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Product innovation and adoption in market equilibrium: The case of digital cameras

  • Carranza, Juan Esteban

This paper studies the effect of competition on product innovation in the market for digital cameras during the years 1998 to 2001. The analysis is based on a structural dynamic model that is estimated and used to simulate the innovation behavior of firms in counterfactual environments. The model features heterogeneous consumers, who time optimally purchase goods, depending on the expected evolution of the prices and the characteristics of available cameras. On the supply side, firms introduce new camera models and choose their characteristics, accounting for the dynamic value of new products and the optimal dynamic behavior of consumers. The counterfactual simulations imply that an increase in competition in the industry would not have generated better products on average and, depending on the type of competition, would have generated products with lower average quality.

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Article provided by Elsevier in its journal International Journal of Industrial Organization.

Volume (Year): 28 (2010)
Issue (Month): 6 (November)
Pages: 604-618

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Handle: RePEc:eee:indorg:v:28:y:2010:i:6:p:604-618
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/505551

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  1. Tülin Erdem & Susumu Imai & Michael Keane, 2003. "Brand and Quantity Choice Dynamics Under Price Uncertainty," Quantitative Marketing and Economics, Springer, vol. 1(1), pages 5-64, March.
  2. Bajari, Patrick & Benkard, C. Lanier & Levin, Jonathan, 2007. "Estimating Dynamic Models of Imperfect Competition," Research Papers 1852r1, Stanford University, Graduate School of Business.
  3. Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-90, July.
  4. Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics.
  5. Panle Jia, 2008. "What Happens When Wal-Mart Comes to Town: An Empirical Analysis of the Discount Retailing Industry," Econometrica, Econometric Society, vol. 76(6), pages 1263-1316, November.
  6. Michael J. Mazzeo, 2002. "Product Choice and Oligopoly Market Structure," RAND Journal of Economics, The RAND Corporation, vol. 33(2), pages 221-242, Summer.
  7. Gautam Gowrisankaran & Marc Rysman, 2007. "Dynamics of Consumer Demand for New Durable Goods," Boston University - Department of Economics - Working Papers Series WP2007-024, Boston University - Department of Economics.
  8. Steven T. Berry, 1994. "Estimating Discrete-Choice Models of Product Differentiation," RAND Journal of Economics, The RAND Corporation, vol. 25(2), pages 242-262, Summer.
  9. Sangin Park, 2004. "Quantitative Analysis of Network Externalities in Competing Technologies: The VCR Case," The Review of Economics and Statistics, MIT Press, vol. 86(4), pages 937-945, November.
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