Research On Supply Chain Optimization And Coordination Of Fresh Agricultural Products Based On Blockchain Technology

The freshness information is vendor private,and the active information concealment caused by the individual rationality of the node enterprises of the supply chain will lead to the freshness information asymmetry of the supply chain of fresh agricultural products,which will seriously lose the interests of downstream enterprises and threaten the stability of the supply chain system.It is considered to invest in blockchain technology to solve the freshness information asymmetry of the secondary supply chain of fresh agricultural products.This study is helpful to provide technical investment decisions for each member of the supply chain and provides solutions to the specific information asymmetry in the supply chain of fresh agricultural products.Specific studies include:First,on the basis of considering the randomness of agricultural product demand,a market demand function that is jointly affected by freshness and the input level of blockchain technology is constructed,and the centralized and decentralized decisions before and after investment in blockchain technology are respectively modeled and analyzed,and the centralized decisions and decentralized decisions under the two situations are compared.The changes of retailers’ order quantity and supply chain income before and after the technology input are analyzed,and the cost investment threshold of blockchain technology under centralized decision making and decentralized decision making is sought.Then,a revenue sharing contract model,a cost sharing contract model and a revenue sharing-cost sharing combined contract model are constructed to coordinate and optimize the fresh agricultural product supply chain system that invests in blockchain technology under decentralized decision-making.Finally,by assigning the model parameters,the derived model was verified,and the correctness of the model conclusions was proved by combining with the analysis of numerical examples.The research shows that: under the condition of centralized decision-making,investment in blockchain technology can improve the performance of fresh supply chain to a certain extent;Whether the freshness information is symmetrical or not does not affect the wholesale price set.The optimal wholesale price before and after investment in blockchain technology is the same.In addition,the reduction of unit cost of blockchain is more conducive to the improvement of supply chain performance.The application of blockchain technology can not only enable retailers to grasp accurate freshness information of agricultural products and shorten transaction time,but also,Consumers can also obtain more complete product information with the help of blockchain technology,and consumer trust and satisfaction are improved,thus stimulating demand and obtaining benefits.For nodal enterprises in the downstream of the supply chain,in the early stage of blockchain technology with high unit cost,they can encourage suppliers to jointly promote and apply blockchain technology through certain subsidies and other means.Both the revenue sharing contract and the cost sharing contract are invalid.The combination contract based on revenue sharing and cost sharing can realize the Pareto optimality of the supply chain system and help promote the better implementation of blockchain technology in the fresh agricultural product chain system.