Research On Remanufacturing Decisions Considering Differences In Recycling Quality

In recent years,with the rapid development of global economy and technology,it has accelerated the speed of people’s renewal of things.Due to the low initial utilization rate and low re-utilization rate of resources,it has caused the waste of resources and increased the environmental pressure,and there is still potential for re-exploitation in most of the waste products.Researches and empirical studies demonstrate that recycling and remanufacturing can improve resource utilization efficiency,reduce environmental pollution,save costs,improve economic performance of enterprises and environmental benefits,which is of great help to solve environmental and resource problems.Among them,the quality of old products determines the recycling price and remanufacturing cost to a certain extent,which is one of the main factors affecting the recycling and remanufacturing of enterprises.This thesis investigates the remanufacturing decision-making problem based on the existence of differences in the quality of recycled products,and this thesis consists of two parts.In the first part,assuming that there is no difference between new products and remanufactured products,and introducing carbon tax constraint,the author compares and analyzes the difference of remanufacturing decision and the change of profit of supply chain members with and without carbon tax constraint;in the second part,assuming that there is difference between new products and remanufactured products,the author establishes single-cycle model and two-cycle model to analyze the influencing factors of remanufacturing decision.In the first part(Chapter 3),assuming the difference in the quality of recycled products,a closed-loop supply chain model consisting of a single manufacturer,a single retailer and a consumer is established under the assumption that there is no difference between the new and remanufactured products,and a carbon tax mechanism is introduced to construct a no carbon tax constraint model and a carbon tax constraint model,and then game theory is applied to find the optimal solution of the model.By analyzing the results,the author discovers that the recycling rate,the manufacturer’s maximum recycling price and the maximum cost savings of remanufacturing are all favorable factors for the decision of the supply chain members.However,the maximum recycling price of the retailer and the increase of the effort coefficient will bring negative benefits to both supply chain members.When there is a carbon tax constraint,the carbon tax can only incentivize manufacturers and retailers to recycle and remanufacture when the effort factor is low,and it is easily acknowledged that manufacturers can reduce carbon emissions through remanufacturing,thus reducing the cost of carbon tax.In the second part(Chapter 4),a manufacturer-only remanufacturing decision model is constructed by considering the differences in recycled product quality,assuming that there are differences between new and remanufactured products,and adding consumer sensitivity to differences in old product quality to consumer purchase intentions for remanufactured products,and discussing it in a single-cycle model with no recycling restrictions and a two-cycle model with recycling restrictions.After solving for the optimum,the author finds that consumers’ acceptance of remanufactured products,cost savings,and an increase in the consumer sensitivity for old product quality are beneficial to the manufacturer’s decision,while an increase in the recycling effort coefficient imposes excessive costs on the manufacturer and reduces the benefits.In the case of recycling constraints,higher recycling rates can lead to higher sales of remanufactured products and higher profits with lower production costs.