Areas of economics may be divided or classified into various types, including:
* microeconomics and macroeconomics
* positive economics ("what is") and normative economics ("what ought to be")
* mainstream economics and heterodox economics
* fields and broader categories within economics.
One of the uses of economics is to explain how economies, as economic systems, work and what the relations are between economic players (agents) in the larger society. Methods of economic analysis have been increasingly applied to fields that involve people (officials included) making choices in a social context, such as crime, education, the family, health, law, politics, religion, social institutions, and war.