Mobile Only Users Powered by Fixed-Mobile Substitution

26 Pages Posted: 26 Jul 2012 Last revised: 1 Feb 2014

See all articles by Julienne Liang

Julienne Liang

France Telecom

Marc Petulowa

Université Montpellier I, Department of Economics, Students; France Telecom Orange Group

Date Written: August 10, 2012

Abstract

In a context of partial fixed-mobile substitution, we analyze fixed-mobile bundling and mobile-to-fixed offloading in a duopoly model in which consumers buy one or two products. A joint purchase discount mitigates fixed-mobile substitutability and consequently reduces 'mobile-only' and 'fixed-only' consumers. Practices like introducing a small discount, applied on a bundle of multiple service or mobile-to-fixed offloading by both operators are analyzed. We find that such practices do not have negative impacts on the profits of whole market and lead to both consumers’ surplus and welfare gains. The investment incentives in fixed network are positive and can be boosted by FM bundling without considering regulatory intervention and before taking into account of fixed costs. The investment incentives in mobile network are more likely a situation of prisoners’ dilemma where operators should invest as long as there are 'mobile-only'-consumers.

Keywords: fixed-mobile substitution, bundling, mobile to fixed offloading, welfare, competition

JEL Classification: C72, D43, D42, D41, L13, L21, L51

Suggested Citation

Liang, Julienne and Petulowa, Marc, Mobile Only Users Powered by Fixed-Mobile Substitution (August 10, 2012). Available at SSRN: https://ssrn.com/abstract=2116943 or http://dx.doi.org/10.2139/ssrn.2116943

Julienne Liang (Contact Author)

France Telecom ( email )

France

Marc Petulowa

Université Montpellier I, Department of Economics, Students ( email )

Avenue Raymond Dugrand, CS 79606
Montpellier Cedex 1, F-34000
France

France Telecom Orange Group ( email )

78 rue Olivier de Serres
Paris, Seine 75015
France

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