Public Choice Theory is an economic theory that examines the behavior of individuals in the context of collective decision-making. It is based on the idea that people make decisions based on their own self-interest, and that these decisions can have an impact on the collective outcomes of a society. Public Choice
Public choice, or public choice theory, is "the use of economic tools to deal with traditional problems of political science". It includes the study of political behavior. In political science, it is the subset of positive political theory that studies self-interested agents and their interactions, which can be represented in a number of ways—using standard constrained utility maximization, game theory, or decision theory. It is the origin and intellectual foundation of contemporary work in political economics.