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Retail structure and product variety

  • Marie-Laure Allain

    (CECO - Laboratoire d'econometrie de l'école polytechnique - CNRS : UMR7657 - Polytechnique - X)

  • Patrick Waelbroeck

    (ENST Paris)

Nous examinons l'impact de la structure horizontale et verticale d'un marché sur les incitations à l'innovation et sur la variété des produits. Nous considérons le marché d'un bien homogène où un producteur peut innover pour étendre sa gamme de produits en créant un nouveau produit substitut. Le coût de lancement du nouveau produit est fixe, et réparti entre les activités de production et de distribution. Nous montrons qu'une chaîne intégrée verticalement offre une plus grande variété de produits qu'une chaîne de monopoles. Si le coût de lancement du nouveau produit est réparti équitablement entre les deux secteurs, ou supporté essentiellement par l'amont, une concurrence imparfaite dans le secteur aval ne restaure que partiellement les incitations à innover de la structure verticale. En revanche, si ce coût est supporté principalement par le secteur aval, la concurrence en aval peut amener plus d'innovation que dans une structure verticalement intégrée.

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Paper provided by HAL in its series Working Papers with number hal-00243032.

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Date of creation: 2006
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Handle: RePEc:hal:wpaper:hal-00243032
Note: View the original document on HAL open archive server: http://hal.archives-ouvertes.fr/hal-00243032/en/
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  1. Bonanno, Giacomo & Vickers, John, 1988. "Vertical Separation," Journal of Industrial Economics, Wiley Blackwell, vol. 36(3), pages 257-65, March.
  2. repec:cup:cbooks:9780521016919 is not listed on IDEAS
  3. Joseph J. Spengler, 1950. "Vertical Integration and Antitrust Policy," Journal of Political Economy, University of Chicago Press, vol. 58, pages 347.
  4. repec:cup:cbooks:9780521816632 is not listed on IDEAS
  5. Howard Marvel & James Peck, 2000. "Vertical Control, Retail Inventories & Product Variety," Working Papers 00-09, Ohio State University, Department of Economics.
  6. Martin A. Lariviere & V. Padmanabhan, 1997. "Slotting Allowances and New Product Introductions," Marketing Science, INFORMS, vol. 16(2), pages 112-128.
  7. Boone, Jan, 2001. "Intensity of competition and the incentive to innovate," International Journal of Industrial Organization, Elsevier, vol. 19(5), pages 705-726, April.
  8. Brocas, Isabelle, 2003. "Vertical integration and incentives to innovate," International Journal of Industrial Organization, Elsevier, vol. 21(4), pages 457-488, April.
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