In June 2014 the ECB became the first major central bank to lower one of its key policy rates to negative territory. The theoretical and empirical literature is silent on whether banks’ reaction would be different when the policy rate is lowered to negative levels compared to a standard...

In this paper, we survey the nascent literature on the transmission of negative policy rates. We discuss the theory of how the transmission depends on bank balance sheets, and how this changes once policy rates become negative. We review the growing evidence that negative policy rates are...

We analyze the effect of negative monetary policy rates on banks, using detailed supervisory information from Switzerland. For identification, we compare changes in the behavior of banks that had different fractions of their central bank reserves exempt from negative rates. More affected banks...

This paper explores the impact of low (but) positive and negative market interest rates on euro area banks' net interest margin (NIM) and its components, retail lending and retail deposit rates. Using two proprietary bank-level data sets, I find a positive impact of the level of the short-term...