A simple status quo that ensures participation (with application to efficient bargaining)

• 成果类型: Article
• 署名作者: Segal, Ilya; Whinston, Michael D.
• 署名单位: Stanford University; Northwestern University
• 刊物名称: THEORETICAL ECONOMICS
• ISSN/ISSBN: 1555-7561
• DOI: 10.3982/TE591
• 发表日期: 2011-01-01
• 页码: 109-125
• 关键词: Efficient property rights; asymmetric information bargaining; transaction costs

摘要

We consider Bayesian incentive-compatible mechanisms with independent types and either private values or interdependent values that satisfy a form of congruence. We show that in these settings, interim participation constraints are satisfied when the status quo is the randomized allocation that has the same distribution as the equilibrium allocation in the mechanism. Moreover, when utilities are convex in the allocation, we can instead satisfy participation constraints with the deterministic status quo equal to the expected equilibrium allocation in the mechanism. For quasilinear settings, these observations imply the possibility of efficient bargaining when the status quo specifies the expected efficient decision provided that the total surplus is convex in the decision.