Record inflation in the euro area has led the ECB Governing Council to start raising its key interest rates. The effects on the domestic economy and spillover effects on foreign countries may primarily depend on whether exchange rates are floating or fixed. A new empirical study shows that, during the time of the Deutschmark, the Bundesbank’s monetary policy was transmitted to a significantly greater degree to neighbouring European countries with fixed exchange rates to the Deutschmark than to those with floating exchange rates to the Deutschmark.