Construction And Comparison Of The Remanufacturing Closed-loop Supply Chain For Waste Electronic Under Different Recycling Models

With the rapid development of science and technology, and remarkable improvement of living standards, the consumption concept of people are changing day by day. In this condition,people ’s demand for electronic products is becoming more and more diversified, personalized and fashionalized, thus the life cycle of electronic products is getting shorter and shorter and the quantity of waster electronic products are arising, leading the ecological civilization construction facing an unprecedented challenge. Therefore, the recycling of waste electronic products has been widely concerned by politicians, industrialists and scholars. Among them, the comparative research and practice study of recycling mode of recycling and remanufacturing of waste electronic products is one of the hottest topics of social concern.First, it summarizes the domestic and foreign literature review of recycling of waste electronic products manufacturing, remanufacturing closed-loop supply chain pricing and remanufacturing closed-loop supply chain recovery mode comparison. Second, it difines some relevant concepts and introduces the theory of circular economy and game theory. Third, three different remanufacturing closed-loop supply chain models are constructed in uncertain conditions, they are the manufacturer and retailer of common recovery(MR) model, the manufacturer and the third party recyclers(MTP) model, the retailer and third party recyclers joint recycling of waste electronic products(RTP) model. By solving the optimal solutions, it further analyzes how the competition coefficient of double recycling channel in three models affect the optimal solutions of the recycling quantity, recycling pricing and the profit. Finally, it compares the optimal solutions of three different waste electronic products remanufacturing closed-loop supply chain models in double channel recycling mode under uncertain conditions when the competition coefficient is fixed and unfixed respectively.The innovation of this paper is that it set the recovery quantity as a function of two competing recovery prices and compares the optimal solutions of three different remanufacturing closed-loop supply chain models when considering the coexist of uncertain market demand and double recovery channels.By research,the main conclusions of this paper are as follow:(1)With the increase of competition coefficient of double recovery channels, the optimal solutions of recovery price have same changing tendency in three models. The recyclers’ recovery prices, which enter into the recycling market earlier, are same and unchanged. The recyclers’ recovery prices, which enter into the recycling market much later, are decreasing and they are equal under MR model and MTP model, but higher than RTP model. Manufacturers’ repurchase prices are decreasing and highest under RTP model.(2)With the increase of competition coefficient of double recovery channels, the optimal solutions of recovery quantity have same changing tendency in three models. The recyclers’ recovery quantity, which enter into the recycling market earlier, are decreasing and they are equal under MR model and MTP model, but smaller than RTP model. The recyclers’ recovery quantity, which enter into the recycling market much later, are increasing and they are equal under MR model and MTP model, but bigger than RTP model. The total recovery quantity of closed-loop supply chain system remains unchanged.(3)With the increase of competition coefficient of double recovery channels, the optimal solutions of recovery profit are changing differently in three models. The manufacturers’ profits are increasing in three models, but the profit in RTP model is lower than in MR model and MTP model. The retailers’ profit is decreasing in MR model and RTP model and highest in RTP model, but unchanged in MTP model. The profits of third party recyclers are decreasing in MTP model and RTP model and highest in MTP model. The total profits of closed-loop supply chain system are increasing in three models and highest in RTP model.In summary of(1)-(3),compared with the conclusion when the competition coefficient of the double recovery channel is fixed. It indicates that the change of competition coefficient doesn’t affect the environmental benefits of closed-loop supply chain. They are equal and remain unchanged in three models. Therefore, from the perspective of maximizing economic benefits, the government should advocate the RTP model to guide manufacturers to maintain a moderate level of recycling competition between retailers and third parties; retailers will also be happy to accept the RTP model.