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Nobel Laureates

Uncertain Product Quality: The Market for Lemons with an Imperfect Testing Technology


Volume: Volume 12, No. 2

Issue: Autumn 1981

Pages: pp. 625-636

Authors: Robert Heinkel

Title: Uncertain Product Quality: The Market for Lemons with an Imperfect Testing Technology

Abstract: In a product market with consumer uncertainty regarding product quality, many regulatory policies may prove beneficial. This article examines the policy implications of administering an ex post imperfect quality test with potential seller liability. The key policy variables are the size of the liability, the confidence level of the test, and the degree of test imperfection, or noise. The model results demonstrate how the policy variables affect seller incentives and, therefore, total welfare. For example, minimizing the amount of noise in the test need not maximize welfare.


JEL Classification

Economics of Uncertainty and Information; Game Theory and Bargaining Theory: General (0260)
Market Structure: Industrial Organization and Corporate Strategy (6110)
Consumer Economics; Levels and Standards of Living General (9210)