Suppose an economy has a government budget surplus of $100, net exports of -$400, and a planned investment level of $1,000 . For this economy to be in equilibrium, saving must equal:

In terms of importance, what place does the advent of the euro hold in economic history?

A) It is an important innovation in the evolution of fixed exchange rates. B) It is an interesting experiment from which we can learn lessons. C) It is a bold experiment, affecting hundreds of millions of people in one of the most prosperous economic regions. D) In the grand scheme of things, the euro is less important than the fixed exchange rate scheme devised in Bretton Woods, New Hampshire.

The above figures show the market for gasoline. Which figure(s) shows the effect of a decision by the OPEC countries in the Middle East to export less oil to the rest of the world?

A) Figure B B) Figure C C) Figure D D) Figures B and C