A Simple Bargaining Mechanism That Elicits Truthful Reservation Prices
AbstractWe describe a simple 2-stage mechanism that induces two bargainers to be truthful in reporting their reservation prices in a 1st stage. If these prices criss-cross, the referee reports that they overlap, and the bargainers proceed to make offers in a 2nd stage. The average of the 2nd-stage offers becomes the settlement if both offers fall into the overlap interval; if only one offer falls into this interval, it is the settlement, but is implemented with probability 1/2; if neither offer falls into the interval, there is no settlement. Thus, if the bargainers reach the 2nd stage, they know their reservation prices overlap even if they fail to reach a settlement, possibly motivating them to try again.
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Bibliographic InfoPaper provided by University of Haifa, Department of Economics in its series Working Papers with number WP2011/2.
Date of creation:
Date of revision: 22 Feb 2011
Bargaining; truth-telling mechanisms; probabilistic implementation;
Other versions of this item:
- Brams, Steven J. & Kaplan, Todd R & Kilgour, D. Marc, 2011. "A Simple Bargaining Mechanism That Elicits Truthful Reservation Prices," MPRA Paper 28999, University Library of Munich, Germany.
- C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
- C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
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- Roger B. Myerson & Mark A. Satterthwaite, 1981.
"Efficient Mechanisms for Bilateral Trading,"
469S, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
- Steven J. Brams & D. Marc Kilgour, 2001. "Competitive Fair Division," Journal of Political Economy, University of Chicago Press, vol. 109(2), pages 418-443, April.
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