(social sciences, economics, political science, sociology) A theory that argues individual decisions are based on that individual's understanding of the costs and benefits of a given action, shaped throughout the assumptions of self-interest and rational actors.

A hypothesis that explains how flora and fauna migrated between Eurasia and Africa via a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a "wet-green Sahara" phase, during which larger lakes and more rivers existed.

Synonym of white replacement theory

A branch of chemical engineering that uses geometric and mathematical optimization concepts to assist in the design of networks of chemical reactors.

A simple cognitive architecture developed to account qualitatively for a large set of matched pairs of conscious and unconscious processes.

(economics, political science) Alternative form of labor value theory.

(economics, political science) Alternative form of labor theory of value.

(economics, political science) Alternative form of labor theory of value.

Alternative form of abrupt appearance theory

Alternative form of broken windows theory