食品供应链中企业与农户短期合作交易契约设计

依据食品供应链中企业与农户间的交易特性，在不完全契约理论框架下，建立了双方承诺不再进行协商的短期合作交易契约设计理论模型。研究结论表明，企业的试验代理人地位是保证农户在第一阶段诚实宣告其类型，从而保证双方专用性投资为最优水平的关键，子博弈精炼纳什均衡的主要限制为，企业支付函数必须为单调函数条件才不会说谎。

The Design of Incomplete Transaction Contract between Meatpacking Enterprises & Farmers in the Food Supply Chain

Based on the transaction characteristics between the meatpacking enterprise and farmer in the food supply chain and the incomplete contract theory, the paper constitutes the short-term cooperate transaction contraction model with the hypothesis that the both parties promise not to renegotiate. The conclusions show that the status of enterprises as test-agents is crucial to ensure the farmer to declare his type honestly in order to guarantee the special investment of both the parties optimized, and the limitation of the sub-game refined Nash equilibrium is that the payment function of enterprise must be a monotonous one so that the enterprise can tell the truth.