AbstractWe develop a general theoretical framework of trade on a platform on which buyers and sellers interact. The platform may be owned by a single large, or many small independent or vertically integrated intermediaries. We provide a positive and normative analysis of the impact of platform ownership structure on platform size. The strength of network effects is important in the ranking of ownership structures by induced platform size and welfare. While vertical integration may be welfare-enhancing if network effects are weak, monopoly platform ownership is socially preferred if they are strong. These are also the ownership structures likely to emerge.
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Bibliographic InfoPaper provided by Penn Institute for Economic Research, Department of Economics, University of Pennsylvania in its series PIER Working Paper Archive with number 04-029.
Length: 29 pages
Date of creation: 21 Jul 2004
Date of revision:
Two-Sided Markets; Network Effects; Intermediation; Product Diversity;
Other versions of this item:
- Nocke, Volker & Peitz, Martin & Stahl, Konrad O., 2004. "Platform Ownership," CEPR Discussion Papers 4657, C.E.P.R. Discussion Papers.
- Nocke, Volker & Peitz, Martin & Stahl, Konrad, 2004. "Platform Ownership," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 16, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.
- L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
- D40 - Microeconomics - - Market Structure and Pricing - - - General
This paper has been announced in the following NEP Reports:
- NEP-ALL-2005-01-02 (All new papers)
- NEP-BEC-2005-01-02 (Business Economics)
- NEP-COM-2005-01-02 (Industrial Competition)
- NEP-NET-2005-01-02 (Network Economics)
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