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Competition in two-sided markets

Bibliographic Data

ID23367476
AuthorsMark Armstrong (0000-0003-0962-8112, Wardell Armstrong (United Kingdom), corresponding author)
Year2006
Volume37
Issue3
Pages668-691
Publication date2006-09-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueThe RAND Journal of Economics (JOURNAL)
Journal identifiersISSN: 0741-6261 • E-ISSN: 1756-2171
PublisherWiley (PUBLISHER • GB)
DOI10.1111/j.1756-2171.2006.tb00037.x
OpenAlexW2169544344
LanguageEN
Citations received106
References cited17

Many markets involve two groups of agents who interact via “platforms,“ where one group's benefit from joining a platform depends on the size of the other group that joins the platform. I present three models of such markets: a monopoly platform; a model of competing platforms where agents join a single platform; and a model of “competitive bottlenecks” where one group joins all platforms. The determinants of equilibrium prices are (i) the magnitude of the cross-group externalities, (ii) whether fees are levied on a lump-sum or per-transaction basis, and (iii) whether agents join one platform or several platforms.

Business · Combinatorics · Competition (biology) · Database · Database transaction · Economics · Externality · Group (periodic table) · Industrial organization · Join (topology) · Joins · Microeconomics · Monopoly · Network effect · Computer Science · Consumer Market Behavior and Pricing · Digital Platforms and Economics · Mathematics · Merger and Competition Analysis

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Unique citing works106
Citations per year5,3
Citation span2006 - 2026 (21)
Citation velocitycurrent
Highly citedYes
Citation typesNeutral: 105

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