1. If pollution is associated with the production of some good, then
a) too little of the good is being produced by the firm
b) marginal social cost minus marginal private cost is negative
c) marginal social cost minus marginal private cost is positive
d) the marginal social cost is less than the marginal social benefit
e) the price of the good is equal to the firms' marginal private cost
2. The natural rate of unemployment is:
a. higher than the full-employment rate of unemployment.
b. lower than the full-employment rate of unemployment.
c. that rate of unemployment occurring when the economy is at its potential output.
d. found by dividing total unemployment by the size of the labor force.