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Horizontal cooperation on investment: Evidence from mobile network sharing

Cojoc, Anca, Ivaldi, Marc, Maier-Rigaud, Frank P. and März, Oliver (2020) Horizontal cooperation on investment: Evidence from mobile network sharing. TSE Working Paper, n. 20-1100, Toulouse

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Abstract

We present a structural model to investigate the effects of horizontal cooperation on investment in the context of telecommunication networks. More specifically, we estimate the effect of network sharing in the mobile telecommunications industry on prices, network quality and consumer welfare. The presented framework allows estimating the effects of different types of sharing agreements including common ownership of shared assets in a joint venture company or collaboration via geographical separation (geo-split principle). The proposed identification strategy relies on differences in the costs of network deployment of shared versus non-shared network infrastructure, with different costs affecting operators’ optimal choice of price and network quality. We apply the structural model to estimate the effects of a network sharing agreement in the Czech Republic, using a combination of unique datasets on prices, network quality measured as average download speed and operator’s costs of network deployment. The results of our model indicate that horizontal cooperation on investments may be beneficial for consumers. Specifically, the network sharing agreement under study generated cost savings for the sharing parties, which were passed-on to consumers in the form of lower prices and higher average download speed. Our findings are of relevance to the assessment of network sharing agreements, which, considering the substantial investment cost associated with the 5G technology, are likely to play an even greater role in the telecommunications industry in the future. The findings are also of relevance to the general literature on horizontal cooperation on investments.

Item Type: Monograph (Working Paper)
Language: English
Date: May 2020
Place of Publication: Toulouse
Uncontrolled Keywords: mobile telecommunication networks, network sharing, cooperation on investment, 4G, 5G, horizontal cooperation, empirical industrial organization
JEL Classification: L11 - Production, Pricing, and Market Structure; Size Distribution of Firms
L40 - General
L96 - Telecommunications
Subjects: B- ECONOMIE ET FINANCE
Divisions: TSE-R (Toulouse)
Institution: Université Toulouse 1 Capitole
Site: UT1
Date Deposited: 07 May 2020 12:23
Last Modified: 07 May 2020 12:23
OAI Identifier: oai:tse-fr.eu:124252
URI: http://publications.ut-capitole.fr/id/eprint/34925

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