In a closed-loop supply chain constituted by a manufacturer and a retailer,this paper studies the pricing strategies and coordination mechanism of supply chain when the remanufacturing cost is random caused by the proportion of reusability parts in design stage and quality of recycling product.In the decentralized and centralized decision-making modes,the optimal pricing of participants in supply chain are obtained.The impact of the proportion of reusability parts and quality of recycling product on the optimal pricing and the distribution of profits is analyzed.Based on the absolute deviation...