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The Role of Commitment in Bilateral Trade

  • Dino Gerardi
  • Johannes Horner
  • Lucas Maestri

We examine the buyer-seller problem under different levels of commitment. The seller is informed of the quality of the good, which affects both his cost and the buyer's valuation, but the buyer is not. We characterize the allocations that can be achieved through mechanisms in which, unlike with full commitment, the buyer has the option to "walk away" after observing a given offer. We further characterize the equilibrium payoffs that can be achieved in the bargaining game in which the seller makes all the offers, as the discount factor goes to one. This allows us to identify how different levels of commitment affect outcomes, and which constraints, if any, preclude efficiency.

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Paper provided by David K. Levine in its series Levine's Working Paper Archive with number 786969000000000923.

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Date of creation: 24 Feb 2014
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Handle: RePEc:cla:levarc:786969000000000923
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  1. Riley, John & Zeckhauser, Richard, 1983. "Optimal Selling Strategies: When to Haggle, When to Hold Firm," The Quarterly Journal of Economics, MIT Press, vol. 98(2), pages 267-89, May.
  2. Ausubel, Lawrence M. & Deneckere, Raymond J., 1989. "A direct mechanism characterization of sequential bargaining with one-sided incomplete information," Journal of Economic Theory, Elsevier, vol. 48(1), pages 18-46, June.
  3. Akerlof, George A, 1970. "The Market for 'Lemons': Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, MIT Press, vol. 84(3), pages 488-500, August.
  4. Raymond Deneckere & Meng-Yu Liang, 2006. "Bargaining with Interdependent Values," Econometrica, Econometric Society, vol. 74(5), pages 1309-1364, 09.
  5. Mylovanov, Tymofiy, 2008. "Veto-based delegation," Journal of Economic Theory, Elsevier, vol. 138(1), pages 297-307, January.
  6. Samuelson, William F, 1984. "Bargaining under Asymmetric Information," Econometrica, Econometric Society, vol. 52(4), pages 995-1005, July.
  7. Drew Fudenberg & Jean Tirole, 1991. "Game Theory," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061414, June.
  8. Steven A. Matthews & Andrew Postlewaite, 1987. "Pre-Play Communication in Two-Person Sealed-Bid Double Auctions," Discussion Papers 744R, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  9. Drew Fudenberg & David K. Levine & Jean Tirole, 1985. "Infinite-Horizon Models of Bargaining with One-Sided Incomplete Information," Levine's Working Paper Archive 1098, David K. Levine.
  10. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
  11. Ariel Rubinstein, 2010. "Perfect Equilibrium in a Bargaining Model," Levine's Working Paper Archive 661465000000000387, David K. Levine.
  12. Gresik, Thomas A., 1991. "Ex ante efficient, ex post individually rational trade," Journal of Economic Theory, Elsevier, vol. 53(1), pages 131-145, February.
  13. Forges, F., 1991. "Posterior efficiency," CORE Discussion Papers 1991045, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  14. Bester, Helmut & Strausz, Roland, 2001. "Contracting with Imperfect Commitment and the Revelation Principle: The Single Agent Case," Econometrica, Econometric Society, vol. 69(4), pages 1077-98, July.
  15. Gresik, Thomas A., 1991. "Ex ante incentive efficient trading mechanisms without the private valuation restriction," Journal of Economic Theory, Elsevier, vol. 55(1), pages 41-63, October.
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