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Relational Contracts and Competitive Screening

Author

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  • Spagnolo, Giancarlo
  • Calzolari, Giacomo

Abstract

We study the tension between competitive screening and contract enforcement where a principal trades repeatedly with one among several agents, moral hazard and adverse selection coexist, and non-contractible dimensions are governed by relational contracting. We simultaneously characterize optimal relational contracts and competitive screening policies which are interdependent. When non-contractible dimensions are important, the principal optimally restricts competitive screening to a subset of 'loyal' agents, giving up performance bonuses and, when such dimensions are crucial, negotiates an indefinitely renewable contract with one agent. To enhance enforcement, explicit contract duration is also reduced. However, these policies facilitate collusion among agents, which induces an additional trade-off between reputational forces and collusion. When non-contractible dimensions are very important this last trade-off may disappear, as collusion allows more efficient enforcement of better performance.

Suggested Citation

  • Spagnolo, Giancarlo & Calzolari, Giacomo, 2009. "Relational Contracts and Competitive Screening," CEPR Discussion Papers 7434, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:7434
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    References listed on IDEAS

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    More about this item

    Keywords

    Auctions; Collusion; Contract duration; Efficiency wages; Implicit and incomplete contracts; Limited enforcement; Loyalty; Multi-tasking; Negotiation; Non-contractible quality;
    All these keywords.

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D86 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Economics of Contract Law
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation

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