In a closed economy, the supply of goods and services must be equal to:

A variety of indicators such as goods and labor market integration, differing unemployment rates, and the lack of fiscal federalism have prompted most economists to:

A) herald the success of the Eurozone. B) conclude that the Eurozone has performed better than the United States in nearly every category. C) conclude that the Eurozone has not been (and is not now) an optimal currency area going back to the 1990s. D) recommend changes to the new currency to make it more responsive to demand shocks.

The quantity theory of money assumed

A) that an increase in prices causes a proportionate increases in real GDP. B) a fall in the velocity of money causes a proportionate increase in the money supply. C) a rise in money supply causes a proportionate fall in velocity. D) the fraction of income people desire to hold in the form of money is a constant.