A vertical line has a slope of

A graph showing the values of an economic variable for different groups in a population at a point in time is called a

A) cross-section graph. B) time-series graph. C) scatter diagram. D) Venn diagram. E) None of the above answers is correct.

Which of the following does NOT occur if Home starts a policy of permanent fiscal expansion:

A) Home's exchange rate increases. B) Foreign's interest rate rises. C) Home output rises. D) Foreign output rises. E) Current Account Balance increases.