Coal dependence and inefficient decentralized heating have significantly increased China’s energy consumption for winter heating,increasing air pollution and exacerbating the greenhouse effect.In 2017,China implement...Coal dependence and inefficient decentralized heating have significantly increased China’s energy consumption for winter heating,increasing air pollution and exacerbating the greenhouse effect.In 2017,China implemented the Pilot Policy on Clean Winter Heating in Northern China,aiming to achieve high central heating coverage and cleaner energy consumption.Studying the effects of this policy can help promote its implementation and serve as a reference for effective adjustment of the contents in the future.However,few studies have investigated this policy and its carbon reduction effects,and most focus on the provincial or city levels.Therefore,this paper considers the policy’s influence on air pollution and carbon emissions at the county level to provide a precise and comprehensive assessment of the policy effects.We use panel data from 1290 counties in 15 provinces in Northern China from 2014 to 2021,applying a multiperiod difference-in-differences model to quantify the impact of the policy on carbon emissions and air quality in the pilot area.We then conduct a series of tests to demonstrate the robustness of the results and analyze the mechanisms of the policy effects from two perspectives,namely,central heating and natural gas use,through a mediating effect model.Finally,we examine the heterogeneity of policy effects between counties based on geographic location and per capita income levels of rural residents through a moderating effect model.The results reveal that the policy significantly reduces air pollution and carbon emissions in the pilot area by increasing the central heating area and natural gas use.Compared with the central and western regions in the north and areas with low-income rural residents,the policy effects in the eastern regions in the north and areas with high-income rural residents are more pronounced.展开更多
As urbanization accelerates globally,air pollution-particularly PM_(2.5)-is becoming an increasingly significant threat,not only to public health but also the environment.In-depth research on the impact of China’s Ze...As urbanization accelerates globally,air pollution-particularly PM_(2.5)-is becoming an increasingly significant threat,not only to public health but also the environment.In-depth research on the impact of China’s Zero Waste City pilot policy on PM_(2.5)concentration offers valuable insights into the policy’s effectiveness and provides a potential model for environmental governance worldwide.This study employs panel data from 293 Chinese cities from 2014 to 2022 to systematically analyze the impact of the Zero-Waste City policy on PM_(2.5)concentration using a difference-in-differences model.The findings indicate that the policy not only directly reduces PM_(2.5)concentration but also indirectly curbs PM_(2.5)emissions by enhancing green innovation and green economic efficiency.Moreover,the policy’s effects are found to be positively moderated by urban energy dependence and digital financial inclusion,while they are negatively moderated by the government debt ratio.Based on these findings,this study suggests that cities should actively develop their digital economy,reduce government debt,promote green innovation,and improve green economic efficiency,as doing so will enhance their implementation of environmental policies and promote sustainable urban development.展开更多
As a crucial environmental reform system to realize“carbon peaking”and“carbon neutrality”,the pilot policy of low-carbon cities(LCCs)puts pressure and challenges on high-carbon emitting enterprises(HCEEs)while pro...As a crucial environmental reform system to realize“carbon peaking”and“carbon neutrality”,the pilot policy of low-carbon cities(LCCs)puts pressure and challenges on high-carbon emitting enterprises(HCEEs)while providing opportunities for these firms to take the path of independent transformation.Employing the data of Chinese listed enterprises from 2006 to 2016 and adopting a difference-in-differences(DID)model,we evaluated the impact of LCC construction on the upgrading of HCEEs and its mechanisms.The results indicate that LCC construction enhances the upgrading of HCEEs in the pilot cities.The conclusions remain stable after a series of robustness tests.The mechanism analysis reveals that LCC construction triggers the upgrading of HCEEs by promoting resource allocation efficiency,R&D investment,and green technology innovation.The heterogeneity results indicate that this positive effect is more pronounced for HCEEs in regions with more stringent environmental law enforcement.This study also observes that the upgrading impact is more promi‐nent for state-owned enterprises,enterprises with higher bargaining power,and enterprises whose managers have a long-term vision.The above results provide directions for upgrading HCEEs and replicable evidence for cities in developing economies to fulfill the win-win target of environmental protection and economic transfor‐mation.展开更多
The innovative city pilot policy(ICPP)is an essential manifestation of China’s construction of an innovative and green-driven development country.We incorporated urban green total factor productivity(GTFP)growth into...The innovative city pilot policy(ICPP)is an essential manifestation of China’s construction of an innovative and green-driven development country.We incorporated urban green total factor productivity(GTFP)growth into the evaluation of ICPP.Based on the panel data of 223 cities in China from 2005 to 2020,we used the difference-in-differences model to empirically assess the influence and mechanism of the ICPP on urban GTFP growth.The main results show that(i)The ICPP has maintained an effectively fluctuating promotion on urban GTFP growth,mainly manifested in the urban green technological progress improvement.(ii)The ICPP has urban heterogeneity in promoting GTFP growth in pilot cities,mainly affecting key cities such as provincial capitals.(iii)The interaction between the agglomeration of producer services and the ICPP inhibits GTFP growth in pilot cities.展开更多
This research analyzes the effects of various environmental regulatory strategies on ecological technology diffusion efficiency(ETDE)across 30 Chinese provinces.It explores the roles of market type(MER),command contro...This research analyzes the effects of various environmental regulatory strategies on ecological technology diffusion efficiency(ETDE)across 30 Chinese provinces.It explores the roles of market type(MER),command control type(CER),and environmental protection type(EER)environmental regulations,alongside the moderating influences of industrial agglomeration(Agg),low-carbon pilot policy(Lcp),fiscal decentralization(FD),and official corruption(Cor)on ETDE.Results show that EER positively affects ETDE,whereas MER and CER tend to inhibit its improvement.The study underscores the complex interplay between these regulations and the significant impact of Agg and Lcp in enhancing ER's effectiveness.Additionally,it highlights the critical mediating roles of FD and Cor,suggesting that the quality of government operations profoundly influences the success of environmental regulations in promoting ecological technology diffusion.These findings emphasize the necessity for tailored environmental regulation strategies that take into account regional economic,population,and digital economy differences,to effectively foster ecological technology diffusion and support China's green development goals.The study also proposes actionable insights for policymakers.展开更多
The paper discusses the effects of the digital economy on highquality urban development and its mechanism.Theoretically,the digital economy can empower high-quality development by boosting entrepreneurial vitality.Emp...The paper discusses the effects of the digital economy on highquality urban development and its mechanism.Theoretically,the digital economy can empower high-quality development by boosting entrepreneurial vitality.Empirically,the paper measures the overall level of the digital economy and high-quality development of the 222 Chinese cities at and above the prefecture level during 2011-2016,depicts the entrepreneurial vitality of the cities with the microscopic data of the business registration information and makes quantitative analysis on this basis.The result shows:Digital economy has remarkably improved high-quality development and this conclusion still exists after the robustness test selecting historical data as the instrumental variables and the Broadband China pilot policy as the quasi experiment.The analysis of the mechanism of action indicates that encouraging public entrepreneurship is an important mechanism of the digital economy to release the dividend of highquality development.Finally,thanks to the threshold model and the spatial model,it is found that the positive effect of the digital economy has the characteristics of nonlinear increment and spatial spillover of the“marginal effects.”The research of the paper stimulates the reasons for high-quality development and the understanding of the effects,mechanisms and regional differences of high-quality development empowered by the digital economy.展开更多
基金supported by the National Social Science Fund of China[Grant No.21BGL181]to Yan Chen.
文摘Coal dependence and inefficient decentralized heating have significantly increased China’s energy consumption for winter heating,increasing air pollution and exacerbating the greenhouse effect.In 2017,China implemented the Pilot Policy on Clean Winter Heating in Northern China,aiming to achieve high central heating coverage and cleaner energy consumption.Studying the effects of this policy can help promote its implementation and serve as a reference for effective adjustment of the contents in the future.However,few studies have investigated this policy and its carbon reduction effects,and most focus on the provincial or city levels.Therefore,this paper considers the policy’s influence on air pollution and carbon emissions at the county level to provide a precise and comprehensive assessment of the policy effects.We use panel data from 1290 counties in 15 provinces in Northern China from 2014 to 2021,applying a multiperiod difference-in-differences model to quantify the impact of the policy on carbon emissions and air quality in the pilot area.We then conduct a series of tests to demonstrate the robustness of the results and analyze the mechanisms of the policy effects from two perspectives,namely,central heating and natural gas use,through a mediating effect model.Finally,we examine the heterogeneity of policy effects between counties based on geographic location and per capita income levels of rural residents through a moderating effect model.The results reveal that the policy significantly reduces air pollution and carbon emissions in the pilot area by increasing the central heating area and natural gas use.Compared with the central and western regions in the north and areas with low-income rural residents,the policy effects in the eastern regions in the north and areas with high-income rural residents are more pronounced.
基金The authors declare that fund support was received from National Social Science Fund of China[Grant No.23BJL010].
文摘As urbanization accelerates globally,air pollution-particularly PM_(2.5)-is becoming an increasingly significant threat,not only to public health but also the environment.In-depth research on the impact of China’s Zero Waste City pilot policy on PM_(2.5)concentration offers valuable insights into the policy’s effectiveness and provides a potential model for environmental governance worldwide.This study employs panel data from 293 Chinese cities from 2014 to 2022 to systematically analyze the impact of the Zero-Waste City policy on PM_(2.5)concentration using a difference-in-differences model.The findings indicate that the policy not only directly reduces PM_(2.5)concentration but also indirectly curbs PM_(2.5)emissions by enhancing green innovation and green economic efficiency.Moreover,the policy’s effects are found to be positively moderated by urban energy dependence and digital financial inclusion,while they are negatively moderated by the government debt ratio.Based on these findings,this study suggests that cities should actively develop their digital economy,reduce government debt,promote green innovation,and improve green economic efficiency,as doing so will enhance their implementation of environmental policies and promote sustainable urban development.
基金This paper was supported by the Fundamental Research Funds for the Central Universities[Grant number:JBK2202018].
文摘As a crucial environmental reform system to realize“carbon peaking”and“carbon neutrality”,the pilot policy of low-carbon cities(LCCs)puts pressure and challenges on high-carbon emitting enterprises(HCEEs)while providing opportunities for these firms to take the path of independent transformation.Employing the data of Chinese listed enterprises from 2006 to 2016 and adopting a difference-in-differences(DID)model,we evaluated the impact of LCC construction on the upgrading of HCEEs and its mechanisms.The results indicate that LCC construction enhances the upgrading of HCEEs in the pilot cities.The conclusions remain stable after a series of robustness tests.The mechanism analysis reveals that LCC construction triggers the upgrading of HCEEs by promoting resource allocation efficiency,R&D investment,and green technology innovation.The heterogeneity results indicate that this positive effect is more pronounced for HCEEs in regions with more stringent environmental law enforcement.This study also observes that the upgrading impact is more promi‐nent for state-owned enterprises,enterprises with higher bargaining power,and enterprises whose managers have a long-term vision.The above results provide directions for upgrading HCEEs and replicable evidence for cities in developing economies to fulfill the win-win target of environmental protection and economic transfor‐mation.
基金Study on the Path of Promoting the Integration of“Three Societies”and Help Rural Revitalization in Chongqing,Chongqing Social Science Planning Office[Grant number.2019WT13]Study on the Cultivation of Language Service Talents Under the Background of Belt and Road Initiative,Chongqing Social Science Planning Office[Grant number.2021WYZX12].
文摘The innovative city pilot policy(ICPP)is an essential manifestation of China’s construction of an innovative and green-driven development country.We incorporated urban green total factor productivity(GTFP)growth into the evaluation of ICPP.Based on the panel data of 223 cities in China from 2005 to 2020,we used the difference-in-differences model to empirically assess the influence and mechanism of the ICPP on urban GTFP growth.The main results show that(i)The ICPP has maintained an effectively fluctuating promotion on urban GTFP growth,mainly manifested in the urban green technological progress improvement.(ii)The ICPP has urban heterogeneity in promoting GTFP growth in pilot cities,mainly affecting key cities such as provincial capitals.(iii)The interaction between the agglomeration of producer services and the ICPP inhibits GTFP growth in pilot cities.
基金supported by the Yunnan University Research Foundation Program(Grant No.KC-23233830).
文摘This research analyzes the effects of various environmental regulatory strategies on ecological technology diffusion efficiency(ETDE)across 30 Chinese provinces.It explores the roles of market type(MER),command control type(CER),and environmental protection type(EER)environmental regulations,alongside the moderating influences of industrial agglomeration(Agg),low-carbon pilot policy(Lcp),fiscal decentralization(FD),and official corruption(Cor)on ETDE.Results show that EER positively affects ETDE,whereas MER and CER tend to inhibit its improvement.The study underscores the complex interplay between these regulations and the significant impact of Agg and Lcp in enhancing ER's effectiveness.Additionally,it highlights the critical mediating roles of FD and Cor,suggesting that the quality of government operations profoundly influences the success of environmental regulations in promoting ecological technology diffusion.These findings emphasize the necessity for tailored environmental regulation strategies that take into account regional economic,population,and digital economy differences,to effectively foster ecological technology diffusion and support China's green development goals.The study also proposes actionable insights for policymakers.
基金the National Natural Science Foundation of China for the Youth(71903115)the Social Science Foundation of Bejing(No.19JDYJB026).
文摘The paper discusses the effects of the digital economy on highquality urban development and its mechanism.Theoretically,the digital economy can empower high-quality development by boosting entrepreneurial vitality.Empirically,the paper measures the overall level of the digital economy and high-quality development of the 222 Chinese cities at and above the prefecture level during 2011-2016,depicts the entrepreneurial vitality of the cities with the microscopic data of the business registration information and makes quantitative analysis on this basis.The result shows:Digital economy has remarkably improved high-quality development and this conclusion still exists after the robustness test selecting historical data as the instrumental variables and the Broadband China pilot policy as the quasi experiment.The analysis of the mechanism of action indicates that encouraging public entrepreneurship is an important mechanism of the digital economy to release the dividend of highquality development.Finally,thanks to the threshold model and the spatial model,it is found that the positive effect of the digital economy has the characteristics of nonlinear increment and spatial spillover of the“marginal effects.”The research of the paper stimulates the reasons for high-quality development and the understanding of the effects,mechanisms and regional differences of high-quality development empowered by the digital economy.
