This paper examines the robustness of the Kiyotaki-Moore collateral amplification mechanism to the existence of complete markets for aggregate risk. We show that, when borrowers can hedge against aggregate shocks at fair prices, the volatility of endogenous variables becomes identical to the...

TWe allow for heterogeneity in investors' ability to borrow from collateral in a Kiyotaki-Moore style macro model. We calibrate the model to match the quintiles of the distri- bution of leverage ratios of US non-financial firms. We show that financial amplification of the model with...

This paper develops an equilibrium model with a housing collateral constraint in which rational agents are uncertain about the collateral price process. Bayesian learning by agents can endogenously generate booms and busts in collateral prices and significantly strengthen the role of the...

This paper studies the preferential tax treatment of housing that can be ob- served in many industrialized countries. It provides a rationale for it by means of an optimal taxation approach, taking into account an important feature of housing, namely its usage as collateral. In a borrower-lender...