Refer to the information above. Which of the following represents the level of investment needed to maintain constant capital per effective worker (K/NA) in this economy?

In 2012, the United States had

A) a current account deficit because imports were greater than exports. B) a current account deficit and a capital and financial account deficit. C) a capital and financial account deficit because exports were greater than imports. D) a current account surplus because imports were greater than exports. E) no change in U.S. official reserves.

Countries that use the euro as their currency face similar concerns as countries did during the years of the gold standard in that each are (were)

A) using a floating currency. B) unable to conduct fiscal policy. C) unable to conduct monetary policy. D) using currency which is backed by gold.