Two Contexts for Economics in Competition Law: Deterrence Effects and Competitive Effects

29 Pages Posted: 17 May 2018 Last revised: 31 May 2018

See all articles by Jan Broulík

Jan Broulík

New York University (NYU) - Jean Monnet Center

Date Written: May 17, 2018


Competition law accommodates two different contexts within which economics may be applied, each defined by a distinct type of cause-effect relationships. First, there are effects of competition law on business conduct (deterrence effects), embodying the fact that businesses take into account legal sanctions when planning their actions. The field studying these effects is Economic Analysis of Law. Second, there are effects of business conduct on competition (competitive effects), standing for the influence of businesses with market power on behavior of their customers, suppliers and competitors. This influence is analysed by Industrial Organization. Awareness of the distinction makes it possible to appreciate certain aspects of the application of economics to competition law issues. For instance, within the discourse on this application, the context of competitive effects receives significantly more attention than the context of deterrence effects. Also the often voiced observation that economics and competition law are closely related regards predominantly the former context.

Keywords: antitrust economics, deterrence effects, competitive effects, Economic Analysis of Law, Industrial Organization, Law and Economics

JEL Classification: K00, K21, K42, L40

Suggested Citation

Broulík, Jan, Two Contexts for Economics in Competition Law: Deterrence Effects and Competitive Effects (May 17, 2018). NYU Law and Economics Research Paper No. 18-16; TILEC Discussion Paper No. 2018-017. Available at SSRN: or

Jan Broulík (Contact Author)

New York University (NYU) - Jean Monnet Center ( email )

22 Washington Square North
New York, NY 10011
United States

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