How important is the effect of the interest rate Zero Lower Bound (ZLB) on the severity of the U.S. Great Recession? We tackle this question using an incomplete markets New Keynesian model, with a ZLB on the nominal interest rate and a borrowing constraint tied to asset price. We solve the model...

We document in US data that returns to wealth across households are significantly heterogeneous, and persistently so. Motivated by this observation, we build a tractable general equilibrium model where households face persistent idiosyncratic returns to study the US wealth distribution. We show...

The seminal contribution by Kiyotaki and Moore (1997) has spurred a vast literature on the importance of collateral constraints in propagating and amplifying shocks to the economy. However, most papers in the literature using collateral constraints assume non-state contingent debt, i.e., markets...