Unemployment compensation is an example of a(n):

A decrease in the rate of interest, other things being equal, will cause a:

a. rightward shift of the investment demand curve. b. movement upward along the investment demand curve. c. movement downward along the investment demand curve. d. leftward shift of the investment demand curve.

Sunk costs should be ignored in decision making because they

a. increase the cost of the transaction b. lead to an increase in the opportunity cost of any decision c. have already been paid d. often exceed marginal and average costs e. are usually negligible when compared with the explicit costs of decisions