During some year a country had exports of $50 billion, imports of $70 billion, and domestic investment of $100 billion. What was its saving during the year?

New Keynesians conclude that

A) appropriate activist policies will increase the length of cyclical fluctuations. B) appropriate activist policies will have an known effect on the length of cyclical fluctuations. C) appropriate activist policies can dampen cyclical fluctuations. D) none of the above.

Suppose that the labor movement has a revival in the United States and the majority of workers join labor unions. As a result we would expect

A) the unemployment rate to fall. B) the unemployment rate to rise. C) the labor force participation rate to fall. D) no change in the unemployment rate or labor force participation rate.