为研究政府规制对双责任双渠道闭环供应链的影响问题,构建了由政府、制造商、分销商以及回收处理商组成的三阶段博弈决策模型,通过分析“一征一补一减”政策下利益主体的最优决策和收益发现,渠道间的竞争导致“一征”对线上渠道的影响更大,“一补”对第三方回收的影响更大;销售环节产品可拆解水平存在一个阈值,渠道竞争导致其对两销售渠道定价的影响不同;社会福利是政府规制的倒U型凹函数,“一征一补”政策存在最优规制水平,对产品回收具有积极作用;“一减”政策下政府对制造商产品设计存在一个预期环境要求,产品设计达到政府预期时,征税力度降低,从而引导制造商承担产品设计责任.%The government holds manufactures responsible for product recovery and product design.To research the impact of government regulation on operation of closed-loop supply chain with dual responsibilities and dual channels,a three stage game model which composed of government,manufacturer,retailer and recycle was constructed.Through analyzing the optimal decision and profit of stakeholders under government regulation,the results showed that:levy had a greater effect on the online channel than the offline channel caused by channel competition,and subsidy had a greater effect on the recycling of third-party;a threshold value of the level of product disassembly under sales section was existed,which had a different effect on the pricing of two sale channels;the social welfare was an inverted U-shaped concave function of government regulation,and there was an optimal regulation level existed in levy and subsidy which played a positive role on product recycling;government had an expected environment requirement for product design of manufacturer under the policy of "a subtraction",if product design met the requirements,government would reduce levy and guide the manufacturers responsible for product design.
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