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Federal Reserve Bank of San Francisco
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Why Have Negative Nominal Interest Rates Had Such a Small Effect on Bank Performance? Cross Country Evidence
Jose A. Lopez
Andrew K. Rose
Mark M. Spiegel
Abstract

We examine the effect of negative nominal interest rates on bank profitability and behavior using a cross-country panel of over 5,100 banks in 27 countries. Our data set includes annual observations for Japanese and European banks between 2010 and 2016, which covers all advanced economies that have experienced negative nominal rates, including currency union members as well as both fixed and floating exchange rates countries. When we compare negative nominal interest rates with low positive rates, banks experience losses in interest income that are almost exactly offset by savings on deposit expenses and gains in non-interest income, including capital gains on securities and fees. We find heterogeneous effects of negative rates: floating exchange rates, small banks, and banks with low deposit ratios drive most of our results. Low-deposit banks have enjoyed particularly striking gains in non-interest income, likely from capital gains on securities. There have only been modest differences between high and low deposit-ratio banks’ changes in interest expenses; high deposit banks do not seem disproportionately vulnerable to negative rates. Overall, our results indicate surprisingly benign implications of negative rates for commercial banks thus far.


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Jose A. Lopez & Andrew K. Rose & Mark M. Spiegel, Why Have Negative Nominal Interest Rates Had Such a Small Effect on Bank Performance? Cross Country Evidence, Federal Reserve Bank of San Francisco, Working Paper Series 2018-7, 20 Jun 2018.
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DOI: 10.24148/wp2018-07
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