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Mechanism Design with Renegotiation and Costly Messages

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Abstract

According to standard theory, the set of implementable outcome functions is reduced if the mechanism or contract can be renegotiated ex post. In some cases contracts can achieve nothing and so, for example, the holdup problem may be severe. This paper shows that if the mechanism is designed in such a way that sending a message involves a small cost (e.g., the opportunity cost of time spent attending a hearing) then ex post renegotiation essentially does not restrict the set of implementable functions. Any Pareto-efficient, bounded social choice function can be implemented in subgame-perfect equilibrium, for any strictly positive message cost.

Suggested Citation

  • Evans, R., 2006. "Mechanism Design with Renegotiation and Costly Messages," Cambridge Working Papers in Economics 0626, Faculty of Economics, University of Cambridge.
    • Handle: RePEc:cam:camdae:0626
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    References listed on IDEAS

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    1. Rubinstein, Ariel & Wolinsky, Asher, 1992. "Renegotiation-Proof Implementation and Time Preferences," American Economic Review, American Economic Association, vol. 82(3), pages 600-614, June.
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    5. Joel Watson, 2007. "Contract, Mechanism Design, and Technological Detail," Econometrica, Econometric Society, vol. 75(1), pages 55-81, January.
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    7. Ilya Segal, 1999. "Complexity and Renegotiation: A Foundation for Incomplete Contracts," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 66(1), pages 57-82.
    8. Maskin, Eric & Sjostrom, Tomas, 2002. "Implementation theory," Handbook of Social Choice and Welfare, in: K. J. Arrow & A. K. Sen & K. Suzumura (ed.), Handbook of Social Choice and Welfare, edition 1, volume 1, chapter 5, pages 237-288, Elsevier.
    9. repec:cdl:ucsdec:142242 is not listed on IDEAS
    10. Jerry R. Green & Jean-Jacques Laffont, 1986. "Partially Verifiable Information and Mechanism Design," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 53(3), pages 447-456.
    11. Glazer, Jacob & Rubinstein, Ariel, 1998. "Motives and Implementation: On the Design of Mechanisms to Elicit Opinions," Journal of Economic Theory, Elsevier, vol. 79(2), pages 157-173, April.
    12. Sandeep Baliga & Tomas Sjöström, 2009. "Contracting with Third Parties," American Economic Journal: Microeconomics, American Economic Association, vol. 1(1), pages 75-100, February.
    13. Eric Maskin & Jean Tirole, 1999. "Unforeseen Contingencies and Incomplete Contracts," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 66(1), pages 83-114.
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    Cited by:

    1. Buzard, Kristy & ,, 2012. "Contract, renegotiation, and hold up: Results on the technology of trade and investment," Theoretical Economics, Econometric Society, vol. 7(2), May.
    2. Bester, Helmut & Krähmer, Daniel, 2012. "Exit options in incomplete contracts with asymmetric information," Journal of Economic Theory, Elsevier, vol. 147(5), pages 1947-1968.
    3. Watson, Joel & Buzard, Kristy, 2009. "Contract, Renegotiation, and Hold Up: General Results on the Technology of Trade and Investment," University of California at San Diego, Economics Working Paper Series qt3923q7kz, Department of Economics, UC San Diego.
    4. Neeman, Zvika & Pavlov, Gregory, 2008. "Renegotiation-Proof Mechanism Design," Foerder Institute for Economic Research Working Papers 275717, Tel-Aviv University > Foerder Institute for Economic Research.
    5. Bull Jesse, 2008. "Costly Evidence Production and the Limits of Verifiability," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 8(1), pages 1-28, July.
    6. Bull Jesse, 2008. "Mechanism Design with Moderate Evidence Cost," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 8(1), pages 1-20, May.
    7. Neeman, Zvika & Pavlov, Gregory, 2013. "Ex post renegotiation-proof mechanism design," Journal of Economic Theory, Elsevier, vol. 148(2), pages 473-501.

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    More about this item

    Keywords

    Implementation with Renegotiation; Incomplete Contracts; Hold-up problem; Communication Costs;
    All these keywords.

    JEL classification:

    • D23 - Microeconomics - - Production and Organizations - - - Organizational Behavior; Transaction Costs; Property Rights

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