The exchange rate is the
A) opportunity cost of pursuing a nation's comparative advantage.
B) price of one country's currency expressed in terms of another country's currency.
C) ratio between imports and exports.
D) interest rate that is charged on risk-free international capital flow.
Question 2
Let C represent consumption expenditure, S saving, I gross private domestic investment, G government expenditure on goods and services, and X - M net exports of goods and services. Then GDP equals
A) C + S + G + X - M.
B) C + S + G - X - M.
C) C + I + G + X - M.
D) C + I + G - X - M.
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