Do We Really Need Central Bank Independence? A Critical Re-examination

Abstract
In this survey, we critically review the argument for central bank independence (CBI). We argue CBI is neither necessary nor sufficient for reaching monetary stability. First, CBI is just one potentially useful monetary policy design instrument among several. Second, CBI should not be treated as an exogenous variable, but instead attention should be devoted to the question of why central banks are made independent. CBI is chosen by countries under specific circumstances, which are related to their legal, political, and economic systems. Third, in a number of empirical studies, researchers found CBI is correlated with low inflation rates. By taking the endogeneity of CBI into account, however, there is no reason to believe the correlation between CBI and low inflation tells us anything about causality.

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