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Buying Components

Author

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  • Bruno Jullien

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Matthieu Bouvard

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • David Martimort

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

We study how the organizational structure of producers affects competition between systems. We model systems as differentiated bundles of complementary components, where components within each system are produced either by a single firm (integration) or by two distinct firms (disintegration). When information about buyers' preferences is symmetric, disintegration typically increases prices and reduces total welfare as the less efficient system gains market share relative to integration. In addition, when buyers' preferences are private information, disintegration magnifies the quality distortions suppliers introduce to screen buyers and further reduces the market share of the more efficient system. Overall, the analysis suggests that technological standards that facilitate the combination of components from different suppliers can have adverse effects.

Suggested Citation

  • Bruno Jullien & Matthieu Bouvard & David Martimort, 2026. "Buying Components," Working Papers hal-05461307, HAL.
    • Handle: RePEc:hal:wpaper:hal-05461307
    Note: View the original document on HAL open archive server: https://hal.science/hal-05461307v1
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    File URL: https://hal.science/hal-05461307v1/document
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