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An economic analysis of platform sharing

In: Organizational Innovation and Firm Performance

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  • Arghya Ghosh
  • Hodaka Morita

Abstract

We explore the managerial implications and economic consequences of platform sharing under models of horizontal and vertical product differentiation. By using a common platform across different products, firms can save on fixed costs for platform development. At the same time, platform sharing imposes restrictions on firms' ability to differentiate their products, and this reduces their profitability. It might appear that platform sharing across firms makes consumers worse off because firms cooperate in their product development processes to maximize their joint profit. We find, however, that platform sharing across firms benefits consumers in our framework because it intensifies competition in our horizontal differentiation model, and because it increases the quality of the lower-end product in our vertical differentiation model. We also show new channels through which a merger makes consumers worse off in the presence of platform sharing.

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This chapter was published in:

  • George Baker & Takeo Hoshi & Hideshi Itoh & Sadao Nagaoka, 2008. "Organizational Innovation and Firm Performance," NBER Books, National Bureau of Economic Research, Inc, number bake08-1, October.
    This item is provided by National Bureau of Economic Research, Inc in its series NBER Chapters with number 12172.

    Handle: RePEc:nbr:nberch:12172

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    References

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    Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    1. Arghya Ghosh & Hodaka Morita, 2006. "Platform Sharing in a Differentiated Duopoly," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 15(2), pages 397-429, 06.
    2. Luca Lambertini & Sougata Poddar & Dan Sasaki, 1997. "RJVs in Product Innovation and Cartel Stability," CIE Discussion Papers 1997-13, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
    3. Lin, Ping & Saggi, Kamal, 2002. "Product differentiation, process R&D, and the nature of market competition," European Economic Review, Elsevier, vol. 46(1), pages 201-211, January.
    4. Lambertini, Luca & Poddar, Sougata & Sasaki, Dan, 2002. "Research joint ventures, product differentiation, and price collusion," International Journal of Industrial Organization, Elsevier, vol. 20(6), pages 829-854, June.
    5. Choi, Jay Pil, 1993. "Cooperative R&D with product market competition," International Journal of Industrial Organization, Elsevier, vol. 11(4), pages 553-571.
    6. Motta, Massimo, 1992. "Cooperative R&D and vertical product differentiation," International Journal of Industrial Organization, Elsevier, vol. 10(4), pages 643-661, December.
    7. Suzumura, Kotaro, 1992. "Cooperative and Noncooperative R&D in an Oligopoly with Spillovers," American Economic Review, American Economic Association, vol. 82(5), pages 1307-20, December.
    8. Waldman, Michael, 1996. "Durable Goods Pricing When Quality Matters," The Journal of Business, University of Chicago Press, vol. 69(4), pages 489-510, October.
    9. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
    10. Kamien, Morton I & Muller, Eitan & Zang, Israel, 1992. "Research Joint Ventures and R&D Cartels," American Economic Review, American Economic Association, vol. 82(5), pages 1293-306, December.
    11. V. Krishnan & Saurabh Gupta, 2001. "Appropriateness and Impact of Platform-Based Product Development," Management Science, INFORMS, vol. 47(1), pages 52-68, January.
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    Cited by:
    1. Bourreau, Marc & Dogan, Pinar, 2010. "Cooperation in Product Development and Process R&D Between Competitors," Scholarly Articles 4863170, Harvard Kennedy School of Government.
    2. Ding, Ke, 2013. "Platforms and firm capabilities : a study of emerging global value chains," IDE Discussion Papers 432, Institute of Developing Economies, Japan External Trade Organization(JETRO).

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