When a firm in a monopolistically competitive market earns zero economic profit, its product price must equal marginal cost

When a lender refuses to make a loan, although borrowers are willing to pay the stated interest rate or even a higher rate, the bank is said to engage in

A) coercive bargaining. B) strategic holding out. C) credit rationing. D) collusive behavior.

An example of a macroeconomic model is one that considers

a. how the price of chicken influences the quantity of chicken bought. b. why the size of the total national output depends on the size of total spending. c. how the output of a product is influenced by the cost of production for the product. d. All of these.