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Bilateral Commitment

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Author Info
Sophie Bade () (Department of Economics, Penn State University)
Guillaume Haeringer () (Department of Economics, Universitat Autonoma de Barcelona)
Ludovic Renou () (School of Economics, University of Adelaide)

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Abstract

We consider non-cooperative environments in which two players have the power to commit but cannot sign binding agreements. We show that by committing to a set of actions rather than to a single action, players can implement a wide range of action profiles. We give a complete characterization of implementable profiles and provide a simple method to find them. Profiles implementable by bilateral commitments are shown to be generically inefficient. Surprisingly, allowing for gradualism (i.e., step by step commitment) does not change the set of implementable profiles.

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File URL: http://www.economics.adelaide.edu.au/research/papers/doc/econwp06-07.pdf
File Format: application/pdf
File Function: First version, April 2006
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Publisher Info
Paper provided by University of Adelaide, School of Economics in its series Working Papers with number 2006-07.

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Date of creation: May 2006
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Handle: RePEc:adl:wpaper:2006-07

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Postal: Adelaide SA 5005
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Web page: http://www.economics.adelaide.edu.au/
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Related research
Keywords: Commitment; self-enforcing; treaties; inefficiency; agreements; Pareto-improvement.;

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Find related papers by JEL classification:
C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
H87 - Public Economics - - Miscellaneous Issues - - - International Fiscal Issues; International Public Goods

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References listed on IDEAS
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    Other versions:
  2. B. Douglas Bernheim & Michael D. Whinston, 1997. "Incomplete Contracts and Strategic Ambiguity," Harvard Institute of Economic Research Working Papers 1787, Harvard - Institute of Economic Research.
    Other versions:
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    Other versions:
  4. Moulin, Herve, 1984. "Dominance solvability and cournot stability," Mathematical Social Sciences, Elsevier, vol. 7(1), pages 83-102, February. [Downloadable!] (restricted)
  5. Ben Lockwood & Jonathan P. Thomas, 1999. "Gradualism and Irreversibility," CSGR Working papers series 28/99, Centre for the Study of Globalisation and Regionalisation (CSGR), University of Warwick.
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  6. Romano, Richard & Yildirim, Huseyin, 2005. "On the endogeneity of Cournot-Nash and Stackelberg equilibria: games of accumulation," Journal of Economic Theory, Elsevier, vol. 120(1), pages 73-107, January. [Downloadable!] (restricted)
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  10. Sophie Bade & Guillaume Haeringer & Ludovic Renou, 2005. "More strategies, more Nash equilibria," Game Theory and Information 0502001, EconWPA. [Downloadable!]
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  11. Zodrow, George R. & Mieszkowski, Peter, 1986. "Pigou, Tiebout, property taxation, and the underprovision of local public goods," Journal of Urban Economics, Elsevier, vol. 19(3), pages 356-370, May. [Downloadable!] (restricted)
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  13. Baldwin, Richard E. & Krugman, Paul, 2004. "Agglomeration, integration and tax harmonisation," European Economic Review, Elsevier, vol. 48(1), pages 1-23, February. [Downloadable!] (restricted)
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  14. Harris, Christopher & Reny, Philip & Robson, Arthur, 1995. "The Existence of Subgame-Perfect Equilibrium in Continuous Games with Almost Perfect Information: A Case for Public Randomization," Econometrica, Econometric Society, vol. 63(3), pages 507-44, May. [Downloadable!] (restricted)
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