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| Differential Game Study of Green Supply Chain Based on Green Technology Innovation and Manufacturer Competition |
| LIU Li，HAN Tongyin，JIN Hao |
| Hebei University of Technology, Tianjin, China) |
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Abstract By introducing the innovation process of green technology, this study constructs a green supply chain composed of a single shared supplier and two manufacturers, and uses a stochastic stopping model to describe the impact of green technology innovation on green R&D investment decisions. Based on the differential game, the green R&D investment decisions and coordination of supply chain are researched. The results show that: a higher probability of success of technological innovation and a higher rate of greenness improvement can motivate enterprises to increase green R&D investment before successful technological innovation, and then improve product greenness. The impact of green technology innovation on manufacturers’ green R&D investment is related to the intensity of green competition. The bidirectional cost-sharing contract can coordinate the supply chain, in which the share ratio of the shared supplier to the manufacturers’ green R&D input cost is negatively correlated with the intensity of green competition, and the sum of the share ratio of the two manufacturers to the shared supplier’ s green R&D input cost is determined.
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Received: 29 December 2021
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