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Credit Frictions in the Great Recession
Although a credit tightening is commonly recognized as a key determinant of the Great Recession, to date, it is unclear whether a worsening of credit conditions faced by households or by firms was most responsible for the downturn. Some studies have suggested that the household-side credit channel is quantitatively the most important one. Many others contend that the firm-side channel played a crucial role. We propose a model in which both channels are present and explicitly formalized. Our analysis indicates that the household-side credit channel is quantitatively more relevant than the ...
Report
Liquidity Traps and Monetary Policy: Managing a Credit Crunch
We study a model with heterogeneous producers that face collateral and cash-in-advance constraints. A tightening of the collateral constraint results in a credit-crunch-generated recession that reproduces several features of the ?nancial crisis that unraveled in 2007 in the United States. The model can be used to study the effects of the credit-crunch on the main macroeconomic variables and the impact of alternative policies. The policy implications regarding forward guidance are in contrast with the prevalent view in most central banks, based on the New Keynesian explanation of the liquidity ...
Working Paper
A Stochastic Bubble Forest
We consider an economy with overlapping generations of relatively patient consumers who live for two periods. There is within-cohort heterogeneity in old-age endowments that depends on an aggregate state. That state is independent and identically distributed across generations. We assume consumers in their old age cannot be forced to give up any real resources. A stationary equilibrium in which state-contingent claims can be sold against the collateral of a single safe bubble security is efficient. The same allocation is also an equilibrium outcome in an economy with a sufficient number of ...