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Simple Market Equilibria with Rationally Inattentive Consumers

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Listed:
  • Filip Matejka
  • Alisdair McKay

Abstract

We study a market with rationally inattentive consumers who are unsure of the terms of the offers made by firms, but can acquire information about the terms at a cost. In a symmetric equilibrium, the price set by firms is continuously increasing in the cost of information for consumers and decreasing in the number of firms operating. In addition, favorable a priori information about a firm leads it to set a higher price, and a new entrant can increase demand for incumbents. When consumers have heterogeneous costs of information, firms selling low-quality products may choose to set the highest prices.

Suggested Citation

  • Filip Matejka & Alisdair McKay, 2012. "Simple Market Equilibria with Rationally Inattentive Consumers," American Economic Review, American Economic Association, vol. 102(3), pages 24-29, May.
    • Handle: RePEc:aea:aecrev:v:102:y:2012:i:3:p:24-29
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    File URL: http://www.aeaweb.org/articles.php?doi=10.1257/aer.102.3.24
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