On the Dominance of Truth-Telling in Gradual Mechanisms

Wenqian Wang and Zhiwen Zheng

Papers from arXiv.org

Abstract: 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.

Date: 2025-01, Revised 2025-03
New Economics Papers: this item is included in nep-des, nep-gth and nep-mic
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