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Lemons and Peaches: A (Robust) Multi-stage Buying Mechanism with Multiple Applications

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  • Gersbach, Hans
  • Mamageishvili, Akaki
  • Tejada, Oriol

Abstract

We introduce a four-stage, multi-price buying mechanism, which can be used by a (big) buyer to separate low-quality sellers - called "lemon" owners - from high-quality sellers - called "peach" owners. With a partition of sellers, the buyer obtains the commodities from the "peach" owners at a price that matches the willingness to sell. By contrast, "lemon" owners are trapped into selling their items at a low, or even negligible, price. Our mechanism is robust for several extensions of our baseline setup, offers applications for market makers and regulators, and may be used by interest groups in politics.

Suggested Citation

  • Gersbach, Hans & Mamageishvili, Akaki & Tejada, Oriol, 2019. "Lemons and Peaches: A (Robust) Multi-stage Buying Mechanism with Multiple Applications," CEPR Discussion Papers 14063, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:14063
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    References listed on IDEAS

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    More about this item

    Keywords

    Lemons market - partition - signaling - commitment - market maker - vote-buying - lobbying - decoy ballots;

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D4 - Microeconomics - - Market Structure, Pricing, and Design
    • D7 - Microeconomics - - Analysis of Collective Decision-Making
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D86 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Economics of Contract Law

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