Discuss why, under each of these circumstances, a social cost-benefit analysis might differ from a private cost-benefit analysis:

a. The unemployment rate is 10 percent.

b. The government has imposed a tariff on the importation of textiles.

c. The government has imposed a quota on the importation of oil.

d. The government has imposed a tax on interest income.

e. The government has imposed price controls on natural gas.

f. The government has regulated airlines, so that prices exceed the competitive levels.