The situation of not engaging in international trade; self-sufficiency. (Not to be confused with "autarchy," which in at least some dictionaries is a political term rather than an economic one, and means absolute rule or power.)
national self-sufficience; economic non-intercourse
Doctrine of self-sufficiency that calls for protecting a nation against interfering economic activity by other nations.
A situation of national self sufficiency in which there is no economic activity with foreigners.
Source: Federal Reserve Bank of Cleveland Definition: National economic self-sufficiency or independence.
In models of international trade, a situation in which there is no cross-border trade.
(popularly misspelled "autarchy"). The state or condition of a person, nation or geographic area of being economically or intellectually self-sufficient and thus not dependent on another for trade, knowledge or survival. OG. 72-78, 250, 284-86.
An autarky is an economy that limits trade with the outside world, or an ecosystem not affected by influences from its outside, and relies entirely on its own resources. In the economic meaning, it is also referred to as a closed economy.