A branch of the social sciences that takes as its principal subject of study the interrelationships between political and economic institutions and processes. That is, political economists are interested in analyzing and explaining the ways in which various sorts of government affect the allocation of scarce resources in society through their laws and policies as well as the ways in which the nature of the economic system and the behavior of people acting on their economic interests affects the form of government and the kinds of laws and policies that get made.

[See also: economics, political science]