If firms in a competitive market are NOT identical, then the long-run market supply curve will be

Government failure, when government actions lead to inefficiency, can result in

A) overprovision. B) underprovision. C) both A and B. D) neither A nor B.

Those economists who argue that the European Union is not a true optimal currency area cite _______________ and __________________ as justifications for this position

A) differences in culture; decreased labor mobility B) differences in language; culture C) decreased labor mobility; language differences D) none of the above