Argentina's experience since 1990 suggests that adopting a currency board imposes strict discipline on the country's fiscal policies.

Imagine a country that is immense in size, has extensive resources, and is positioned in a geostrategic location of great importance. At some point in the future, it may very well be asked to join which group of countries?

Entry barriers are most significant in

A) pure competition. B) monopolistic competition. C) oligopoly. D) pure monopoly.