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A Scent of Lemon—Seller Meets Buyer with a Noisy Quality Observation
Department of Economics, Stockholm School of Economics, Box 6501, 113 83 Stockholm, Sweden
Department of Economics, École Polytechnique, 91 128 Palaiseau Cedex, France
* Author to whom correspondence should be addressed.
Received: 17 November 2010; in revised form: 8 February 2011 / Accepted: 14 March 2011 / Published: 18 March 2011
Abstract: We consider a market for lemons in which the seller is a monopolistic price setter and the buyer receives a private noisy signal of the product’s quality. We model this as a game and analyze perfect Bayesian equilibrium prices, trading probabilities and gains of trade. In particular, we vary the buyer’s signal precision, from being completely uninformative, as in standard models of lemons markets, to being perfectly informative. We show that high quality units are sold with positive probability even in the limit of uninformative signals, and we identify some discontinuities in the equilibrium predictions at the boundaries of completely uninformative and completely informative signals, respectively.
Keywords: lemons; adverse selection; noisy quality signals; two-sided incomplete information
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Voorneveld, M.; Weibull, J.W. A Scent of Lemon—Seller Meets Buyer with a Noisy Quality Observation. Games 2011, 2, 163-186.
Voorneveld M, Weibull JW. A Scent of Lemon—Seller Meets Buyer with a Noisy Quality Observation. Games. 2011; 2(1):163-186.
Voorneveld, Mark; Weibull, Jörgen W. 2011. "A Scent of Lemon—Seller Meets Buyer with a Noisy Quality Observation." Games 2, no. 1: 163-186.