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Moral Hazard and Renegotiation with Multiple Agents

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  • Shingo Ishiguro
  • Hideshi Itoh

Abstract

We investigate the effects of contract renegotiation in multi-agent situations where risk-averse agents negotiate a contract offer to the principal after the agents observe a common, unverifiable perfect signal about their actions. We show that renegotiation with multiple agents reduces the cost of implementing any implementable action profile down to the first-best level, even though the principal cannot observe the agents' actions. Moreover, it is sufficient for the principal to use a "simple" initial contract, in the sense that it consists of no more than a single sharing scheme for each agent and the total payments to the agents are the same regardless of the realised state. An important implication is that decentralization, in the sense of delegated negotiation and proposals from the agents, can be as effective as centralized schemes that utilize revelation mechanisms in unrestricted ways.

Suggested Citation

  • Shingo Ishiguro & Hideshi Itoh, 2001. "Moral Hazard and Renegotiation with Multiple Agents," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 68(1), pages 1-20.
    • Handle: RePEc:oup:restud:v:68:y:2001:i:1:p:1-20.
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    File URL: http://hdl.handle.net/10.1111/1467-937X.00157
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    Cited by:

    1. Osano, Hiroshi & Kobayashi, Mami, 2005. "Double moral hazard and renegotiation," Research in Economics, Elsevier, vol. 59(4), pages 345-364, December.
    2. Fosco, C. & Mengel, F., 2008. "Incentives and informal networks," Research Memorandum 022, Maastricht University, Maastricht Research School of Economics of Technology and Organization (METEOR).
    3. ,, 2015. "Unraveling in a repeated moral hazard model with multiple agents," Theoretical Economics, Econometric Society, vol. 10(1), January.
    4. Shingo Ishiguro, 2004. "Information Aggregation and Efficiency in Agency Contracts with Endogenous Externality," Econometric Society 2004 Australasian Meetings 60, Econometric Society.
    5. Chrisman, James J. & Chua, Jess H. & Kellermanns, Franz W. & Chang, Erick P.C., 2007. "Are family managers agents or stewards? An exploratory study in privately held family firms," Journal of Business Research, Elsevier, vol. 60(10), pages 1030-1038, October.
    6. Bin R. Chen & Y. Stephen Chiu, 2013. "Interim Performance Evaluation in Contract Design," Economic Journal, Royal Economic Society, vol. 123, pages 665-698, June.
    7. Fleckinger, Pierre & Martimort, David & Roux, Nicolas, 2023. "Should They Compete or Should They Cooperate? The View of Agency Theory," TSE Working Papers 23-1421, Toulouse School of Economics (TSE), revised Jan 2024.
    8. G. Bono, 2005. "Monitoring Team Production by Design," Working Papers 540, Dipartimento Scienze Economiche, Universita' di Bologna.

    More about this item

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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