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Advertising Collusion in Retail Markets

Author

Listed:
  • Kyle Bagwell

    (Stanford University)

  • Gea M. Lee

    (School of Economics, Singapore Management University)

Abstract

We analyze non-price advertising by retail firms, when the firms are privately informed about their respective costs of production. In a static advertising game, an advertising equilibrium exists in which lower-cost firms select higher advertising levels. In this equilibrium, informed consumers rationally employ an advertising search rule in which they buy from the highest- advertising firm, since lower-cost firms also select lower prices. In a repeated advertising game, colluding fims face a tradeoff: the use of advertising can promote productive efficiency but only if sufficient current or future advertising expenses are incurred. At one extreme, if firms pool at zero advertising, they sacrifice productive efficiency but also eliminate current and future advertising expenses. Focusing on symmetric perfect public equilibria for the repeated advertising game, we establish conditions under which optimal collusion entails pooling at zero advertising. More generally, full or partial pooling is observed in optimal collusion. Such collusive agreements reduce consumer welfare, since they restrict informed consumers' ability to locate the lowest available price in the market.

Suggested Citation

  • Kyle Bagwell & Gea M. Lee, 2010. "Advertising Collusion in Retail Markets," Working Papers 03-2010, Singapore Management University, School of Economics.
  • Handle: RePEc:siu:wpaper:03-2010
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    References listed on IDEAS

    as
    1. Athey, Susan & Bagwell, Kyle, 2001. "Optimal Collusion with Private Information," RAND Journal of Economics, The RAND Corporation, vol. 32(3), pages 428-465, Autumn.
    2. Lee, Gea M., 2007. "Trade agreements with domestic policies as disguised protection," Journal of International Economics, Elsevier, vol. 71(1), pages 241-259, March.
    3. Makoto Hanazono & Huanxing Yang, 2007. "Collusion, Fluctuating Demand, And Price Rigidity," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 48(2), pages 483-515, May.
    4. Bagwell Kyle & Lee Gea M, 2010. "Advertising Competition in Retail Markets," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 10(1), pages 1-38, August.
    5. Gasmi, F & Laffont, J J & Vuong, Q, 1992. "Econometric Analysis of Collusive Behavior in a Soft-Drink Market," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 1(2), pages 277-311, Summer.
    6. James W. Friedman, 1983. "Advertising and Oligopolistic Equilibrium," Bell Journal of Economics, The RAND Corporation, vol. 14(2), pages 464-473, Autumn.
    7. Volker Nocke, 2007. "Collusion and dynamic (under-) investment in quality," RAND Journal of Economics, RAND Corporation, vol. 38(1), pages 227-249, March.
    8. Peters, Michael, 1984. "Restrictions on Price Advertising," Journal of Political Economy, University of Chicago Press, vol. 92(3), pages 472-485, June.
    9. Vrinda Kadiyali, 1996. "Entry, Its Deterrence, and Its Accommodation: A Study of the U.S. Photographic Film Industry," RAND Journal of Economics, The RAND Corporation, vol. 27(3), pages 452-478, Autumn.
    10. Bagwell, Kyle, 2007. "The Economic Analysis of Advertising," Handbook of Industrial Organization, in: Mark Armstrong & Robert Porter (ed.), Handbook of Industrial Organization, edition 1, volume 3, chapter 28, pages 1701-1844, Elsevier.
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    Cited by:

    1. Gea Myoung Lee, 2011. "Optimal International Agreement and Treatment of Domestic Subsidy," Working Papers 01-2011, Singapore Management University, School of Economics.
    2. Nelson Sá, 2015. "Market concentration and persuasive advertising: a theoretical approach," Journal of Economics, Springer, vol. 114(2), pages 127-151, March.
    3. Feng Yao, 2012. "The Effect of Advertising on Collusion in the U.S. Brewing Industry: A Trigger Strategy Approach," Atlantic Economic Journal, Springer;International Atlantic Economic Society, vol. 40(1), pages 21-37, March.
    4. Bagwell Kyle & Lee Gea M, 2010. "Advertising Competition in Retail Markets," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 10(1), pages 1-38, August.

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    More about this item

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts

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