An individual who continuously bids for securities that investors want to sell and offers securities that investors want to buy is known as a(n)

A corporation is likely to "call" a bond if

A) it goes bankrupt. B) it has short-term liquidity problems. C) interest rates fall sharply. D) interest rates rise sharply.

Which of the following activities is not counted in our calculations of GDP?

a. the purchase of a hammer for household repairs b. the labor services of a volunteer group building a home for a poor widow c. the purchase of new, domestically-produced tires for your old foreign car d. a haircut received and paid for at a beauty salon