If long-run average total cost is rising, then the firm is experiencing economies of scale

If interest rates fall, the opportunity cost of spending money today rather than tomorrow

a. rises. b. falls. c. rises only if the prices of goods today rise. d. falls only if the prices of goods today fall.

In a competitive resource market, a decrease in the demand for a productive resource, ceteris paribus, will cause all of the following except a(n):

A. Decrease in the price of the resource B. Increase in the price of the resource C. Decrease in the total income earned by all units of the resource D. Decrease in the number of units of the resource that are employed