We integrate banks and the coexistence of bank and bond financing into an otherwise standard New Keynesian framework. There are two policy-makers: a central banker, who can decide on short-term nominal interest rates, and a macroprudential policy-maker, who can vary aggregate capital...

The 20th century consensus regarding the role of a central bank – to maintain price stability was upset by the global financial crisis of 2007-2009. Central banks changed their mode of behavior and new regulatory structures were introduced around the world. In this essay, I examine one of the...