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An Empirical Study of Price Dispersion in Homogenous Goods Markets

Author

Listed:
  • Thierry Warin
  • Daniel B. Leiter
Abstract
This paper presents the results of an empirical study of price dispersion in homogeneous goods markets. Modern economic theory suggests that inevitable asymmetries of information in markets lead to an equilibrium in which price dispersion is present even when goods are perfectly homogenous. In this paper we present an empirical analysis in which we employ both cross-sectional and time-series data gathered directly from Pricegrabber.com, one of the most popular and comprehensive online shopping/price-comparison sites on the Internet. In particular our analysis focuses on (i) the effect that the number of firms offering a good has on price dispersion, (ii) the informational value to the consumer of using the Pricegrabber website, and (iii) the persistency of price dispersion over time.

Suggested Citation

  • Thierry Warin & Daniel B. Leiter, 2007. "An Empirical Study of Price Dispersion in Homogenous Goods Markets," Middlebury College Working Paper Series 0710, Middlebury College, Department of Economics.
    • Handle: RePEc:mdl:mdlpap:0710
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    File URL: http://www.middlebury.edu/services/econ/repec/mdl/ancoec/0710.pdf
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    References listed on IDEAS

    as
    1. Morgan, John & Orzen, Henrik & Sefton, Martin, 2006. "An experimental study of price dispersion," Games and Economic Behavior, Elsevier, vol. 54(1), pages 134-158, January.
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    4. Narasimhan, Chakravarthi, 1988. "Competitive Promotional Strategies," The Journal of Business, University of Chicago Press, vol. 61(4), pages 427-449, October.
    5. Steven Salop, 1977. "The Noisy Monopolist: Imperfect Information, Price Dispersion and Price Discrimination," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 44(3), pages 393-406.
    6. Rosenthal, Robert W, 1980. "A Model in Which an Increase in the Number of Sellers Leads to a Higher Price," Econometrica, Econometric Society, vol. 48(6), pages 1575-1579, September.
    7. Alan T. Sorensen, 2000. "Equilibrium Price Dispersion in Retail Markets for Prescription Drugs," Journal of Political Economy, University of Chicago Press, vol. 108(4), pages 833-862, August.
    8. George A. Akerlof, 1970. "The Market for "Lemons": Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 84(3), pages 488-500.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Jan Babecký & Fabrizio Coricelli & Roman Horváth, 2009. "Assessing Inflation Persistence: Micro Evidence on an Inflation Targeting Economy," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 59(2), pages 102-127, June.
    2. Andrés Martínez, María-Encarnación & Alfaro Navarro, José-Luis & Trinquecoste, Jean-François, 2017. "The effect of destination type and travel period on the behavior of the price of airline tickets," Research in Transportation Economics, Elsevier, vol. 62(C), pages 37-43.
    3. Fabrizio Coricelli & Roman Horváth, 2010. "Price setting and market structure: an empirical analysis of micro data in Slovakia," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 31(2-3), pages 209-233.
    4. Jifeng Luo & Han Zhang & Haizheng Li, 2018. "Pricing strategies in online book industry: a comparative study," Information Systems and e-Business Management, Springer, vol. 16(4), pages 791-816, November.

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    More about this item

    Keywords

    E-commerce; Internet marketing; Price dispersion; Signaling; Search Cost; Gatekeepers; Regression and other statistical techniques JEL Classification: L81; L86; L11;
    All these keywords.

    JEL classification:

    • L81 - Industrial Organization - - Industry Studies: Services - - - Retail and Wholesale Trade; e-Commerce
    • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms

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