Abstract
This paper analyzes the monetary policy of the European Central Bank (ECB) both before and after the outbreak of the global financial crisis in 2008. In the literature, researchers typically select one Taylor rule-based model to analyze monetary policy of central banks and to derive determinants for the interest rate setting. However, uncertainty about the choice of this respective model is typically neglected. In contrast, we apply a Bayesian model averaging (BMA) approach to extend the Taylor rule to account for model uncertainty driven by heterogeneity in the ECB’s decision-making body, the Governing Council. Our results suggest the following: First, the ECB focuses on the inflation rate when setting interest rates. Second, economic activity indicators were in the focus of the ECB before the financial crisis. Third, over the last decade, the role of economic activity decreased, indicating that inflation is the main driver of monetary policy decisions in the post-crisis period. Fourth, when setting interest rates, central bankers appear to consider more than one model.
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