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Advertising and Consumer Search in a Duopoly Model

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  • Maarten C.W. Janssen

    ()
    (Faculty of Economics, Erasmus Universiteit Rotterdam)

  • Mariëlle C. Non

    ()
    (Faculty of Economics, Erasmus Universiteit Rotterdam)

Abstract

We consider a duopoly in a homogenous goods market where part of the consumers are ex ante uninformed about prices. Information can come through two different channels: advertising and sequential consumer search. We arrive at the following results. First, there is no monotone relationship between prices and the degree of advertising. Second, advertising and search are “substitutes” for a large range of parameters. Third, when the cost of either search or advertising vanishes, the competitive outcome arises. Finally, both expected advertised and non-advertised prices are non-monotonic in search cost. One of the implications is that firms actually may benefit from consumers having low (rather than high) search costs. This discussion paper has resulted in a publication in International Journal of Industrial Organization , 2008, 26(1), 354-71.

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Bibliographic Info

Paper provided by Tinbergen Institute in its series Tinbergen Institute Discussion Papers with number 05-022/1.

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Date of creation: 17 Feb 2005
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Handle: RePEc:dgr:uvatin:20050022

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Web page: http://www.tinbergen.nl

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Keywords: consumer search; advertising; price dispersion;

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References

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  1. Jose Luis Moraga-Gonzalez & Matthijs R. Wildenbeest, 0000. "Maximum Likelihood Estimation of Search Costs," Tinbergen Institute Discussion Papers 06-019/1, Tinbergen Institute.
  2. Maarten C.W. Janssen & Mariëlle C. Non, 2005. "Advertising and Consumer Search in a Duopoly Model," Tinbergen Institute Discussion Papers 05-022/1, Tinbergen Institute.
  3. Moraga-González, José Luis & Wildenbeest, Matthijs R., 2008. "Maximum likelihood estimation of search costs," European Economic Review, Elsevier, vol. 52(5), pages 820-848, July.
  4. Stahl II Dale O., 1994. "Oligopolistic Pricing and Advertising," Journal of Economic Theory, Elsevier, vol. 64(1), pages 162-177, October.
  5. Diamond, Peter A., 1971. "A model of price adjustment," Journal of Economic Theory, Elsevier, vol. 3(2), pages 156-168, June.
  6. Maarten C.W. Janssen & Mariëlle C. Non, 2005. "Advertising and Consumer Search in a Duopoly Model," Tinbergen Institute Discussion Papers 05-022/1, Tinbergen Institute.
  7. Butters, Gerard R, 1977. "Equilibrium Distributions of Sales and Advertising Prices," Review of Economic Studies, Wiley Blackwell, vol. 44(3), pages 465-91, October.
  8. Stahl, Dale O, II, 1989. "Oligopolistic Pricing with Sequential Consumer Search," American Economic Review, American Economic Association, vol. 79(4), pages 700-712, September.
  9. Jean-Pierre Dube & Guenter J. Hitsch & Peter Rossi, 2006. "Do Switching Costs Make Markets Less Competitive?," 2006 Meeting Papers 514, Society for Economic Dynamics.
  10. Cason, Timothy N. & Datta, Shakun, 2006. "An experimental study of price dispersion in an optimal search model with advertising," International Journal of Industrial Organization, Elsevier, vol. 24(3), pages 639-665, May.
  11. Janssen, Maarten C.W. & Moraga-Gonzalez, Jose Luis & Wildenbeest, Matthijs R., 2005. "Truly costly sequential search and oligopolistic pricing," International Journal of Industrial Organization, Elsevier, vol. 23(5-6), pages 451-466, June.
  12. Robert, Jacques & Stahl, Dale O, II, 1993. "Informative Price Advertising in a Sequential Search Model," Econometrica, Econometric Society, vol. 61(3), pages 657-86, May.
  13. Burdett, Kenneth & Judd, Kenneth L, 1983. "Equilibrium Price Dispersion," Econometrica, Econometric Society, vol. 51(4), pages 955-69, July.
  14. Paul Klemperer, 1987. "The Competitiveness of Markets with Switching Costs," RAND Journal of Economics, The RAND Corporation, vol. 18(1), pages 138-150, Spring.
  15. J. Yannis Bakos, 1997. "Reducing Buyer Search Costs: Implications for Electronic Marketplaces," Management Science, INFORMS, vol. 43(12), pages 1676-1692, December.
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Citations

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Cited by:
  1. Janssen, Maarten C.W. & Non, Marielle C., 2008. "Advertising and consumer search in a duopoly model," International Journal of Industrial Organization, Elsevier, vol. 26(1), pages 354-371, January.
  2. Dmitry Ryvkin & Danila Serra, 2013. "Does Competition Among Public Officials Reduce Corruption? An Experiment," Departmental Working Papers 1301, Southern Methodist University, Department of Economics.
  3. Ruth G. Gilgenbach, 2009. "On Polarized Prices and Costly Sequential Search," Departmental Working Papers 0907, Southern Methodist University, Department of Economics.
  4. Ian McCarthy, 2008. "Advertising Intensity and Welfare in an Equilibrium Search Model," Caepr Working Papers 2008-003, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
  5. Maarten C.W. Janssen & Marielle C. Non, 2006. "Going where the Ad leads you: On High Advertised Prices and Search where to buy," Tinbergen Institute Discussion Papers 06-075/1, Tinbergen Institute.
  6. Chris M. Wilson, 2008. "Ordered Search and Equilibrium Obfuscation," Economics Series Working Papers 401, University of Oxford, Department of Economics.
  7. Fershtman, Chaim & Fishman, Arthur & Zhou, Jidong, 2013. "Search and Categorization," MPRA Paper 53166, University Library of Munich, Germany.
  8. Ian McCarthy, 2008. "Simulating Sequential Search Models with Genetic Algorithms: Analysis of Price Ceilings, Taxes, Advertising and Welfare," Caepr Working Papers 2008-010, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
  9. Wang, Chengsi, 2011. "Informative Advertising, Consumer Search and Transparency Policy," MPRA Paper 34977, University Library of Munich, Germany.

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