论逐步机制中诚实报告的主导性
On the Dominance of Truth-Telling in Gradual Mechanisms
AI总结:
研究在逐步机制中诚实报告何时是占优策略,通过信息集划分的“照明”变换和单一反应无懈条件进行刻画,并应用于二价拍卖和顶级交易循环算法。
摘要:
近期文献强调了通过动态博弈形式实施社会规则的优势。我们刻画了在实施策略无懈可击的社会规则的逐步机制中,诚实报告何时仍然是占优策略,其中代理人逐步揭示自己的私人信息,同时在此过程中获取关于他人的信息。我们的第一个刻画依赖于对逐步机制的一种基本变换——称为“照明”——的激励保持性,该变换对信息集进行划分。第二个刻画依赖于单一反应无懈条件。我们通过应用于二价拍卖和顶级交易循环算法展示了两种刻画的有用性。
英文摘要:
Recent literature highlights the advantages of implementing social rules via dynamic game forms. We characterize when truth-telling remains a dominant strategy in gradual mechanisms implementing strategy-proof social rules, where agents gradually reveal their private information while acquiring information about others in the process. Our first characterization hinges on the incentive-preservation of a basic transformation on gradual mechanisms called illuminating that partitions information sets. The second relies on a single reaction-proofness condition. We demonstrate the usefulness of both characterizations through applications to second-price auctions and the top-trading cycles algorithm.
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