Theoretical analysis reveals how union density enhances monetary policy transmission in the euro area, suggesting significant implications for employment protection legislation.
We examine how labour market institutions shape monetary policy transmission in euro area countries. A theoretical model suggests that higher union density flattens the Phillips curve, amplifying output responses while dampening the inflation effects of monetary shocks. This is empirically confirmed using an interacted panel VAR. In contrast, benefit replacement rates and employment protection legislation have a limited impact. Our findings point to a structural, not cyclical, driver of monetary policy effectiveness, highlighting the importance of labour market features. In a monetary union, such heterogeneity can lead to inefficient inflation and output differentials across member states.
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Boeck et al. (2025) studied this question.
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