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consumer welfare 1gaming resistance 1incentive alignment 1llm marketplaces 1mechanism design 1reputation systems 1

From the 1 of 5 linked papers with an AI index.

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20242026
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cs.AI2026

Paying for Honesty Without Knowing the Truth: Reputation-Penalty Design for LLM Marketplace Agents

Mingdai Yang, Shicheng Fan, Kejing Yu +5

The paper proposes CARP, a reputation‑penalty mechanism that discourages LLM agents from fabricating product attributes without needing ground‑truth verification, and shows that co…