The market structure in which there is a single supplier of a good or service for which there is no close substitute is

A growing consensus among economists is that ________ policy is better suited for controlling GDP because of the promptness of ________ in making policy decisions

A) monetary, the Federal Reserve B) monetary, Congress C) fiscal, the Federal Reserve D) fiscal, Congress

By saying that the equation of exchange is an accounting identity, we mean that

A) it is useful for accountants, but not for economists. B) it identifies the key national income accounts. C) it is always true. D) it explains the effect of questionable accounting practices on macroeconomic performance.