Fostel, Ana; Geanakoplos, John - In: Annual Review of Economics 6 (2014) 1, pp. 771-799
We review the theory of leverage developed in collateral equilibrium models with incomplete markets. We explain how …-sectional implications of multiple leverage cycles, including contagion, flight to collateral, and swings in the issuance volume of the … leverage tends to boost asset prices and create bubbles. We show how leverage can be endogenously determined in equilibrium and …