Economic Theory Commons^™

Incorporating Macroprudential Financial Regulation Into Monetary Policy, Aaron Klein

Journal of Financial Crises

This paper proposes two insights into financial regulation and monetary policy. The first enhances understanding the relationship between them, building on the automobile metaphor that describes monetary policy: when to accelerate or brake for curves miles ahead. Enhancing the metaphor, financial markets are the transmission. In a financial crisis, markets cease to function, equivalent to a transmission shifting into neutral. This explains both monetary policy’s diminished effectiveness in stimulating the economy and why the financial crisis shock to real economic output greatly exceeded central bank forecasts.

The second insight is that both excess leverage and fundamental mispricing of asset values …