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Firm-specific information, product differentiation, and industry equilibrium

Author

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  • Perloff, Jeffrey M.
  • Salop, Steven

Abstract

Where consumers have imperfect information about specific firms’ prices and lack information about the market, firms have informational market power. In general, improving the consumer’s information about each firm’s price will not necessarily lower average market price. We show, however, that certain types of improvements will lower price. Moreover, a reduction in barriers to entry (e.g., capital costs) will lower price-holding information constant. Where a significant number (but not all) consumers have perfect information, single-price equilibria are impossible.

Suggested Citation

  • Perloff, Jeffrey M. & Salop, Steven, 1985. "Firm-specific information, product differentiation, and industry equilibrium," CUDARE Working Papers 47003, University of California, Berkeley, Department of Agricultural and Resource Economics.
    • Handle: RePEc:ags:ucbecw:47003
    DOI: 10.22004/ag.econ.47003
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    Cited by:

    1. Topolyan, Iryna, 2017. "Price competition when three are few and four are many," International Journal of Industrial Organization, Elsevier, vol. 54(C), pages 175-191.
    2. Gladys López-Acevedo, 1997. "Quantal response equilibria for posted offer-markets," Estudios Económicos, El Colegio de México, Centro de Estudios Económicos, vol. 12(2), pages 95-131.
    3. Baylis, Kathy & Perloff, Jeffrey M., 2001. "Price Dispersion on the Internet: Good Firms and Bad Firms," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series qt2t0770rn, Department of Agricultural & Resource Economics, UC Berkeley.
    4. Thomas A Abbott III, 1992. "Price Dispersion In U.S. Manufacturing: Implications For The Aggregation Of Products And Firms," Working Papers 92-3, Center for Economic Studies, U.S. Census Bureau.
    5. Baylis, Kathy & Perloff, Jeffrey M., 2001. "Price Dispersion on the Internet: Good Firms and Bad Firms," Institute for Research on Labor and Employment, Working Paper Series qt2t0770rn, Institute of Industrial Relations, UC Berkeley.
    6. Raymundo M. Campos-Vázquez & Eduardo M. Medina-Cortina, 2019. "Pass-through and competition: the impact of soft drink taxes as seen through Mexican supermarkets," Latin American Economic Review, Springer;Centro de Investigaciòn y Docencia Económica (CIDE), vol. 28(1), pages 1-23, December.
    7. Kathy Baylis & Jeffrey Perloff, 2002. "Price Dispersion on the Internet: Good Firms and Bad Firms," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 21(3), pages 305-324, November.
    8. Carlton, Dennis W. & Perloff, Jeffrey M., 1989. "The Economics of Information," Research Reports 25156, University of Connecticut, Food Marketing Policy Center.
    9. Zamani, Omid & Bittmann, Thomas & Loy, Jens-Peter, 2018. "Search costs and cost pass-through: Evidence for the Iranian poultry market," Economics Letters, Elsevier, vol. 171(C), pages 119-122.
    10. Muck, Johannes, 2016. "Tariff-mediated network effects with incompletely informed consumers," DICE Discussion Papers 210, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    11. Ran Spiegler, 2006. "The Market for Quacks," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 73(4), pages 1113-1131.
    12. Wisnicki, Bartlomiej, 2022. "Consumer inertia fosters product quality," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 96(C).
    13. Thomas A Abbott Iii, 1989. "Price Dispersion in U.S. Manufacturing," Working Papers 89-7, Center for Economic Studies, U.S. Census Bureau.

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