Bargaining with Incomplete Information: Evolutionary Stability in Finite Populations

31 Pages Posted: 2 Sep 2014

See all articles by Kai A. Konrad

Kai A. Konrad

Max Planck Institute for Tax Law and Public Finance; Centre for Economic Policy Research (CEPR); CESifo (Center for Economic Studies and Ifo Institute for Economic Research); IZA Institute of Labor Economics

Florian Morath

Department of Public Finance, University of Innsbruck; Max Planck Institute for Tax Law and Public Finance

Date Written: September 2, 2014

Abstract

This paper considers evolutionarily stable strategies (ESS) in a take-it-or-leave-it offer bargaining game with incomplete information. We find responders reject offers which yield a higher positive material payoff than their outside option. Proposers, in turn, make more attractive offers than in the perfect Bayesian equilibrium. Efficiency-enhancing trade may break down even when the responder has no private information. Overall, the probability of trade and ex post efficiency is lower in the ESS equilibrium than in the corresponding perfect Bayesian equilibrium. The results are observationally equivalent to behavioral explanations such as in-group favoritism and a preference for punishing selfish proposers but are driven by concerns about relative material payoff infinite populations.

Keywords: Evolutionary stability, Finite population, Take-it-or-leave-it offer bargaining, Asymmetric information

JEL Classification: C73, C78, D82

Suggested Citation

Konrad, Kai A. and Morath, Florian, Bargaining with Incomplete Information: Evolutionary Stability in Finite Populations (September 2, 2014). Working Paper of the Max Planck Institute for Tax Law and Public Finance No. 2014-16. Available at SSRN: https://ssrn.com/abstract=2490351 or http://dx.doi.org/10.2139/ssrn.2490351

Kai A. Konrad (Contact Author)

Max Planck Institute for Tax Law and Public Finance ( email )

Marstallplatz 1
Munich, 80539
Germany

HOME PAGE: http://www.tax.mpg.de/en/pub/home.cfm

Centre for Economic Policy Research (CEPR)

90-98 Goswell Road
London, EC1V 7RR
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CESifo (Center for Economic Studies and Ifo Institute for Economic Research)

Poschinger Str. 5
Munich, 81679
Germany

IZA Institute of Labor Economics

P.O. Box 7240
Bonn, 53072
Germany

Florian Morath

Department of Public Finance, University of Innsbruck ( email )

Max Planck Institute for Tax Law and Public Finance ( email )

Marstallplatz 1
Munich, 80539
Germany

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