Competition and access price regulation in the broadband market
We construct a model for differentiated Cournot competition between service-based and infrastructure-based firms, out of which one infrastructure-based firm (the incumbent) supplies to the service-based firms. We seek for and compare the socially optimal and the incumbent’s profit maximizing access price in two scenarios: (i) service-based firms and incumbent supply homogeneous services (partial differentiation), and (ii) all services are horizontally differentiated (uniform differentiation). We show that in both cases the incumbent never forecloses service-based firms if infrastructure-based competition is present or if services are somewhat differentiated. Under uniform differentiation the welfare optimizing access price is below marginal cost, hence the incumbent subsidizes the production of service-based firms and makes zero profit. In the case of partial differentiation, the same result obtains when both markets are concentrated. However, if markets are not concentrated, the socially optimal access fee exceeds the marginal cost.
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- Ingo Vogelsang, 2003. "Price Regulation of Access to Telecommunications Networks," Journal of Economic Literature, American Economic Association, vol. 41(3), pages 830-862, September.
- Distaso, Walter & Lupi, Paolo & Manenti, Fabio M., 2006.
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Information Economics and Policy,
Elsevier, vol. 18(1), pages 87-106, March.
- Walter Distaso & Paolo Lupi & Fabio M. Manenti, 2005. "Platform Competition and Broadband Uptake: Theory and Empirical Evidence from the European Union," Industrial Organization 0504019, EconWPA.
- Bourreau, Marc & Hombert, Johan & Pouyet, Jerome & Schutz, Nicolas, 2007.
"Wholesale Markets in Telecommunications,"
CEPREMAP Working Papers (Docweb)
- Michiel Bijlsma & Viktoria Kocsis & Victoria Shestalova & Gijsbert Zwart, 2008. "Vertical foreclosure: a policy framework," CPB Document 157, CPB Netherlands Bureau for Economic Policy Analysis.
- Jean-Jacques Laffont & Jean Tirole, 2001. "Competition in Telecommunications," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262621509, June.
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