The paper models the interaction between risk taking in the financial sector and central bank policy. It shows that in the absence of central bank intervention, the incentive of financial intermediaries to free ride on liquidity in good states may result in excessively low liquidity in bad...

The article illustrates how the integration of modern theory of finance and stochastic dynamic macroeconomic analysis provides a deeper understanding of the link between asset prices and consumption. It shows that this approach gives only a partial explanation for recent trends in US...