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针对消费者对可追溯产品认知和企业实施质量追溯体系动力均不足的问题,建立数学模型分析了当消费者对产品质量风险认知不确定时,垄断型企业未实施与实施质量追溯体系的生产行为决策,包括产品价格,企业预期利润,比较了不同情况下消费者预期效用和社会预期福利,并进行了数值检验.得出垄断型企业在追溯成本满足相应条件时才会实施质量追溯体系,以及何种情况下企业预期利润,消费者预期效用和社会预期福利更高等主要结论和建议.
In view of consumers’ lack of cognition of traceable products and enterprises’ lack of motivation to implement the quality tracing system, a mathematical model was established to analyze that when monopolistic enterprises did not implement and implement quality tracing system when consumers’ perception of product quality risk was uncertain The decision-making of production behavior, including the price of products and expected profit of enterprises, compares the expected utility of consumers with the expected welfare of society in different situations and conducts numerical tests. It concludes that the monopolistic enterprises will implement the quality traceability system only when the retrospective costs meet the corresponding conditions , And the main conclusions and recommendations such as the expected profits of enterprises, the expected utility of consumers and the expected welfare of society.