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Beyond Plain Vanilla: Modeling Joint Product Assortment and Pricing Decisions

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  • Draganska, Michaela

    (Stanford U)

  • Seim, Katja

    (Northwestern U)

  • Mazzeo, Michael

    (U of Pennsylvania)

Abstract

In this paper, we take a first step toward exploring empirically the product assortment strategies of oligopolistic firms. Our starting point is a discrete- choice demand model for differentiated products. We incorporate the demand model into an equilibrium supply model, in which firms compete by first choosing which products to offer and then by setting prices. We show how modeling joint product assortment and pricing decisions enriches standard product choice models by allowing insights into how demand characteristics affect firms' product offerings in a competitive environment. We furthermore demonstrate that incorporating endogenous product choice into demand models is essential for policy simulations (e.g., mergers) as it entails at times dramatically different welfare assessments than the common assumption that product assortments are exogenous.

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Bibliographic Info

Paper provided by Stanford University, Graduate School of Business in its series Research Papers with number 1982.

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Date of creation: Oct 2007
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Handle: RePEc:ecl:stabus:1982

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  1. Aviv Nevo, 1998. "Measuring Market Power in the Ready-to-Eat Cereal Industry," NBER Working Papers 6387, National Bureau of Economic Research, Inc.
  2. Bresnahan, T.F & Reiss, P.C., 1989. "Entry And Competition In Concentrated Markets," Papers 151, Stanford - Studies in Industry Economics.
  3. Michaela Draganska & Dipak C. Jain, 2006. "Consumer Preferences and Product-Line Pricing Strategies: An Empirical Analysis," Marketing Science, INFORMS, vol. 25(2), pages 164-174, 03-04.
  4. V A Hajivassiliou & DL McFadden, 1997. "The Method of Simulated Scores for the Estimation of LDV Models," STICERD - Econometrics Paper Series /1997/328, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
  5. Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-90, July.
  6. Amit Gandhi & Luke Froeb & Steven Tschantz & Gregory J. Werden, 2008. "POST-MERGER PRODUCT REPOSITIONING -super-* ," Journal of Industrial Economics, Wiley Blackwell, vol. 56(1), pages 49-67, 03.
  7. Venkatesh Shankar & Ruth N. Bolton, 2004. "An Empirical Analysis of Determinants of Retailer Pricing Strategy," Marketing Science, INFORMS, vol. 23(1), pages 28-49, May.
  8. Raphael Thomadsen, 2007. "Product Positioning and Competition: The Role of Location in the Fast Food Industry," Marketing Science, INFORMS, vol. 26(6), pages 792-804, 11-12.
  9. James J. Heckman, 1977. "Dummy Endogenous Variables in a Simultaneous Equation System," NBER Working Papers 0177, National Bureau of Economic Research, Inc.
  10. Caplin, Andrew & Nalebuff, Barry, 1991. "Aggregation and Imperfect Competition: On the Existence of Equilibrium," Econometrica, Econometric Society, vol. 59(1), pages 25-59, January.
  11. Reiss, Peter C & Spiller, Pablo T, 1989. "Competition and Entry in Small Airline Markets," Journal of Law and Economics, University of Chicago Press, vol. 32(2), pages S179-202, October.
  12. Steven T. Berry & Joel Waldfogel, 2001. "Do Mergers Increase Product Variety? Evidence From Radio Broadcasting," The Quarterly Journal of Economics, MIT Press, vol. 116(3), pages 1009-1025, August.
  13. repec:att:wimass:9106 is not listed on IDEAS
  14. Aviv Nevo, 2000. "Mergers with Differentiated Products: The Case of the Ready-to-Eat Cereal Industry," RAND Journal of Economics, The RAND Corporation, vol. 31(3), pages 395-421, Autumn.
  15. Timothy F. Bresnahan & Peter C. Reiss, 1987. "Do Entry Conditions Vary across Markets?," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 18(3), pages 833-882.
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Cited by:
  1. Toro-González Daniel & Gallardo R. Karina & Yan Jia & McCluskey Jill J., 2013. "Quality Differentiation with Flavors: Demand Estimation of Unobserved Attributes," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 11(1), pages 11, September.
  2. Crawford, Gregory S., 2012. "Endogenous product choice: A progress report," International Journal of Industrial Organization, Elsevier, vol. 30(3), pages 315-320.
  3. Jan K. Brueckner & Dan Luo, 2013. "Measuring Strategic Firm Interaction in Product-Quality Choices: The Case of Airline Flight Frequency," CESifo Working Paper Series 4066, CESifo Group Munich.
  4. Toro-Gonzalez, Daniel & Yan, Jia & Gallardo, Rosa Karina & McCluskey, Jill J., 2012. "Demand Estimation In The Presence Of An Unobservable Product Attribute: The Case Of Mint Quality," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 123518, Agricultural and Applied Economics Association.
  5. Matthew Gentzkow & Jesse M. Shapiro & Michael Sinkinson, 2012. "Competition and Ideological Diversity: Historical Evidence from US Newspapers," NBER Working Papers 18234, National Bureau of Economic Research, Inc.
  6. Sumon Datta & K. Sudhir, 2012. "Does Reducing Spatial Differentiation Increase Product Differentiation? Effects of Zoning on Retail Entry and Format Variety," Cowles Foundation Discussion Papers 1851, Cowles Foundation for Research in Economics, Yale University, revised Sep 2012.
  7. Mitsukuni Nishida, 2012. "Estimating a Model of Strategic Network Choice: The Convenience-Store Industry in Okinawa," Economics Working Paper Archive 594, The Johns Hopkins University,Department of Economics.
  8. Karray, Salma, 2013. "Periodicity of pricing and marketing efforts in a distribution channel," European Journal of Operational Research, Elsevier, vol. 228(3), pages 635-647.
  9. Stephen Ryan & Catherine Tucker, 2012. "Heterogeneity and the dynamics of technology adoption," Quantitative Marketing and Economics, Springer, vol. 10(1), pages 63-109, March.
  10. Hwang, M. & Bronnenberg, B.J. & Thomadsen, R., 2010. "An empirical analysis of assortment similarities across U.S. supermarkets," Open Access publications from Tilburg University urn:nbn:nl:ui:12-3736994, Tilburg University.
  11. Sumon Datta & K. Sudhir, 2013. "Does reducing spatial differentiation increase product differentiation? Effects of zoning on retail entry and format variety," Quantitative Marketing and Economics, Springer, vol. 11(1), pages 83-116, March.
  12. Maria Ferreyra & Brett Gordon & Dennis Epple, 2011. "Charter School Entry in Market Equilibrium: The Case of Washington, DC," 2011 Meeting Papers 1266, Society for Economic Dynamics.
  13. Gal OEstreicher-Singer & Barak Libai, 2011. "Assessing Value in Product Networks," Working Papers 11-29, NET Institute, revised Sep 2011.
  14. A. Orhun, 2013. "Spatial differentiation in the supermarket industry: The role of common information," Quantitative Marketing and Economics, Springer, vol. 11(1), pages 3-37, March.
  15. Chen, Yongmin & Gayle, Philip, 2013. "Mergers and Product Quality: Evidence from the Airline Industry," MPRA Paper 51238, University Library of Munich, Germany.

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