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Credible Vertical Preemption

  • Siebert, Ralph

This study shows that preemptive investment in product proliferation is subject to a commitment problem that is not constrained to models of horizontal product differentiation, but applies to vertical product differentiation settings as well. We investigate the incentives of firms producing high- or low-quality goods that decide simultaneously to introduce new products in different quality areas. In addition, we analyse whether these firms keep or withdraw similar existing products from the market. The study shows that the introduction of new products depends on the credibility of firms' innovation strategies. The high-quality firm's strategy to proliferate the product space in order to deter the low-quality firm from introducing a new product is not credible. Innovators always withdraw their existing products from the market in order to reduce price competition or to avoid cannibalizing demand for their own products.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4089.

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Date of creation: Oct 2003
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Handle: RePEc:cpr:ceprdp:4089
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  1. Deneckere, R. & McAfee, R.P., 1995. "Damaged Goods," Working papers 9508, Wisconsin Madison - Social Systems.
  2. Shaked, Avner & Sutton, John, 1982. "Relaxing Price Competition through Product Differentiation," Review of Economic Studies, Wiley Blackwell, vol. 49(1), pages 3-13, January.
  3. David P. Myatt & Justin P. Johnson, 2002. "Multiproduct Quality Competition: Fighting Brands and Product Line Pruning," Economics Series Working Papers 105, University of Oxford, Department of Economics.
  4. CHAMPSAUR, Paul & ROCHET, Jean-Charles, . "Multiproduct duopolists," CORE Discussion Papers RP -854, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  5. Constantatos, Christos & Perrakis, Stylianos, 1997. "Vertical differentiation: Entry and market coverage with multiproduct firms," International Journal of Industrial Organization, Elsevier, vol. 16(1), pages 81-103, November.
  6. Caplin, A. & Nalebuff, B., 1989. "Aggregation And Imperfect Competition: On The Existence Of Equilibrium," Discussion Papers 1989_30, Columbia University, Department of Economics.
  7. Hoppe, Heidrun C. & Lee, In Ho, 2003. "Entry deterrence and innovation in durable-goods monopoly," European Economic Review, Elsevier, vol. 47(6), pages 1011-1036, December.
  8. Shaked, Avner & Sutton, John, 1983. "Natural Oligopolies," Econometrica, Econometric Society, vol. 51(5), pages 1469-83, September.
  9. CREMER, Helmuth & THISSE, Jacques-François, . "Location models of horizontal differentiation: a special case of vertical differentiation models," CORE Discussion Papers RP -931, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  10. Eaton, B Curtis & Lipsey, Richard G, 1979. "The Theory of Market Pre-emption: The Persistence of Excess Capacity and Monopoly in Growing Spatial Markets," Economica, London School of Economics and Political Science, vol. 46(182), pages 149-58, May.
  11. GABSZEWICZ, Jean J. & THISSE, Jacques-François, . "Price competition, quality and income disparities," CORE Discussion Papers RP -370, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  12. Choi, Chong Ju & Shin, Hyun Song, 1992. "A Comment on a Model of Vertical Product Differentiation," Journal of Industrial Economics, Wiley Blackwell, vol. 40(2), pages 229-31, June.
  13. Shabtai Donnenfeld & Shlomo Weber, 1995. "Limit Qualities and Entry Deterrence," RAND Journal of Economics, The RAND Corporation, vol. 26(1), pages 113-130, Spring.
  14. Heidrun C. Hoppe & Ulrich Lehmann-Grube, 2001. "Second-Mover Advantages in Dynamic Quality Competition," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 10(3), pages 419-433, 09.
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