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Does the Environmental Supervision System Improve Air Quality in China?An Empirical Study using the difference-in-differences model

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Journal of Resources and Ecology 2021年第5期12卷 581-592页

作者： CAO Zhiying WANG Liangjian WU Jiahao School of Economics and Trade Hunan UniversityChangsha 410006China

To effectively solve the problem of environmental pollution,the Chinese government has implemented an environmental supervision system since *** environmental supervision system mainly uses the four functions of supervision,investigation,coordination,and emergency response to strengthen environmental protection supervision and law enforcement,respond to environmental emergencies,and coordinate cross-regional pollution *** an important system design for China to control environmental pollution and promote the ecological transformation of economic development,the policy effect of the environmental supervision system deserves *** paper uses the difference-in-differences method to investigate the impact of the top-down environmental supervision system on air quality based on the 2000-2016 data for 285 prefecture-level cities in *** results indicate that the annual average concentration of PM_(2.5)decreased significantly after the implementation of the environmental supervision *** dynamic analysis shows that PM_(2.5)decreased most markedly in the first year after the implementation of the policy,and then the effect gradually *** analysis suggests that the environmental supervision system can break the collusion between government and enterprise,encourage enterprises to carry out technological innovation,change pollutant discharge behavior and push local governments to adjust the industrial structure,enhance environmental protection awareness to reduce the PM_(2.5)concentration,and improve air *** different regions,the PM_(2.5)in East China,North China and Northeast China are relatively high,and the pressure for air pollution control is ***,we find that the environmental supervision system has a significant station *** with other cities,the cities where the environmental supervision centers are located are more deterred by the environmental supervision,and their air quality has impr

关键词： environmental supervision system air quality PM_(2.5) difference-in-differences model

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Impact of an official accountability audit on industrial structure adjustment:a case study of environmental regulation in China

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Chinese Journal of Population,Resources and Environment 2024年第2期22卷 167-175页

作者： Yu Xia Department of Economics Syracuse UniversitySyracuse 13244United States

As a unique environmental regulation in China,the official accountability audit was piloted in *** a focus on prioritizing the ecological environment,officials in pilot districts have implemented economic construction,adjusted industrial structures,and promoted coordinated development between the economy and *** effects of implementation have garnered widespread attention from ***,there is limited research on the impact of an accountability audit on industrial structure *** the“Accountability Audit of Officials for Natural Resource Assets(Trial)”released in 2015 as a quasi-natural experiment,this study collected panel data from 279 cities between 2013 and *** then empirically analyzed the impact mechanism and effects of the accountability audit on industrial structure adjustment using the Propensity Score Matching and difference-in-differences *** research findings indicate that the accountability audit directly impacted industrial structure adjustment,promoting the upgrading of the primary industry to the secondary industry and restricting the development of the tertiary *** addition,the audit is beneficial for enterprise entry,but not conducive to technological innovation,and has no significant impact on foreign direct *** conclusion fills a gap in the existing research and provides valuable insights for policymakers.

关键词： Accountability audit difference-in-differences model Environmental regulation Industrial structure adjustment Quasi-natural experiment

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The Effects of Infrastructure Projects on House Prices and Rents:Evidence from the HS2 Extension Cancellation in the UK

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Journal of Sustainable Business and Economics 2024年第2期7卷 76-94页

作者： Wentao Zhu Department of Mathematics London School of Economics and Political ScienceLondonUnited Kingdom

This paper uses the HS2 extension cancellation in November 2021 as a quasi-experiment to study its impact on house prices and rents in *** a DiD approach on repeat sales and monthly rents,I compare property values near the HS2 station and proposed construction site before and after the *** show a 3.6%decrease in house prices and a 3.9%decline in rents near the station,while properties near the construction site experienced a 2.4%increase in prices and a 2.1%rise in *** is the first paper to analyse the HS2 cancellation effect using panel data methods.

关键词： HS2 extension cancellation Externalities House price effects Transport infrastructure difference-in-differences model

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Impact of the Belt and Road Initiative on environmental quality in countries along the routes

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Chinese Journal of Population,Resources and Environment 2021年第4期19卷 344-351页

作者： Xiang Cao Congbo Teng Jijun Zhang School of Economics Hainan UniversityHaikou570228China

China has adhered to the concept of green development since the introduction of the Belt and Road Initiative in ***,as the initiative continues to advance,speculations have been raised on the possibility of its reduction of the environmental quality of the countries along the ***,has the seven-year-old Belt and Road Initiative reduced the environmental quality of these countries and how does it affect the environmental quality?To address these issues,this study conducted a quasi-natural experiment,based on the WDI 2005-2017 data,the human development index database of the World Bank and the OECD(Organization for Economic Cooperation and Development)database.A country-year panel data was constructed using the difference-in-differences model to assess the countries along the‘area’initiative for environmental effects,and to further examine the heterogeneity and the policy effect *** main conclusions were as follows:①The Belt and Road Initiative had significantly improved the environmental quality of countries along the *** conclusions remained robust after the introduction of the placebo test,the use of instrumental variables to alleviate possible endogenous problems and a series of other robustness tests.②The results of heterogeneity analysis showed that the Belt and Road Initiative exerted a greater effect on the countries with lower environmental quality than those with higher quality in terms of environmental improvements.③Mechanism analysis showed that the Belt and Road Initiative improved the environmental quality of countries along the routes by promoting technological progress and strengthening environmental regulation,but it failed to significantly improve the environmental quality of these countries by promoting clean energy structure and industrial structure and increasing the scale ***,China should continue to vigorously promote the concept of developing a green Belt and Road,expand the coverage of the green Belt

关键词： Belt and Road Initiative Environmental pollution difference-in-differences model

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Employment and Working Hour Effects of Minimum Wage Increase:Evidence from China

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China & World Economy 2014年第2期22卷 61-80页

作者： Peng Jia Institute of Population and Labor Economics Chinese Academy of Social Science

Using a difference-in-differences model, the present paper provides empirical evidence of minimum wage effects on employment and working hours in China. The results show that male employment is not affected by a minimum wage increase, although men ＂s working hours do increase. In contrast, female employment is more likely to be negatively affected by a minimum wage increase, while their working hours remain unchanged. This may lead to women being in a more disadvantaged position in the workforee, and adopting a monthly minimum wage may induce firms to extend men＇s working hours. Therefore, to better protect disadvantaged workers, we suggest that minimum wage regulation should focus on the target group of less-educated women, and that a unified minimum hourly wage needs to be set for both full-time and part-time workers. Meanwhile, the importance of human capital accumulation shouM be addressed in alleviating the negative effects of minimum wage increases.

关键词： difference-in-differences model employment minimum wage working hours

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扩招背景下新增本科院校如何影响城市收入差距？

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高等教育 2024年第3期

作者：金培振刘昕妍王思语

始于1999年的高校扩招加速了中国向人力资源大国的转变，随之兴起的新建本科院校热潮也对城市收入差距产生影响。基于中国278个城市的本科院校数据和夜间灯光数据的双重差分估计发现：(1)高校扩招后拥有公办本科院校的内陆城市收入差距... 详细信息

始于1999年的高校扩招加速了中国向人力资源大国的转变，随之兴起的新建本科院校热潮也对城市收入差距产生影响。基于中国278个城市的本科院校数据和夜间灯光数据的双重差分估计发现：(1)高校扩招后拥有公办本科院校的内陆城市收入差距趋于缩小，并且政策影响具有较长衰减周期。平行趋势检验、安慰剂检验、剔除城市规模因素和控制毕业生跨区就业影响等稳健性检验依然支持该结论。(2)相较公办本科院校，民办本科院校对中国城市收入差距缩小的贡献尚未显现。(3)人力资本积累、职工平均工资提升和技术创新能力增强是新增本科院校抑制收入差距的内在机制。(4)拥有重点本科院校的城市收入差距缩减效应更显著，“双一流”建设衡量的高教资源再配置是调节收入分配的有益政策。上述结论对优化高等教育资源的空间配置具有重要启示，也为实现区域共同富裕的路径选择提供经验依据。

关键词：高校扩招本科院校收入差距双重差分估计 enrollment expansion undergraduate colleges income disparity difference-in-differences model

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国际间市场可达性对制造业技术创新的影响

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产业经济 2024年第5期

作者：胡哲力周剑明顾乃华

中欧班列的开通提高了中国与沿线国家间的市场可达性，大幅降低了国家间的贸易成本，促进了我国经济的外循环，为中国经济的发展注入了新的动力与活力。文章基于中欧班列开通所构成的准自然实验，使用2000-2018年270个地级市面板数据，... 详细信息

中欧班列的开通提高了中国与沿线国家间的市场可达性，大幅降低了国家间的贸易成本，促进了我国经济的外循环，为中国经济的发展注入了新的动力与活力。文章基于中欧班列开通所构成的准自然实验，使用2000-2018年270个地级市面板数据，采用渐进式的双重差分模型，实证检验了国际间市场可达性的提升对中国制造业技术创新的影响。实证检验结果表明：国际间市场可达性的提升促进了制造业技术创新的数量与质量改善；异质性检验发现，国际间市场可达性的提升推动了区位禀赋劣势地区制造业专利数量与质量改善，但是国际间市场可达性的提升仅推动了交通禀赋优势地区制造业专利数量提高，即国际间市场可达性的提升对区位禀赋劣势地区的边际效用更大；国际间市场可达性的提升对大城市的技术创新数量与质量改善的促进作用更为显著。由技术密集度异质性检验结果可知，中欧班列的开通推动了低技术密集度与高技术密集度制造业的技术创新水平提升，但相较于低技术密集度制造业而言，该政策对高技术密集度制造业的技术创新数量提高的促进作用相对较小；作用机制检验发现，中欧班列通过市场竞争效应、资源配置效应以及产业结构效应等渠道推动区域制造业的技术创新水平提升。基于以上结论，文章认为我国应进一步扩大对外开放水平并深化“一带一路”倡议，积极促进我国欠发达地区中欧班列建设以及推动我国制造业由低端向中高端攀升。

关键词：中欧班列 “一带一路”倡议国际间市场可达性制造业技术创新双重差分模型 CR-Express Train The Belt and Road accessibility of international market innovation of manufacture technology difference-in-differences model

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区位导向型产业政策的创新驱动效应

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产业经济 2024年第4期

作者：刘冰冰刘戒骄

制造强国战略背景下的区域示范政策是推进制造业创新的重要举措。以“中国制造2025”国家级示范区政策作为准自然实验，研究区位导向型产业政策对企业创新的驱动效应。利用2011-2020年沪深A股制造业上市公司数据和双重差分模型进行实证... 详细信息

制造强国战略背景下的区域示范政策是推进制造业创新的重要举措。以“中国制造2025”国家级示范区政策作为准自然实验，研究区位导向型产业政策对企业创新的驱动效应。利用2011-2020年沪深A股制造业上市公司数据和双重差分模型进行实证研究得出：示范区政策能够显著提高企业的技术创新质量，并通过降低企业创新活动的融资约束、提高行业竞争水平和增强企业协同创新能力等渠道促进企业技术创新。而且示范区政策对民营企业、十大重点领域支持行业和中部地区企业的技术创新激励效应更为显著。进一步利用城市和企业层面的创新数据，分析示范区政策对入选城市群创新的影响，发现相比其他入选城市，示范区政策并未对城市群创新产生额外的创新激励效果。可能的原因是：示范区政策并未显著提高城市群的制造业集聚水平和创新环境质量，而且政策诱发了企业的非效率投资行为，挤出了企业的创新研发支出。结论对优化示范区政策设计、激励企业技术创新和增强我国制造业竞争实力等方面具有重要意义。

关键词：国家级示范区双重差分模型区位导向型产业政策技术创新城市群创新中国制造2025 national demonstration zone difference-in-differences model location-oriented industrial policies technological innovation urban agglomeration innovation Made in China 2025

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对口支援横向转移支付能够矫正财政失衡吗?

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财政与税务 2024年第2期

作者：孙开牛晓艳张磊

对口支援横向转移支付是具有中国特色的调节同级政府间财政关系的政策工具，在矫正财政失衡方面有突出优势。本文基于2003-2019年西部地区地级城市数据，在对纵向财政失衡和横向财政失衡进行测度的基础上，运用双重差分模型实证检验了... 详细信息

对口支援横向转移支付是具有中国特色的调节同级政府间财政关系的政策工具，在矫正财政失衡方面有突出优势。本文基于2003-2019年西部地区地级城市数据，在对纵向财政失衡和横向财政失衡进行测度的基础上，运用双重差分模型实证检验了对口支援横向转移支付矫正财政失衡的有效性。研究发现：对口支援横向转移支付显著降低了纵向财政失衡；经济欠发达地区在接受对口支援横向转移支付后人均财力水平有所提高，横向财政失衡程度有所缓解。在进行一系列稳健性检验后，这一结论依然成立。异质性分析表明，与经济欠发达地区相比，对口支援横向转移支付在经济相对发达地区的政策效应更强。本文不仅为研究对口支援横向转移支付的功能增加了新证据，也为推动构建中国式横向转移支付制度提供了经验证据。

关键词：对口支援横向转移支付财政失衡双重差分模型 paired-aiding horizontal transfer payment fiscal imbalance difference-in-differences model

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“一带一路”倡议对中国出版物出口的影响

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国际贸易研究 2023年第11期

作者：赵巍王洋

发展出版贸易是中国推进与“一带一路”沿线国家文化交流的重要途径。为了探讨“一带一路”倡议是否有助于中国出版业在政策和资金的扶持下实现对外贸易的新发展，采用双重差分模型研究“一带一路”倡议对中国出版物出口贸易的促进效应... 详细信息

发展出版贸易是中国推进与“一带一路”沿线国家文化交流的重要途径。为了探讨“一带一路”倡议是否有助于中国出版业在政策和资金的扶持下实现对外贸易的新发展，采用双重差分模型研究“一带一路”倡议对中国出版物出口贸易的促进效应和作用机制，并在此基础上从经济发展水平、是否为六大经济走廊沿线国家和文化距离三个方面，分析了“一带一路”倡议对不同国家的异质性影响。研究发现，中国出版物出口贸易整体处于成长阶段，“一带一路”倡议显著促进了中国的出版物出口贸易发展，且该正向效应存在时间上的滞后性；“一带一路”倡议通过优化沿线国家科技发展水平和提高对外直接投资，促进了出版物出口贸易规模的扩大。异质性研究表明，“一带一路”倡议对中低等收入国家、六大经济走廊沿线国家的出版物出口贸易发展具有显著正向影响，且对文化背景相似国家的贸易的促进效应最明显。

关键词： “一带一路”倡议出版物出口贸易双重差分模型异质性 Belt and Road Initiative publication export trade difference-in-differences model heterogeneity

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