14) Suppose the socially-optimal quantity of good x is larger than the
market-equilibrium quantity of good x. Does the production of good x convey a
positive externality or does it convey a negative externality?
15) Table 19-2
Source: US Census Bureau and Mankiw’s calculations
Refer to Table 19-2. What are two possible hypotheses to explain the changes in
relative demand for high-skilled workers and low-skilled workers in recent years?
16) Consider two industries in which firms hold the following market shares:
Industry A: 25%, 20%, 18%, 15%, 8%, 7%, 4%, 2%, 1%
Industry B: 30%, 10%, 9%, 8%, 8%, 8%, 8%, 6%, 6%, 5%, 2%
What are the concentration ratios for each industry? Which is more competitive?
17) If the U.S. could produce 5 televisions per hour of labor and China could produce 3