The current mainstream approach to monetary policy is based on the New Keynesian model and is expressed in terms of a short-term nominal interest, such as the federal funds rate in the United States. It ignores the role of leverage and also downplays the role of money in basic monetary theory...

The current mainstream approach to monetary policy in the United States is based on the new Keynesian model and is expressed in terms of the federal funds rate. It ignores the role of financial intermediary leverage (or collateral rates). But as the federal funds rate has reached the zero lower...