Fostel, Ana; Geanakoplos, John - In: Journal of Economic Theory 147 (2012) 2, pp. 501-525
A recent literature shows how an increase in volatility reduces leverage. However, in order to explain pro …-cyclical leverage it assumes that bad news increases volatility, that is, it assumes an inverse relationship between first and second … volatility. We show that, in a model with endogenous leverage and heterogeneous beliefs, agents have the incentive to invest …