____________ solves the mutual coincidence of wants problem

Because of the shortcomings of concentration ratios, some economists prefer another measure of competition called

A) the Herfindahl-Hirschman Index. B) the Economic Profit Index. C) the Competition Index. D) the Marginal Revenue-Marginal Cost Index.

There are two types of open market operations: ________ open market operations are intended to change the level of reserves and the monetary base, and ________ open market operations are intended to offset movements in other factors that affect the

monetary base. A) defensive; dynamic B) defensive; static C) dynamic; defensive D) dynamic; static