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Coordination Economies

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  • Kyle Bagwell
  • Garey Ramey

Abstract

This paper considers pricing, cost-reducing investment and dissipative advertising by firms when consumers acquire price information via two information channels, observation of advertising and sequential price search. We find that advertising guides consumers to the lowest prices in the market, even when consumers have the option to search. The threat of search by advertising-uninformed consumers introduces price competition among firms, giving short-and long-run resolutions to the Diamond paradox. Higher concentration raises welfare as a consequence of coordination economies. An extension to loss-leader advertising is developed.

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Bibliographic Info

Paper provided by Northwestern University, Center for Mathematical Studies in Economics and Management Science in its series Discussion Papers with number 1148.

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Date of creation: Oct 1995
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Handle: RePEc:nwu:cmsems:1148

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Web page: http://www.kellogg.northwestern.edu/research/math/
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References

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  1. Bagwell, Kyle & Ramey, Garey, 1994. "Advertising and Coordination," Review of Economic Studies, Wiley Blackwell, vol. 61(1), pages 153-72, January.
  2. repec:fth:stanho:e-92-1 is not listed on IDEAS
  3. Bagwell, Kyle & Ramey, Garey, 1994. "Coordination Economies, Advertising, and Search Behavior in Retail Markets," American Economic Review, American Economic Association, vol. 84(3), pages 498-517, June.
  4. Butters, Gerard R, 1977. "Equilibrium Distributions of Sales and Advertising Prices," Review of Economic Studies, Wiley Blackwell, vol. 44(3), pages 465-91, October.
  5. Benham, Lee, 1972. "The Effect of Advertising on the Price of Eyeglasses," Journal of Law and Economics, University of Chicago Press, vol. 15(2), pages 337-52, October.
  6. Walter Y. Oi, 1992. "Productivity in the Distributive Trades: The Shopper and the Economies of Massed Reserves," NBER Chapters, in: Output Measurement in the Service Sectors, pages 161-193 National Bureau of Economic Research, Inc.
  7. Kihlstrom, Richard E & Riordan, Michael H, 1984. "Advertising as a Signal," Journal of Political Economy, University of Chicago Press, vol. 92(3), pages 427-50, June.
  8. Cady, John F, 1976. "An Estimate of the Price Effects of Restrictions on Drug Price Advertising," Economic Inquiry, Western Economic Association International, vol. 14(4), pages 493-510, December.
  9. Kreps, David M & Wilson, Robert, 1982. "Sequential Equilibria," Econometrica, Econometric Society, vol. 50(4), pages 863-94, July.
  10. 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.
  11. Milgrom, P. & Shannon, C., 1991. "Monotone Comparative Statics," Papers 11, Stanford - Institute for Thoretical Economics.
  12. Diamond, Peter A., 1971. "A model of price adjustment," Journal of Economic Theory, Elsevier, vol. 3(2), pages 156-168, June.
  13. 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 1575-79, September.
  14. Burdett, Kenneth & Judd, Kenneth L, 1983. "Equilibrium Price Dispersion," Econometrica, Econometric Society, vol. 51(4), pages 955-69, July.
  15. Stahl, Dale O, II, 1989. "Oligopolistic Pricing with Sequential Consumer Search," American Economic Review, American Economic Association, vol. 79(4), pages 700-712, September.
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Cited by:
  1. Jeffrey Campbell, 2000. "Market Size Matters," Econometric Society World Congress 2000 Contributed Papers 1225, Econometric Society.
  2. Kyle Bagwell, 1991. "Competitive Limit Pricing Under Imperfect Information," Discussion Papers 954, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  3. AMIR, Rabah, 2003. "Supermodularity and complementarity in economics: an elementary survey," CORE Discussion Papers 2003104, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).

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