Prices and Deadweight Loss in Multi-Product Monopoly
AbstractThis paper provides a thorough analysis of oligopolistic markets with positive demand-side network externalities and perfect compatibility. The minimal structure imposed on the model primitives is such that industry output increases in a firm's rivals' total output as well as in the expected network size. This leads to a generalized equilibrium existence treatment that includes guarantees for a nontrivial equilibrium, and some insight into possible multiplicity of equilibria. We formalize the concept of industry viability and show that it is always enhanced by having more firms in the market and/or by technological improvements. We also characterize the e¤ects of market structure on industry performance, with an emphasis on departures from standard markets. The approach relies on lattice-theoretic methods, which allow for a unified treatment of various general results in the literature on network goods. Several illustrative examples with closed-form solutions are also provided.
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Bibliographic InfoPaper provided by Center for Research in Economic Analysis, University of Luxembourg in its series CREA Discussion Paper Series with number 10-15.
Date of creation: 2010
Date of revision:
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multi-product monopoly prices; interdependent products; pricing complements; pricing substitutes; linear demand;
Find related papers by JEL classification:
- L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
- D42 - Microeconomics - - Market Structure and Pricing - - - Monopoly
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-01-03 (All new papers)
- NEP-COM-2011-01-03 (Industrial Competition)
- NEP-IND-2011-01-03 (Industrial Organization)
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