针对期望效用理论和前景理论对禀赋穹顶效用的忽视，提出了禀赋相关的心理承受能力假说，并以企业共享信息价值指数作为决策变量，构建了供应链信息共享的短板优化模型。根据该模型，可以通过不断提升短板企业的信息共享价值指数，达到最终实现整个供应链的信息共享。研究显示，供应链上企业信息共享价值指数与信息共享成功率之间存在正向关系，而与心理脆弱度成本弹性、社会风险水平、信息共享成本之间存在负向关系。本文的主要理论贡献一是将收入成本比引入到投资价值的制约因素集之中，强调投资收益率或者利润率的决定性作用；二是引入心理承受临界点概念，指出投资行为在该临界点的两侧表现出截然不同的特征。这一结果可以用于设计推进供应链信息共享的政策途径。
Against expected utility theory and prospect theory's neglect of endowment, psychological endurance hypothesis is proposed, and a short slab optimizing model of information sharing in supply chain that taking firm's information-sharing value index as the decisionvariable is built in this paper. The model implies that the information sharing in the whole supply chain would be achieved eventually by boosting the information-sharing value index of the last firm in the chain. The results also showed that the firm's information sharing-value index has a positive relationship with the information sharing success rate,but a negative relationship with the cost elasticity of psychological vulnerability, the social risk level and the information sharing cost. The contribution of this paper is to draw the farebox recovery ratio into the constraint factors of the investment value, emphasizing the decisive role of the investment return or profit margin; and to introduce the concept of psychological endurance threshold and point out that the investment behavior has different performance between under and above the threshold.These findings could be used to design the policiesfor promoting the information sharing in supply chain.
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