Thursday, July 20, 2017

Complementary Monopolies and Multi-Product Firms

Michael Kopel, University of Graz, Clemens Löffler, Vienna University of Economics and Business, and Thomas Pfeiffer, University of Vienna - Accounting and Control offer Complementary Monopolies and Multi-Product Firms.

ABSTRACT:  According to the classical result on complementary monopolies, a single-product firm unambiguously prefers purchasing complementary inputs from an integrated monopolistic supplier rather than from different non-integrated monopolistic suppliers. In this note, we account for the fact that firms often manufacture multiple products and show that the classical result on complementary monopolies can be reversed in such a case. Purchasing complementary inputs from non-integrated suppliers can be optimal for multi-product firms.

https://lawprofessors.typepad.com/antitrustprof_blog/2017/07/complementary-monopolies-and-multi-product-firms-1.html

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