In the opinion of many people, ________ is the main problem of international law.

A production possibilities frontier will be bowed out if

a. there is scarcity b. resources are used efficiently c. production of one good involves an opportunity cost d. resources are not perfectly adaptable to making each good e. technology is improving

An import quota specifies

A) the amount of funds that can be paid for any imported good. B) the amount of taxes that must be paid on any imported good. C) the maximum amount of an item that may be imported during a specified period. D) the minimum amount of an item that may be imported during a specified period.