This paper studies the mid-September 2019 stress in U.S. money markets: On September 16 and 17, unsecured and secured funding rates spiked up and, on September 17, the effective federal funds rate broke the ceiling of the Federal Open Market Committee (FOMC) target range. We highlight two...

Banks are compensated primarily through the net interest margin (NIM), which is the difference between the interest earned on their investments and the interest paid to their depositors and other creditors. In the low interest rate environment that has persisted since the Great Recession, banks...