Which of the following U.S. government securities are nonmarketable?

Most economists believe that price indices

A) understate inflation and understate growth in real GDP. B) understate inflation and understate growth in nominal GDP. C) overstate inflation and understate growth in real GDP. D) overstate inflation and understate growth in nominal GDP.

One reason why property rights help achieve an efficient level of pollution is because property rights

A) force the marginal private cost to equal the marginal social cost. B) force the marginal social cost to zero. C) force the marginal external cost to a lower level than marginal private cost. D) eliminate marginal private costs. E) change the marginal external cost so that they are equal to the marginal social benefit.