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Mechanism Design with Renegotiation and Costly Messages

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  • Evans, R.

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.

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Bibliographic Info

Paper provided by Faculty of Economics, University of Cambridge in its series Cambridge Working Papers in Economics with number 0626.

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Length: 20
Date of creation: Mar 2006
Date of revision:
Handle: RePEc:cam:camdae:0626

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Web page: http://www.econ.cam.ac.uk/index.htm

Related research

Keywords: Implementation with Renegotiation; Incomplete Contracts; Hold-up problem; Communication Costs;

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References

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  1. Oliver Hart & John Moore, 1998. "Foundations of Incomplete Contracts," NBER Working Papers 6726, National Bureau of Economic Research, Inc.
  2. 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.
  3. 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.
  4. Bull, Jesse & Watson, Joel, 2002. "Evidence Disclosure and Verfiability," University of California at San Diego, Economics Working Paper Series qt19p7z2gm, Department of Economics, UC San Diego.
  5. Segal, Ilya, 1999. "Complexity and Renegotiation: A Foundation for Incomplete Contracts," Review of Economic Studies, Wiley Blackwell, vol. 66(1), pages 57-82, January.
  6. Rubinstein, Ariel & Wolinsky, Asher, 1992. "Renegotiation-Proof Implementation and Time Preferences," American Economic Review, American Economic Association, vol. 82(3), pages 600-614, June.
  7. Che, Y.K. & Hausch, D.B., 1997. "Cooperative Investments and the Value of Contracting," Working papers 9714, Wisconsin Madison - Social Systems.
  8. Green, Jerry R & Laffont, Jean-Jacques, 1986. "Partially Verifiable Information and Mechanism Design," Review of Economic Studies, Wiley Blackwell, vol. 53(3), pages 447-56, July.
  9. Maskin, Eric & Tirole, Jean, 1999. "Unforeseen Contingencies and Incomplete Contracts," Review of Economic Studies, Wiley Blackwell, vol. 66(1), pages 83-114, January.
  10. Sandeep Baliga & Tomas Sjostrom, 2005. "Contracting with Third Parties," Levine's Bibliography 784828000000000408, UCLA Department of Economics.
  11. Maskin, Eric & Moore, John, 1999. "Implementation and Renegotiation," Review of Economic Studies, Wiley Blackwell, vol. 66(1), pages 39-56, January.
  12. repec:cdl:ucsdec:142242 is not listed on IDEAS
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Citations

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Cited by:
  1. Bester, Helmut & Krähmer, Daniel, 2008. "Exit Options in Incomplete Contracts with Asymmetric Information," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 251, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
  2. Buzard, Kristy & Watson, Joel, 2010. "Contract, Renegotiation, and Hold Up: Results on the Technology of Trade and Investment," University of California at San Diego, Economics Working Paper Series qt3df3q4vg, Department of Economics, UC San Diego.
  3. Zvika Neeman & Gregory Pavlov, 2010. "Renegotiation-proof Mechanism Design," UWO Department of Economics Working Papers 20101, University of Western Ontario, Department of Economics.
  4. Jesse Bull, 2006. "Costly Evidence Production and the Limits of Verifiability," Working Papers 0611, Florida International University, Department of Economics.
  5. 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.

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