Jullien, Bruno and Sand-Zantman, Wilfried (2021) The Economics of Platforms: A Theory Guide for Competition Policy. Information Economics and Policy, vol.54 (100880).

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Identification Number : 10.1016/j.infoecopol.2020.100880


We propose an analysis of platform competition based on the academic literature with a view towards competition policy. First, we discuss to which extent competition can emerge in digital markets and show which forms it can take. In particular, we underline the role of dynamics, but also of platform differentiation, consumers multi-homing and beliefs to allow competition in platform markets. Second, we analyze competition policy issues and discuss how rules designed for standard markets can perform in two-sided markets. We show that multi-sided externalities create new opportunities for anti-competitive conducts, often related to pricing and contractual imperfections.

Item Type: Article
Language: English
Date: March 2021
Refereed: Yes
Place of Publication: Amsterdam
Uncontrolled Keywords: Networks, Platforms, Markets, Competition policy
JEL Classification: D82 - Asymmetric and Private Information
L13 - Oligopoly and Other Imperfect Markets
L41 - Monopolization; Horizontal Anticompetitive Practices
L86 - Information and Internet Services; Computer Software
Divisions: TSE-R (Toulouse)
Site: UT1
Date Deposited: 01 Sep 2021 08:26
Last Modified: 01 Sep 2021 08:26
OAI Identifier: oai:tse-fr.eu:125853
URI: https://publications.ut-capitole.fr/id/eprint/43764
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