For a perfect competitor, price equals
A) marginal revenue only.
B) average revenue only.
C) both average revenue and marginal revenue.
D) neither marginal revenue nor average revenue.
C
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Suppose that Argentina's dollar-denominated external assets and liabilities are $10 billion and $100 billion, respectively, and its Argentine peso-denominated external assets and liabilities are each 50 billion pesos (P). Suppose further that Argentina fixes its exchange rate at P1 = $US1. What is the dollar value of Argentina's total external wealth?
A) -$60 billion B) -$150 billion C) -$90 billion D) -$210 billion
Which of the following changes while moving along the aggregate demand curve?
A) future incomes of households B) the price level C) the amount of money in the economy D) future profits from investment projects