The Ex Ante Incentive Compatible Core in the Absence of Wealth Effects

In a differential information economy with quasi–linear utilities, monetary transfers facilitate the fulfillment of incentive compatibility constraints: the associated ex ante core is generically nonempty. However, we exhibit a well–behaved exchange economy in which this core is empty, even if goods are allocated through random mechanisms.     

延期支付条件下的供应链信用风险声誉激励机制

针对供应链采用延期支付契约后由于付款时间和交货时间不同而产生的信用风险，从供应商的角度，分三种情况（零售商还款时间小于供应商所给予的延期支付期限、零售商的还款时间介于延期支付期限和供应商所能忍受的最大支付时间之间、零售商的还款时间大于供应商所能忍受的最大支付时间）进行讨论，研究了供应链信用风险的声誉激励机制。研究结果表明:提高供应商对零售商声誉的认可程度以及提高贴现因子，可以有效地激励零售商完成还款。