Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Monday, May 17, 2010

Vertical Integration and Patent Licensing in Upstream and Downstream Markets

Posted by D. Daniel Sokol

Fehmi Bouguezzi (LEGI and Faculty of Management and Economic Sciences of Tunis) and Moez EL ELJ (LEGI - Laboratory of Economics and Industrial Management EPT - Polytechnic School of Tunisia ISG - High Institute of Management - Tunisia) describe Vertical Integration and Patent Licensing in Upstream and Downstream Markets.

ABSTRACT: The present paper studies and compares different vertical integration structures on consumers and total surplus with licensing by mean of a fixed fee in two successive homogeneous-good Cournot duopolies where one of the firms in each market has a different cost-reducing innovation. The key difference between the present model and models in the existing literature is that here we suppose the existence of two different patents in upstream and downstream markets. In each market we find two firms: the patent holding firm and a non innovative firm. In upstream market, the innovative firm owns an innovation allowing to reduce the input marginal production cost. In downstream market the innovative firm owns an innovation allowing to reduce marginal cost of transforming the input into output. We discuss different structures of vertical integration and we show that consumer surplus and total surplus are depending of cost-reducing! innovation in upstream and downstream markets and the structure of vertical integration.

http://lawprofessors.typepad.com/antitrustprof_blog/2010/05/vertical-integration-and-patent-licensing-in-upstream-and-downstream-markets-.html

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