in the text.
1
2
economies4030013_makarova
1
The agricultural output is deflated with the base year 2000. There is no price index at the prefectural level. For this reason we use the provincial price indices to deflate the nominal series. Hence, all the prefectures within each province are deflated by the same index. Although suboptimal, this helps to preserve the comparability in the two estimations. The reviewer rises a very useful point that we initially ignored. We now better specify the required items on agricultural labor productivity in the text.
2
1
Besides, the authors must define better the data how the agricultural labor productivity was calculated. The agricultural output is in current or constant prices? This could have strong implications in one case or another, especially in the first case. The context of this paper consists in growing agricultural prices, especially in the second half of this decade in the world panorama. So, if the agricultural output is in current prices, the growing prices will affect deeply the results. It must be clearer.
1
2
economies4030013_makarova
1
The reviewer is right. The first sector is a macro conception of agriculture. It indeed includes fishery. However, the data of output and employment are both collected on this level - the first sector. Hence, we assume the quotient of the two variables is a proxy to agriculture labor productivity. Meanwhile, they are the only available data on the prefectural level to calculate agricultural labor productivity. Therefore, we think this calculation is still helpful.
2
1
On the other hand, in the same line of text (pg. 4 line 3), the authors define the denominator of the agricultural labor productivity as the employed labors in the first sector. What does this first sector mean? Is it a synonymous of agricultural sector? If this “first sector” includes the fish workers, the agricultural labor productivity measures are not correct in the regions with sea access. In this case, it would be the primary sector labor productivity. The authors should also clarify if this sector included the forest products and labor.
1
2
economies4030013_makarova
1
The Reviewer raises a very valuable point. We now include more recent literature in the introduction, as well as the government movements of the relevant policies in recent years.
2
1
The introduction is welldone, but it could be improved in some points. I have missed a review of the literature. The measurement of the agricultural labor productivity is an important theme in the literature, not only in the agricultural economics, but also in the economics literature. For example, there are two paper published in two important journals in economics recently that the authors omitted. These papers could be reinforcement about the relevance of this measurement of agricultural productivity: Gollin D, Lagakos D, Waugh ME (2014) Agricultural productivity differences across countries. American Economic Review 104(5):165–170; Gollin D, Lagakos D, Waugh ME (2014) The agricultural productivity gap. Quarterly Journal Economics 129(2): 939–993.
1
2
economies4030013_makarova
1
We now specify this better in the text.
2
1
Other thing to improve the introduction would be writing the main objective of the paper. I think, this clear objective could improve the introduction about the target that the authors follow in this paper. In this version, this is relatively diffuse.
1
2
economies4030013_makarova
1
The Reviewer raises a valuable point which we overlooked previously. In the section 3.3, we improve the understanding of the growth pattern of Chinese agricultural labor productivity by adding the estimations of beta and sigma convergence. The results of convergence estimation also echo our analysis of LGCM.
2
1
The authors could enrich the results’ part with reference to the concepts of convergence of Barro and Sala-i-Martin, beta and sigma convergence. The authors wrote about these concepts, for example pg. 6 lines 22-23 and pg. 9 lines 5-6, but they can point out the non existence in the case of Chinese prefectural level.
1
2
economies4030013_makarova
1
Yes, the Reviewer is correct. Since we add three years into the dataset (following the suggestion from the other reviewer), the table context changes. We now improve this issue in the text.
2
1
Maybe, the footnote 5 could go to the table 2’s note.
1
2
economies4030013_makarova
1
We improve this part in the text. The recent movements of the government in this agricultural reform are added. Since we add the data of recent three years, another break is observed in the curve. So we also introduce the macro policy of stimulus package.
2
1
One of the most interesting issues of the paper is the political change in 2004. Perhaps, more detailed reasons of the reform would enrich the causes to promote it. Besides, the implications of this political reform are explained in the text, but more detail in these explanations would permit to understand better these changes.
1
2
economies4030013_makarova
1
We would like to thank the Reviewer to recommend us to develop this part. The Reviewer raises a very interesting point. However, the prefectural-level data in terms of farmland are only reported until 2007 in the China City Statistical Yearbook.
2
1
As a suggestion for this paper or another, having the data of output, labor and land, it is also interesting to analyze the agricultural labor productivity explained by the agricultural land productivity and land-labor ratios. Maybe, some simple correlations between the growths of agricultural labor productivity vs land productivity and land-labor ratio could enrich this or future analysis.
1
2
economies4030013_makarova
1
We better specify the required items on agricultural labor productivity in the text. Sorry for the unclearness. The index is actually the measure of agricultural labor productivity, which is calculated by the agricultural output and labor. We now clarify this part with another way of expression.
2
1
Data issue: The authors indicate their data source as “…an index of panel data on agricultural output and employment in the first sector of 287 prefectures from 2000 to 2010 is collected from the China city Statistical Yearbook (2001-2011)...” It is not clear what kind of index the authors are referring to. Are the annual agricultural output data are measured in their nominal value (at current price) or in real value (at constant price)? If it’s based on the real value then what kind of deflators are used in the estimation, national level or regional level since agricultural prices may vary across regions? Labor productivity needs to be measured using real value of agricultural output. Otherwise, it may reflect the changes in prices instead of productivity. This issue needs to be properly addressed.
1
2
economies4030013_perova
1
The Reviewer raises an interesting point that we overlooked previously. We take the starting year as 2000 is mainly because of the entry of WTO, which influences the pattern of agricultural production in China. We take the reviewer’s advice, to extend the time period until 2013, which is the latest available data on prefectural level.
2
1
Measurement issue: The authors rely on the Latent Growth Curve Modeling technique to study the trend growth of China’s agricultural labor productivity. It is not clear, however, why the authors rely on a dataset with only 10-year period to discuss labor productivity trend growth issue instead of using a dataset with longer time period if data is available. In addition, the authors may want to justify their approach by briefly discussing the advantage or shortcomings of their method comparing to other approaches in identifying the growth trend of China’s agricultural labor productivity.
1
2
economies4030013_perova
1
We now correct all the issues in citations and tables and figures in the text. Figure 3 (now is Figure 4), the vertical axis indicates the growth rate of agricultural labor productivity; we now put it in the note. In Appendix A1, the “absolute value” means real value; we now change it to the better expression. In Appendix A2, they are measured in real value at constant price; we now better specify it in the text.
2
1
Please be more specific. Appendix Figure A2: The figure presents the chain-linked index of output and input. It is not clear whether the output is measured in real value (at constant price) or nominal value (at current price).
1
2
economies4030013_perova
1
We would like to thank the reviewer’s scrutiny. We now specify this better in the text
2
1
One question that it is necessary to correct is the number of figures in the text.
1
2
economies4030013_perova
1
The agricultural output is deflated with the base year 2000. There is no price index at the prefectural level. For this reason we use the provincial price indices to deflate the nominal series. Hence, all the prefectures within each province are deflated by the same index. Although suboptimal, this helps to preserve the comparability in the two estimations. The reviewer rises a very useful point that we initially ignored. We now better specify the required items on agricultural labor productivity in the text.
2
1
Besides, the authors must define better the data how the agricultural labor productivity was calculated. The agricultural output is in current or constant prices? This could have strong implications in one case or another, especially in the first case. The context of this paper consists in growing agricultural prices, especially in the second half of this decade in the world panorama. So, if the agricultural output is in current prices, the growing prices will affect deeply the results. It must be clearer.
1
2
economies4030013_perova
1
The reviewer is right. The first sector is a macro conception of agriculture. It indeed includes fishery. However, the data of output and employment are both collected on this level - the first sector. Hence, we assume the quotient of the two variables is a proxy to agriculture labor productivity. Meanwhile, they are the only available data on the prefectural level to calculate agricultural labor productivity. Therefore, we think this calculation is still helpful.
2
1
On the other hand, in the same line of text (pg. 4 line 3), the authors define the denominator of the agricultural labor productivity as the employed labors in the first sector. What does this first sector mean? Is it a synonymous of agricultural sector? If this “first sector” includes the fish workers, the agricultural labor productivity measures are not correct in the regions with sea access. In this case, it would be the primary sector labor productivity. The authors should also clarify if this sector included the forest products and labor.
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economies4030013_perova
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The Reviewer raises a very valuable point. We now include more recent literature in the introduction, as well as the government movements of the relevant policies in recent years.
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The introduction is welldone, but it could be improved in some points. I have missed a review of the literature. The measurement of the agricultural labor productivity is an important theme in the literature, not only in the agricultural economics, but also in the economics literature. For example, there are two paper published in two important journals in economics recently that the authors omitted. These papers could be reinforcement about the relevance of this measurement of agricultural productivity: Gollin D, Lagakos D, Waugh ME (2014) Agricultural productivity differences across countries. American Economic Review 104(5):165–170; Gollin D, Lagakos D, Waugh ME (2014) The agricultural productivity gap. Quarterly Journal Economics 129(2): 939–993.
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economies4030013_perova
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We now specify this better in the text.
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Other thing to improve the introduction would be writing the main objective of the paper. I think, this clear objective could improve the introduction about the target that the authors follow in this paper. In this version, this is relatively diffuse.
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economies4030013_perova
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The Reviewer raises a valuable point which we overlooked previously. In the section 3.3, we improve the understanding of the growth pattern of Chinese agricultural labor productivity by adding the estimations of beta and sigma convergence. The results of convergence estimation also echo our analysis of LGCM.
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The authors could enrich the results’ part with reference to the concepts of convergence of Barro and Sala-i-Martin, beta and sigma convergence. The authors wrote about these concepts, for example pg. 6 lines 22-23 and pg. 9 lines 5-6, but they can point out the non existence in the case of Chinese prefectural level.
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economies4030013_perova
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Yes, the Reviewer is correct. Since we add three years into the dataset (following the suggestion from the other reviewer), the table context changes. We now improve this issue in the text.
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Maybe, the footnote 5 could go to the table 2’s note.
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economies4030013_perova
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We improve this part in the text. The recent movements of the government in this agricultural reform are added. Since we add the data of recent three years, another break is observed in the curve. So we also introduce the macro policy of stimulus package.
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One of the most interesting issues of the paper is the political change in 2004. Perhaps, more detailed reasons of the reform would enrich the causes to promote it. Besides, the implications of this political reform are explained in the text, but more detail in these explanations would permit to understand better these changes.
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economies4030013_perova
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We would like to thank the Reviewer to recommend us to develop this part. The Reviewer raises a very interesting point. However, the prefectural-level data in terms of farmland are only reported until 2007 in the China City Statistical Yearbook.
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As a suggestion for this paper or another, having the data of output, labor and land, it is also interesting to analyze the agricultural labor productivity explained by the agricultural land productivity and land-labor ratios. Maybe, some simple correlations between the growths of agricultural labor productivity vs land productivity and land-labor ratio could enrich this or future analysis.
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economies4030013_perova
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According to reviewer’s comment, we added Equation (14), and Tables 3 and 4 on the number of additions for the VVC inverse transforms.
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Please add information on the number of additions for different transform types and sizes in original and proposed variants.
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electronics11050760_makarova
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According to the reviewer’s comment, we modified and added some keywords as follows: We replaced “Keywords: VVC; HEVC; video coding; transform; computational complexity” With “Keywords: VVC (Versatile Video Coding), HEVC (High Efficiency Video Coding, Linear Inverse Transform, computational complexity, DCT (Discrete Cosine Transform), Discrete Sine Transform (DST), BD-rate”
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It is better that they replace them with other keywords to increase the reach of the manuscript. Keywords : We suggest that the authors should replace keywords such as “video coding” and “transform” because these keywords are already found in the article title.
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electronics11050760_makarova
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According to the reviewer's comments, we updated the last paragraph of Section 1 as follows: We replaced “Section 2 presents a proposed inverse transform using linearity to reduce the computational complexity.” With “In Section 2.1, we introduce the transforms used in VVC. And we propose a fast inverse transform using linearity to reduce the computational complexity in Section 2.2.” Comment) Methodology Section: It should be structured, sub-headings should be added to facilitate tracking and understanding.
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Introduction: The authors should add the main contribution s briefly at the end of the introduction.
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electronics11050760_makarova
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According to the reviewer’s comment, we divided Section 2 as follows: 2. VVC Transforms and Proposed Method 2.1. Introduction to DCT-II, DST-VII, and DCT-VIII 2.2. Propose Fast Inverse Transform Using Linearity Comment) The authors should add a section where they discuss comparing their results with those of existing research.
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Methodology Section: It should be structured, sub-headings should be added to facilitate tracking and understanding.
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electronics11050760_makarova
1
According to the reviewer’s comment, we included the following sentence in the end of 3. Experimental Results section on page 11: ~~ “Fast encoding methods only in the encoder side were proposed to reduce the encoding complexity of VVC but all the fast encoding methods increased the BD-rates [29][30][31] in terms of the bit-rate reduction so that the proposed inverse transform using linearity in the decoder side differs from those approaches in that it keeps the BD-rate in VVC while reducing the decoding complexity. If the proposed inverse transform is applied to the VVC standard, the inverse transform of the VVC standard should be changed to include the proposed method. Therefore, the proposed method can be considered in the next-generation video coding standards because it reduces the decoding complexity while the BD-rate is maintained.” ~~ And three new references [29],[30], and [31] in Reference section were included.
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There is a lot of recent research out there that can be used for comparison. As this discussion and comparison can clarify the fairness and rationality of the results of the proposed method.
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electronics11050760_makarova
1
According to the reviewer’s comment, we added the future directions in the conclusion section as follows: “The proposed method can be considered in the next-generation video coding standards because it reduces the decoding complexity while the BD-rate is maintained.”
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Conclusions: Future directions should be added to the conclusion section.
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electronics11050760_makarova
1
High Efficient Video Coding (HEVC), Standard ITU-T Recommendation H.265 and ISO/IEC 23008-2, Apr. 2013. Sullivan, G. J.; Ohm, J.; Han, W.; Wiegand, T. Overview of the High Efficiency Video Coding (HEVC) Standard, In IEEE Transactions on Circuits and Systems for Video Technology, 2012, vol. 22, pp. 1649-1668, doi: 10.1109/TCSVT.2012.2221191. Bross, B.; Chen, J.; Liu, S.; Wang, Y.-K. Versatile Video Coding (Draft 10). In Proceedings of the 19th Meeting Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, Teleconference (Online), 22 June-1 July 2020; 6. Bross, B.; Wang, Y.-K; Ye, Y,; Liu, S.; Sullivan, G. J.; Ohm, J. Overview of the Versatile Video Coding (VVC) Standard and its Applications, In IEEE Transactions on Circuits and Systems for Video Technology, 2021, vol. 31, pp. 3736-3764, doi: 10.1109/TCSVT.2021.3101953 7. Karhunen, K. Über Lineare Methoden in der Wahrscheinlichkeitsrechnung, Soumalainen Tiedeakatemia, 1947; pp. 1-79.
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The names of the researchers must follow the style of the journal format.
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electronics11050760_makarova
1
Thank you for pointing out our mistake. According to the reviewer’s comment, we completely updated the list of references as follows: 1. Advanced Video Coding (AVC), Standard ITU-T Recommendation H.264 and ISO/IEC 14496-10, May 2003. Wiegand, T.; Sullivan, G. J.; Bjontegaard, G.; Luthra, A. Overview of the H.264/AVC Video Coding Standard, In IEEE Transactions on Circuits and Systems for Video Technology, 2003, vol. 13, pp. 560-576, doi: 10.1109/TCSVT.2003.815165..
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Some links do not work in the reference list like [22] … etc.
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electronics11050760_makarova
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According to the reviewer’s comment, the revised manuscript was reviewed and substantially modified by an English native speaker.
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This article requires extensive proofreading. Authors should check the entire article to remove all extensive mistakes (grammatical and typos) and to improve English writing quality.
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electronics11050760_makarova
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According to reviewer’s comment, we the following sentences at the end of the Introduction. “In this paper, we analyze the number of multiplications of the existing fast transform methods in the VVC standard, and we propose a new fast inverse transform using the number of non-zero coefficients based on linearity to reduce the number of multiplications.” Comment 2) Discussion Section: The authors did not respond accurately to this comment.
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The authors should add the main contributions briefly at the end of the introduction. Introduction Section: This comment still requires a response.
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electronics11050760_makarova
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According to reviewer’s comment, we added Discussion Section. Discussion The previously proposed fast methods were mainly addressed to reduce complexity in the video encoder with the BD-rate loss. In [29], a fast intra mode decision algorithm was proposed and the result showed the encoding time savings of 51%~53% with BD-rate loss of 0.93%~1.08%. A low-complexity CTU (Coding Tree Unit) partition structure decision and fast intra mode decision were proposed in [30] and showed the average encoding time saving of 63% with the BD-rate loss of 1.93%. The fast encoders for video coding reduce only the encoder complexity but the BD-rates were always increased without decreasing the decoder complexity. However, the proposed fast inverse transform is different from the fast encoders in that it reduces the complexity in both the encoder and decoder while maintaining the BD- rate of the VVC standard. In the RA configuration, the proposed method reduces the average encoding and decoding times by approximately (4, 10) %, respectively, while maintaining average BD-rates. If the proposed inverse transform using the number of non-zero coefficients is applied to the VVC standard, the inverse transform of the VVC standard should be changed to include the proposed method. This fact can be demerit. However, the proposed method can be considered in the next-generation video coding standards because it achieves decoding run-time saving, while maintaining average BD-rate. In addition to that, the proposed method is more effective in high QP value than in low QP value, because the higher the QP value is, the fewer no-zero coefficients there are.
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The authors should add a section where they discuss comparing their results with those of existing research. Also, they should clarify the limitations of the proposed method. Discussion Section: The authors did not respond accurately to this comment.
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electronics11050760_makarova
1
We cannot find them.
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Figures and Tables: All figures and tables are shown before they are used in the text.
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electronics11050760_makarova
1
According to reviewer’s comment, we added Equation (14), and Tables 3 and 4 on the number of additions for the VVC inverse transforms.
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Additions also affect complexity. Please add information on the number of additions for different transform types and sizes in original and proposed variants.
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electronics11050760_perova
1
According to the reviewer’s comment, we modified and added some keywords as follows: We replaced “Keywords: VVC; HEVC; video coding; transform; computational complexity” With “Keywords: VVC (Versatile Video Coding), HEVC (High Efficiency Video Coding, Linear Inverse Transform, computational complexity, DCT (Discrete Cosine Transform), Discrete Sine Transform (DST), BD-rate” Comment) Introduction: The authors should add the main contribution s briefly at the end of the introduction.
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Keywords: We suggest that the authors should replace keywords such as “video coding” and “transform” because these keywords are already found in the article title. It is better that they replace them with other keywords to increase the reach of the manuscript.
1
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electronics11050760_perova
1
According to the reviewer's comments, we updated the last paragraph of Section 1 as follows: We replaced “Section 2 presents a proposed inverse transform using linearity to reduce the computational complexity.” With “In Section 2.1, we introduce the transforms used in VVC. And we propose a fast inverse transform using linearity to reduce the computational complexity in Section 2.2.” Comment) Methodology Section: It should be structured, sub-headings should be added to facilitate tracking and understanding.
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Introduction Section:
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electronics11050760_perova
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According to the reviewer’s comment, we divided Section 2 as follows: 2. VVC Transforms and Proposed Method 2.1. Introduction to DCT-II, DST-VII, and DCT-VIII 2.2. Propose Fast Inverse Transform Using Linearity Comment) The authors should add a section where they discuss comparing their results with those of existing research.
2
1
Methodology Section: It should be structured, sub-headings should be added to facilitate tracking and understanding.
1
2
electronics11050760_perova
1
According to the reviewer’s comment, we included the following sentence in the end of 3. Experimental Results section on page 11: ~~ “Fast encoding methods only in the encoder side were proposed to reduce the encoding complexity of VVC but all the fast encoding methods increased the BD-rates [29][30][31] in terms of the bit-rate reduction so that the proposed inverse transform using linearity in the decoder side differs from those approaches in that it keeps the BD-rate in VVC while reducing the decoding complexity. If the proposed inverse transform is applied to the VVC standard, the inverse transform of the VVC standard should be changed to include the proposed method. Therefore, the proposed method can be considered in the next-generation video coding standards because it reduces the decoding complexity while the BD-rate is maintained.” ~~ And three new references [29],[30], and [31] in Reference section were included.
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1
Discussion Section: There is a lot of recent research out there that can be used for comparison. As this discussion and comparison can clarify the fairness and rationality of the results of the proposed method.
1
2
electronics11050760_perova
1
According to the reviewer’s comment, we added the future directions in the conclusion section as follows: “The proposed method can be considered in the next-generation video coding standards because it reduces the decoding complexity while the BD-rate is maintained.”
2
1
Conclusions: Future directions should be added to the conclusion section.
1
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electronics11050760_perova
1
Thank you for pointing out our mistake. According to the reviewer’s comment, we completely updated the list of references as follows: 1. Advanced Video Coding (AVC), Standard ITU-T Recommendation H.264 and ISO/IEC 14496-10, May 2003. 2. Wiegand, T.; Sullivan, G. J.; Bjontegaard, G.; Luthra, A. Overview of the H.264/AVC Video Coding Standard, In IEEE Transactions on Circuits and Systems for Video Technology, 2003, vol. 13, pp. 560-576, doi: 10.1109/TCSVT.2003.815165.. 3. High Efficient Video Coding (HEVC), Standard ITU-T Recommendation H.265 and ISO/IEC 23008-2, Apr. 2013. 4. Sullivan, G. J.; Ohm, J.; Han, W.; Wiegand, T. Overview of the High Efficiency Video Coding (HEVC) Standard, In IEEE Transactions on Circuits and Systems for Video Technology, 2012, vol. 22, pp. 1649-1668, doi: 10.1109/TCSVT.2012.2221191. 5. Bross, B.; Chen, J.; Liu, S.; Wang, Y.-K. Versatile Video Coding (Draft 10). In Proceedings of the 19th Meeting Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, Teleconference (Online), 22 June-1 July 2020; 6. Bross, B.; Wang, Y.-K; Ye, Y,; Liu, S.; Sullivan, G. J.; Ohm, J. Overview of the Versatile Video Coding (VVC) Standard and its Applications, In IEEE Transactions on Circuits and Systems for Video Technology, 2021, vol. 31, pp. 3736-3764, doi: 10.1109/TCSVT.2021.3101953 7. Karhunen, K. Über Lineare Methoden in der Wahrscheinlichkeitsrechnung, Soumalainen Tiedeakatemia, 1947; pp. 1-79. 8. Ahmed, N.; Natarajan, T.; Rao, K. R. Discrete Cosine Transform, In IEEE Transactions on Computers, 1974, vol. C-23, pp. 90-93, doi: 10.1109/T-C.1974.223784. 9. Rose, K.; Heiman, A.; Dinstein, I. DCT/DST Alternate-Transform Image Coding, In IEEE Transactions on Communications, 1990, vol. 38, pp. 94-101, doi: 10.1109/26.46533. 10. Zhao, X.; Chen, J.; Karczewicz, M.; Zhang, L.; Li, X.; Chien, W. -J. Enhanced Multiple Transform for Video Coding, 2016 Data Compression Conference (DCC), 2016, pp. 73-82, doi: 10.1109/DCC.2016.9. 11. Han, J.; Saxena, A.; Melkote, V.; Rose, K. Jointly Optimized Spatial Prediction and Block Transform for Video and Image Coding, In IEEE Transactions on Image Processing, 2012, vol. 21, pp. 1874-1884, doi: 10.1109/TIP.2011.2169976. 12. Budagavi, M.; Fuldseth, A.; Bjøntegaard, G.; Sze, V.; Sadafale, M. Core Transform Design in the High Efficiency Video Coding (HEVC) Standard, In IEEE Journal of Selected Topics in Signal Processing, 2013, vol. 7, pp. 1029-1041, doi: 10.1109/JSTSP.2013.2270429. 13. Zhao, X.; Chen, J.; Karczewicz, M.; Said, A.; Seregin, V. Joint Separable and Non-Separable Transforms for Next-Generation Video Coding, In IEEE Transactions on Image Processing, 2018, vol. 27, no. 5, pp. 2514-2525, doi: 10.1109/TIP.2018.2802202. 14. Zhao, X.; Chen, J.; Said, A.; Seregin, V.; Egilmez, H. E.; Karczewicz, M. NSST: Non-separable secondary transforms for next generation video coding, 2016 Picture Coding Symposium (PCS), 2016, pp. 1-5, doi: 10.1109/PCS.2016.7906344.
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References List: The list of references is recent, and all references are related to the research topic but it is not sufficient for this study. The names of the researchers must follow the style of the journal format. The double quotation should be omitted from the research titles in the list of references. Some search names in the reference list begin an uppercase letter for each word (such as [4], [5] ... etc.) and others use only an uppercase letter in the first word (such as [2], [9] … etc. ), authors should standardize style. All journal names should be italic. Some references do not contain enough information such as [16], [18] … etc. Some links do not work in the reference list like [22] … etc. The list of references requires an extensive check.
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electronics11050760_perova
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According to reviewer’s comment, we the following sentences at the end of the Introduction. “In this paper, we analyze the number of multiplications of the existing fast transform methods in the VVC standard, and we propose a new fast inverse transform using the number of non-zero coefficients based on linearity to reduce the number of multiplications.” Comment 2) Discussion Section: The authors did not respond accurately to this comment.
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The authors should add the main contributions briefly at the end of the introduction. Introduction Section: This comment still requires a response.
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electronics11050760_perova
1
4. According to reviewer’s comment, we added Discussion Section. Discussion The previously proposed fast methods were mainly addressed to reduce complexity in the video encoder with the BD-rate loss. In [29], a fast intra mode decision algorithm was proposed and the result showed the encoding time savings of 51%~53% with BD-rate loss of 0.93%~1.08%. A low-complexity CTU (Coding Tree Unit) partition structure decision and fast intra mode decision were proposed in [30] and showed the average encoding time saving of 63% with the BD-rate loss of 1.93%. The fast encoders for video coding reduce only the encoder complexity but the BD-rates were always increased without decreasing the decoder complexity. However, the proposed fast inverse transform is different from the fast encoders in that it reduces the complexity in both the encoder and decoder while maintaining the BD- rate of the VVC standard. In the RA configuration, the proposed method reduces the average encoding and decoding times by approximately (4, 10) %, respectively, while maintaining average BD-rates. If the proposed inverse transform using the number of non-zero coefficients is applied to the VVC standard, the inverse transform of the VVC standard should be changed to include the proposed method.
4
1
The authors should add a section where they discuss comparing their results with those of existing research. Also, they should clarify the limitations of the proposed method. Discussion Section: The authors did not respond accurately to this comment.
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electronics11050760_perova
1
We cannot find them.
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Figures and Tables: All figures and tables are shown before they are used in the text.
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electronics11050760_perova
1
The diesel generator equal to the rating of base load is kept as backup to avoid total black out situation of the system.
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In the proposed system solar PV, wind generator and battery are the main generating system. As the proposed system is in isolated mode, how continuity of power supply be maintained?
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en15031006_perova
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According to your suggestion, we have improved the quality of Figures as can see Figure 1 and Figure2.
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The quality of the figures needs to be improved.
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en15031006_perova
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According to your suggestion, we have modified the Equations 4, 9 and 12 in the revised version of the manuscript as fellows.
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Equations 4, 9, and 12 include some corrections and need to be modified.
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en15031006_perova
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According to your suggestion the baseload is added in the result section as follows: In addition, to further validate the proposed system, the appliance schedule pattern for Monday is drawn in Figure 10 and Figure 9 represents the appliance weightage given by consumers for Monday. In addition, Figure 8 represents the power generated graph for the same day. The baseload is calculated as 1000 watts for each house to keep basic appliances turn ON uninterruptedly. As there are 5 houses in the community the total base power for the system is 5000 watts. The excess power is utilize to turn ON the schedulable appliances on Monday.
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It could be better to include base load ratings in the results section (Fig: 10)
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en15031006_perova
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As Sizing of the grid system is not the main goal of the article, but as per your suggestion, it is briefly discuss in the subsections of Mathematical modelling of the Energy sources. Both solar and wind systems are designed for output power equal to the consumer’s load whose annual load curve peak is maximum out of all the consumer’s in the community. Battery storage systems have the capability to supply uninterrupted power equal to the base load of the system up to 6 hours. And diesel generator equal to the rating of system’s base load is kept as a backup to avoid total black out situation. The designed system is not the time-varying tariff, therefore the overall system is designed to treat each consumer of the community equally. In time-varying tariff based system, the sizing of the system is the main objective as to accommodate the wealthy consumers of the community.
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Sizing of renewable energy sources and battery systems were not properly explored.
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en15031006_perova
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According to your suggestion the consumer comfortability is discussed from line 144-160. In this work, a DSM algorithm is proposed by using renewable resources PV and wind turbines for those houses that are located far away from the main city.
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Please discuss how consumers’ comfortability is marinated in the proposed method.
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en15031006_perova
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According to your suggestion, in the revised version of the manuscript, the unnecessary use of subjective pronoun is removed and overall writing of the paper is improved.
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Authors should avoid using the Subjective pronoun “ we” in academic works.
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en15031006_perova
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Thank you for your comment. Due to the lack of real time datasets, we have used the publically available datasets for the verification of the proposed system.
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In such a study an experimental case must be presented in a specified region.
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en15031006_perova
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Battery storage bank is included in the system to provide the baseload power in the time when renewable sources are not suffice to meet the baseload power demand. Diesel generators equal to the rating of base load is kept as backup to avoid total black out in worse conditions. Our objective is to schedule and shift the controllable appliances by estimating hourly power generation and considering consumer demand as a variable function. The appliances are prioritized based on their need and demand to achieve optimum energy utilization. The main contribution of this paper include: A demand side management algorithm is proposed to fulfil the energy gap between generation and consumer’s demand for standalone renewable energy system. K-mean clustering is used to make clusters of the data based on two factors: probability of turning ON a specific appliance at time t and priority number given by consumer to that specific appliance. Linear integer programming is used to schedule the appliances clusters based on the available power and state of charge of the battery system. According to your suggestion, the novelty of the proposed work has been made more clear and understandable for readers in the introduction section as follows: In this work, a DSM algorithm is proposed by using renewable resources PV and wind turbines for those houses that are located far away from the main city.
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The authors should carefully distinguish the new contributions of their work from the new existing studies.for example: DOI: 10.1016/j.est.2020.101221
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en15031006_perova
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