The logic of consequences is one of two ideal-typical modes of action articulated by James G. March and Johan P. Olsen, most influentially in their 1998 International Organization article "The Institutional Dynamics of International Political Orders." Under this logic, actors are understood as instrumentally rational: they survey alternatives, anticipate outcomes, weigh costs and benefits, and select the option that best advances their pre-existing preferences. Behavior is explained as a product of expected utility rather than identity, role, or normative appropriateness.
This logic underpins most rationalist approaches to international relations, including neorealism, neoliberal institutionalism, and rational-choice variants of foreign policy analysis. Realists such as Kenneth Waltz treat states as utility-maximizers pursuing security under anarchy; neoliberals like Robert Keohane argue that states cooperate when institutions reduce transaction costs and make compliance individually rational. Game-theoretic models — prisoner's dilemma, stag hunt, bargaining models of war — are direct expressions of consequentialist reasoning.
March and Olsen contrasted this logic with the logic of appropriateness, in which actors ask "what does a person like me do in a situation like this?" and follow rules tied to identity and role rather than calculated payoffs. Constructivists, including Alexander Wendt and Martha Finnemore, generally emphasize appropriateness, though most scholars now treat the two logics as complementary rather than mutually exclusive. Thomas Risse's 2000 work added a third "logic of arguing" based on Habermasian communicative action.
Key features of consequentialist action include:
- Exogenous preferences — interests are given prior to interaction.
- Strategic behavior — actors anticipate others' responses.
- Instrumental rationality — means are selected to achieve ends.
- Equilibrium outcomes — stability reflects mutual best-responses.
Critics argue the logic struggles to explain preference change, the power of norms over material incentives, and behavior in novel situations where probabilities cannot be meaningfully assigned.
Example
When the United States imposed tariffs on Chinese goods in 2018, both governments' tit-for-tat retaliation was widely analyzed as logic-of-consequences behavior, with each side calculating economic and political payoffs.
Frequently asked questions
James G. March and Johan P. Olsen developed the distinction in their work on institutions, most prominently in a 1998 International Organization article on international political orders.
Keep learning