How Central Banks Take Decisions: An Analysis of Monetary Policy Meetings

Abstract

More than eighty central banks use a committee to take monetary policy decisions. The composition of the committee and the structure of the meeting can affect the quality of the decision making. In this chapter we review economical, experimental, sociological, and psychological studies to identify criteria for the optimal institutional setting of a monetary committee. These include the optimal size of the committee, measures to encourage independent thinking, a relatively informal structure of the meeting, and abilities to identify and evaluate individual members' performances. Using these criteria, we evaluate the composition and operation of monetary policy committees in more than forty central banks worldwide. Our findings indicate that, for example, the monetary policy committee of the Bank of England follows committee best practice, while the committee structure of other major central banks could be improved. Introduction In recent decades, central banks have undergone substantial transformations. One of the elements of the “quiet revolution” (Blinder 2004) in central banking has been a change in the way monetary policy decisions are taken: the “dictatorial central bank governor” of the past increasingly has been replaced by committees taking monetary policy decisions. Today, more than eighty central banks take monetary policy decisions in a committee. No country has ever replaced a monetary committee by a single decision maker (Mahadeva and Sterne 2000). In addition, central banks have become much more transparent (see van der Cruijsen and Eijffinger, this volume).

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