Unilateral Effects

Unilateral Effects is a theory of competitive harm in merger analysis whereby a merger is presumed to lead to a significant lessening of competition because the merged entity, acting independently, would have both the incentive and ability to profitably raise prices or reduce output unilaterally in a relevant market without coordination with other firms.

Publications

2.7K

Citations

Authors

Institutions

Publications per year

2017–2026

Variants

Non-coordinated Effects

Parents

Merger Control

Children

Aspirational CompetitionDominant Firm TheoryInternalization Of CompetitionMerger Retrospective AnalysisProduct Variety Effects

Publications

Antitrust Evaluation of Horizontal Mergers: An Economic Alternative to Market Definition

Joseph Farrell, Carl Shapiro · The B E Journal of Theoretical Economics · 2010 · 332 citations

Law, Business Economics, Economics +17

Effects of asymmetries in owner-intruder conflicts

Olof Leimar, Magnus Enquist · Journal of Theoretical Biology · 1984 · 225 citations

Social Sciences, Conflict Studies, Conflict Resolution +5

Did Antitrust Policy Cause the Great Merger Wave?

George Bittlingmayer · The Journal of Law and Economics · 1985 · 144 citations · Full text

Law, Business Economics, Competition Law +13

Antitrust Evaluation of Horizontal Mergers: An Economic Alternative to Market Definition

Joseph Farrell, Carl Shapiro · SSRN Electronic Journal · 2010 · 141 citations · Full text

Law, Business Economics, Economics +17

Competition and Integration among Stock Exchanges in Europe: Network Effects, Implicit Mergers and Remote Access

Carmine Di Noia · European Financial Management · 2001 · 102 citations

Social Sciences, Economics, Finance +12

1–5 of 62

Authors

CS
Carl Shapiro
University of California, Berkeley, United States
4 publications · 516 citations
4
h-index
VN
Volker Nocke
University of Mannheim, Germany
3 publications · 128 citations
3
h-index
MB
Malcolm B. Coate
Federal Trade Commission, United States
3 publications · 50 citations
3
h-index
GJ
Gregory J. Werden
United States Department of Justice, United States
3 publications · 110 citations
3
h-index
SM
Serge Moresi
Georgetown University, United States
3 publications · 180 citations
3
h-index

1–5 of 94

Institutions

1–8 of 64

Venues

SSRN Electronic Journal
Repository · 12 publications · 511 citations
11
h-index
Review of Industrial Organization
RIO · 4 publications · 109 citations
4
h-index
Economics Letters
3 publications · 158 citations
3
h-index
RePEc: Research Papers in Economics
Repository · 2 publications · 29 citations
2
h-index
National Bureau of Economic Research
Repository · 2 publications · 37 citations
2
h-index

1–5