This paper explains the nature of interest rates in the U.S. federal funds market after the 2007-09 financial crisis. We build a model of the over-the-counter lending market that incorporates new aspects of the financial system: abundance of liquidity, different regulatory standards for banks,...

The paper gives an overview over issues concerning the role of financial stability in monetary policy. Historically, financial stability has figured highly among central banks ́objectives, with policy measures ranging from interest rate stabilization to serving as a lender of the last resort....