7. If Harry works for a trucking company that pays a wage fully indexed for inflation, and the price index increases from 110 to 120, his wage will increase by 10 percent.
(A)O
(B)X

3. Pigovian taxes enhance efficiency, but the cost to administer the tax frequently exceeds the revenue they raise for the government. (A)O(B)X

4. The supply curve of a firm in a competitive market is equal to average variable cost, above the minimum of marginal cost. (A)O(B)X

5. In the case of oligopoly markets, self-interest prevents cooperation and leads to an inferior outcome for the parties involved. (A)O(B)X

6. Although economic growth has raised the income of the typical family, the increase in inequality has prevented the poorest families from sharing in this greater economic prosperity. (A)O(B)X

8. The credit risk of a bond is the probability that the borrower will default. (A)O(B)X

9. A benefit of inflation is that it increases the variation of relative prices so that resources are more efficiently allocated. (A)O(B)X

10. Net foreign investment is the purchase of foreign assets by domestic residents minus the purchase of domestic assets by foreign residents, (A)O(B)X

1. When a payroll tax is enacted^ (A) the wage received by workers falls and the wage paid by firms rises. (B) the wage received by workers falls and the wage paid by firms falls. (C) the wage received by workers rises and the wage paid by firms falls. (D) the wage received by workers rises and the wage paid by firms rises,

2. Suppose the price of product X is reduced from $].4S to $1.25 and, as a result, the quantity of X demanded increases from 2,000 to 2,200. Using the midpoint method, the price elasticity of demand for X in the given price range (A) 2.00. (B) 1:55. (C) 1.00’ (D) 0.64.

3. Which of the following is NOT true about the multilateral approach to free trade? (A) The multilateral approach has the potential to result in freer trade than does the unilateral approach. (B) The multilateral approach may have a political advantage over the unilateral approach. (C) The multilateral approach is simpler than the unilateral approach. (D) NAFTA and GAIT are both multilateral approaches to free trade.