Refer to Table 9-9. Suppose that the data in the table above reflect the price levels in the economy. Given that data, we can say that the cost of living rose by ________ between 2015 and 2016?

The theorists of the rational expectations school:

a. favor monetary rules because they believe individuals know too little about how the economy works b. favor monetary rules so that workers and firms do not get any unanticipated surprises from the Fed. c. are those who favor an "active approach" to policy and reject monetary rules. d. oppose any monetary rules because they believe rules impede the natural self-correcting mechanism of the economy. e. do not believe in implementing discretionary policies.

The rivalry versus nonrivalry issue is

A. relevant to the issue of market failure. B. not relevant to the issue of market failure. C. relevant to the free-rider problem. D. a and c E. b and c