Large-scale asset purchases by the Federal Reserve as well as new Basel III banking regulations have led to important changes in U.S. money markets. Most notably, the interbank market has essentially disappeared with the dramatic increase in excess reserves held by banks. We build a model in the...

We offer a parsimonious model of the reserve demand to study the tradeoffs associated with various monetary policy implementation frameworks. Prior to the 2007-09 financial crisis, many central banks supplied scarce reserves to execute their interest-rate policies. In response to the crisis,...