Modeling and simulation of the tripartite game theory for e-commerce agricultural product quality and safety supervision under the traffic reward and punishment mechanism
Aiming at the problem that the traditional quality and safety supervision method is difficult to work in the e-commerce transaction of agricultural products, this study aims to put forward effective solutions from the perspective of traffic rewards and punishments. Based on the analysis of the behavior choices of subjects involved in the traffic reward and punishment mechanism, a three-party game matrix of platform, merchant and consumer is constructed. The evolutionary game method is used to explore the evolution path and system equilibrium of e-commerce agricultural product quality and safety supervision, and the numerical simulation and parameter sensitivity simulation are conducted. The research conclusions are as follows: Appropriately increasing the intensity of traffic rewards and punishments can help the system evolve towards an ideal state of effective governance; The initial behavior of the three parties has different impacts on the evolution of the system, where the behavior of the platform and consumers only affects the speed of system evolution, and the probability of merchant behavior can lead to different evolutionary outcomes; The increase in illegal profits of merchants will slow down the process of the system evolving to an ideal state, and excessively high illegal profits will drive merchants to shift their strategic choices from self-discipline to non self-discipline. Reducing the cost of consumer evaluations is beneficial for the system to evolve towards an ideal state, while the excessive incentives from platforms for consumer evaluations lead to negative regulation and lack of self-discipline among merchants, resulting in non-ideal outcomes.
当然,在现实生活中,政府的监管、社会媒体的报道等也会影响电商农产品质量安全,未来的研究可以将更多的利益主体纳入考虑范围。此外,在各个利益主体交互过程中,不同特征主体选择各策略的可能会有差异,可以采取智能主体建模方法(Agent based modeling,ABM)将异质商家和异质消费者的交互在系统中模拟出来,探讨三方长期重复博弈下系统的演变结果。
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