An increase in the price of an input to a perfectly competitive industry will:
a. increase price and reduce the number of firms

A tax on imports of foreign goods is called a(n):

A) quota. B) subsidy C) tariff. D) export restriction.

Appreciation of the euro relative to the dollar means that the

A. dollar price of the euro has fallen. B. euro price of gold has risen. C. euro prices of U.S. goods exported to the nation's that adopted the euro as its currency have fallen. D. euro is cheaper for Americans.