Savers and investors interact through intermediaries in financial capital markets.

Suppose the inverse demand curve for a good is expressed as Q = 50 - 2p. If the good currently sells for $3, then the price elasticity of demand is

A) -3 ? (2/50). B) -2 ? (50/3). C) -2 ? (3/44). D) -3 ? (44/2).

Which of the following signals the start of a new expansion?

a. A boom period b. A peak c. An inflation d. A contraction e. A trough