Firms in China within the same industry but with different ownership and size have different production functions and face different emission regulations and financial conditions,thus can give very different responses...Firms in China within the same industry but with different ownership and size have different production functions and face different emission regulations and financial conditions,thus can give very different responses to environmental policies.This fact has been largely ignored in most of the low-carbon development related literature.Using an augmented Chinese input–output table in which information about firm size(large-and small and medium-sized firms)and ownership(state-,foreign-,and private-owned firms)are explicitly reported,a dynamic computable general equilibrium model is developed in this study to analyze the impact of alternative low-carbon policy designs with different regulatory coverage and financial equalization on heterogeneous firms.Our simulation results show that,with the fully balanced regulation coverage and equalized financial system for heterogeneous firms,the total green investment accounts for 4%of GDP in 2030 for fulfilling China's commitment to reduce carbon emissions,which is the lowest among the various scenarios;about one-third of this investment is made by small and private firms;at the same time,green investment efficiency will be the highest,about 84%higher than that of the business-as-usual level.Therefore,a market-oriented and new technology-driven arrangement and mechanism for sharing emission reduction burden and allocating green investment across heterogeneous firms,especially to small and medium-sized firms,is crucial for China to achieve a more ambitious emission target in the long run.展开更多
文摘为了筛选适宜甘孜州高寒山区道孚县种植的最适青贮玉米品种和栽培密度,本研究引进5个青贮玉米品种,包括玉草3号、雅玉116号、雅玉158号、曲辰9号、仲玉1218号,通过开展调查生育期以及农艺性状和产量比较试验,选择出在当地最适宜种植的玉米品种及对应的栽培密度.结果表明,玉草3号产量高于其他试验青贮玉米品种,适宜在道孚县推广种植,该品种最适种植密度为0.35 m×0.65 m.
基金This research is partly supported by IDE-JETRO's project“Tracing Greenhouse Gas Emissions and Determining Responsibility in Global Value Chains”(2019e2020)Japan's Grants-in-Aid for Scientific Research(KAKEN)“China's Belt and Road Initiative and its Impact on the Earth Environment”(#18K01608)。
文摘Firms in China within the same industry but with different ownership and size have different production functions and face different emission regulations and financial conditions,thus can give very different responses to environmental policies.This fact has been largely ignored in most of the low-carbon development related literature.Using an augmented Chinese input–output table in which information about firm size(large-and small and medium-sized firms)and ownership(state-,foreign-,and private-owned firms)are explicitly reported,a dynamic computable general equilibrium model is developed in this study to analyze the impact of alternative low-carbon policy designs with different regulatory coverage and financial equalization on heterogeneous firms.Our simulation results show that,with the fully balanced regulation coverage and equalized financial system for heterogeneous firms,the total green investment accounts for 4%of GDP in 2030 for fulfilling China's commitment to reduce carbon emissions,which is the lowest among the various scenarios;about one-third of this investment is made by small and private firms;at the same time,green investment efficiency will be the highest,about 84%higher than that of the business-as-usual level.Therefore,a market-oriented and new technology-driven arrangement and mechanism for sharing emission reduction burden and allocating green investment across heterogeneous firms,especially to small and medium-sized firms,is crucial for China to achieve a more ambitious emission target in the long run.
