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"We sold a million copies" - The Role of Advertising Past Sales

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Author Info

  • Paulo Klinger Monteiro

    (IMPA)

  • José Luis Moraga-González

    (Tinbergen Institute Rotterdam)

Abstract

We model a two period monopoly market with two-sided quality uncertainty. In first period, seller gathers information about consumers´ tastes upon observing its sales. In second period, seller may or may not deliver the information. If monopolist must commit either to reveal or conceal past-sales before observing them, committing to reveal is the dominant strategy whenever advertising cost is low, buyers are many and their private information is accurate. When seller can postpone advertising decision and gains experience, past-sales revelation occurs partially. In equilibrium, delivery of sales-data occurs to induce some buyers´ herding behaviour. We carry out the analysis for two different informational scenarios.

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Bibliographic Info

Paper provided by University of Copenhagen. Department of Economics. Centre for Industrial Economics in its series CIE Discussion Papers with number 1999-03.

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Length: 23 pages
Date of creation: Feb 1999
Date of revision:
Handle: RePEc:kud:kuieci:1999-03

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Related research

Keywords: two-sided quality uncertainty; past-sales advertising; herding behaviour;

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References

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  1. Judd, Kenneth L & Riordan, Michael H, 1994. "Price and Quality in a New Product Monopoly," Review of Economic Studies, Wiley Blackwell, vol. 61(4), pages 773-89, October.
  2. Sushil Bikhchandani & David Hirshleifer & Ivo Welch, 2010. "A theory of Fads, Fashion, Custom and cultural change as informational Cascades," Levine's Working Paper Archive 1193, David K. Levine.
  3. Kyle Bagwell & Michael Riordan, 1988. "High and Declining Prices Signal Product Quality," Discussion Papers 808, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  4. Wolinsky, Asher, 1983. "Prices as Signals of Product Quality," Review of Economic Studies, Wiley Blackwell, vol. 50(4), pages 647-58, October.
  5. Milgrom, Paul & Roberts, John, 1986. "Price and Advertising Signals of Product Quality," Journal of Political Economy, University of Chicago Press, vol. 94(4), pages 796-821, August.
  6. Gal-Or, Esther, 1985. "Information Sharing in Oligopoly," Econometrica, Econometric Society, vol. 53(2), pages 329-43, March.
  7. Nelson, Philip, 1974. "Advertising as Information," Journal of Political Economy, University of Chicago Press, vol. 82(4), pages 729-54, July/Aug..
  8. Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August.
  9. Vives, Xavier, 1984. "Duopoly information equilibrium: Cournot and bertrand," Journal of Economic Theory, Elsevier, vol. 34(1), pages 71-94, October.
  10. Ramon Caminal & Xavier Vives, 1996. "Why Market Shares Matter: An Information-Based Theory," RAND Journal of Economics, The RAND Corporation, vol. 27(2), pages 221-239, Summer.
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