Government subsidy strategy of low carbon supply chain considering retailer's corporate social responsibility
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考虑零售商具有企业社会责任(corporate social responsibility,CSR),建立由政府、制造商与零售商组成的三方博弈模型,对比分析了在无政府补贴、研发补贴、产量补贴以及研发补贴与产量补贴相结合的双重补贴策略 4 种情形下的社会福利、碳减排率、低碳产品需求及环境改善的情况,研究了政府最优补贴策略问题.结果表明:消费者低碳偏好及研发效率的提高会促进环境改善并提高产品减排率、低碳产品需求、企业收益及社会福利水平.随着零售商CSR水平提升,政府会减少补贴力度,然而社会总福利、产品减排率及低碳产品需求并不会降低.4 种补贴策略均有利于提高碳减排率、低碳产品需求和社会福利水平并促进环境改善,从而更好地达成经济、社会与环境目标.制造商更偏好于双重补贴策略,而零售商在自身CSR水平较高时偏好于研发补贴政策,否则,更偏好于双重补贴策略.
Considering that retailers have corporate social responsibility(CSR),a tripartite game model consisting of government,manufacturers,and retailers was established to compare and analyze the social welfare,carbon emission reduction rate,demand for low-carbon products,and environmental improvement under four different subsidy strategies:no government subsidy,R&D subsi-dy,production subsidy,and a dual subsidy which composed of R&D subsidy and production subsidy,the optimal subsidy strategy of the government was studied.The results indicate that the improvement of consumer low-carbon preferences and research and de-velopment efficiency will promote environmental improvement and increase product emission reduction rates,demand for low-carbon products,corporate profits,and social welfare levels.As the CSR level of retailers increases,the government will reduce subsidies,but the overall social welfare,product emission reduction rate and demand for low-carbon products will not decrease.All four subsi-dy strategies are conducive to increasing carbon emission reduction rates,demand for low-carbon products,social welfare levels,and promoting environmental improvement,thereby better achieving economic,social,and environmental goals.Manufacturers pre-fer the government's dual subsidy strategy,while retailers prefer the R&D subsidy policy when their CSR level is high,otherwise,they prefer the dual subsidy strategy.
corporate social responsibilitylow carbon supply chaincarbon subsidygame model
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