The real interest rate equals the nominal interest rate ________ the inflation rate

If the marginal benefit of reducing emissions of some air pollutant is greater than the marginal cost

A) the marginal benefit will rise and the marginal cost will fall as further reductions are made. B) private businesses, rather the consumers, should be made to pay for the cost of further reductions. C) further reductions will make society better off. D) economic efficiency will be achieved when emissions are reduced to zero.

Must a corporation inform the SEC when it borrows from a commercial bank or through the private placements market?

A) Only from the private placements market B) Only from the commercial bank C) From both D) From neither