In 2014, the United States ran a trade deficit of 3.1 percent of GDP.

According to the theory based on rational expectations and flexible wages and prices,

A) only the combination of discretionary fiscal policy and conservative monetary policy can affect real GDP in the long run. B) neither fiscal nor monetary policy influence real GDP in the long run. C) fiscal policy has less effect on real GDP than monetary policy in the long run. D) monetary policy has less effect on real GDP than fiscal policy in the long run.

All of the following are examples of stock variables except one. Which one?

a. The amount of currency in circulation b. The amount of money earned each week c. The amount of money needed to construct a new building d. The amount of money in a person's savings account e. The amount of money at the Fed