International antitrust enforcement and multimarket contact

Jay Pil Choi, Heiko Gerlach

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


This article analyzes cartel formation and international antitrust enforcement when multinational firms operate in several jurisdictions with local antitrust authorities. We are concerned with how the sustainability of collusion in one local market is affected by the existence of collusion in other markets when they are linked by a negative demand relationship. The interdependence of cartel stability across markets leads to potential externalities in antitrust enforcement across jurisdictions. Local antitrust enforcement equilibrium enforcement may exhibit a nonmonotonicity in the degree of market integration. We compare it with globally optimal antitrust enforcement policy and discuss the role of international antitrust coordination.

Original languageEnglish
Pages (from-to)635-658
Number of pages24
JournalInternational Economic Review
Issue number2
Publication statusPublished - 2012 May

All Science Journal Classification (ASJC) codes

  • Economics and Econometrics


Dive into the research topics of 'International antitrust enforcement and multimarket contact'. Together they form a unique fingerprint.

Cite this