Consumption-possibility frontier
Encyclopedia
The CPF, or consumption–possibility frontier, is the budget constraint
Budget constraint
A budget constraint represents the combinations of goods and services that a consumer can purchase given current prices with his or her income. Consumer theory uses the concepts of a budget constraint and a preference map to analyze consumer choices...

 where participants in international trade
International trade
International trade is the exchange of capital, goods, and services across international borders or territories. In most countries, such trade represents a significant share of gross domestic product...

 can consume. Under autarky
Autarky
Autarky is the quality of being self-sufficient. Usually the term is applied to political states or their economic policies. Autarky exists whenever an entity can survive or continue its activities without external assistance. Autarky is not necessarily economic. For example, a military autarky...

 this constraint is identical to the production–possibility frontier.http://ingrimayne.com/econ/ActionsResults/Exchange.htmlhttp://www.colorado.edu/Economics/courses/econ2020/section2/section2-main.htmlhttp://www.questia.com/googleScholar.qst;jsessionid=LhyfLn2MjbpzpyGGXNylZJThwr2v08r8FzlywvzLJvsW96yjL7P4!-1569404826?docId=95859775
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