If Carol's disposable income increases from $1,200 to $1,700 and her level of saving increases from minus $100 to a plus $100, her marginal propensity to:

According the principle of time inconsistency, the most important element of policy making is

a. predictability. b. transparency. c. credibility. d. judgment

Which statement is the most accurate?

A. The monopolist produces at the minimum point of its average total cost curve. B. The monopolist breaks even in the long run. C. The monopolist faces the entire industry demand curve. D. Nearly all monopolists are very large firms.