Green Agricultural Product Supply Chain Decision Considering Government Subsidies under Blockchain Technology
In the context of blockchain,considering that consumers have green preferences,a three-level green agricultural supply chain consisting of farmers,logistics service providers and supermarkets was constructed,and a Stackberg game model was established.Through theoretical deduction and numerical simulation,the subsidy effect of different subsidy strategies with the same government expenditure under the application of blockchain technology was compared and analyzed.The results show that:blockchain technology can reduce the period cost,but the period cost impact factor is negatively affecting greenness and the prof-its of each member;The greenness and the profit of each member of the supply chain are taken as the measurement criteria of government subsidy strategy,and the corresponding best strategies are subsidy farmer strategy and subsidy supermarket strategy respectively.The changes of subsidy ratio,green sensitivity coefficient and period cost impact factor do not affect the order of product greenness and the profits of each member of the supply chain under different subsidy methods,that is,if greenness is taken as the standard,the subsidy strategy of farmers is always the best,and if profit of each member of the supply chain is taken as the standard,the strategy of subsidizing supermarkets is always the best.
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