Collateral Constraints and Macroeconomic Asymmetries

Luca Guerrieri and Matteo Iacoviello

No 1024, 2012 Meeting Papers from Society for Economic Dynamics

Abstract: We show that a simple macroeconomic model with collateral constraints displays strong asymmetric responses to boom and bust periods. In a boom triggered by a rise in asset values, constraints become more and more relaxed, the collateral channel is weaker, and the response of aggregate consumption (and output) to a wealth shock is positive but small. In a recession, collateral constraints get tighter and tighter, the collateral channel gets stronger, and the response in consumption from a given change in asset values is negative and large. In experiments from an estimated model, we show how the elasticity of consumption to housing wealth can become nearly three times as large in a recession, even without accounting for the zero bound on interest rates. One implication from our model is that wealth effects computed in normal times might underestimate the true wealth effects which incorporate the response to large, negative wealth shocks such as those occurred during the Great Recession.

Date: 2012
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Related works:
Journal Article: Collateral constraints and macroeconomic asymmetries (2017)
Working Paper: Collateral constraints and macroeconomic asymmetries (2015)
Working Paper: Collateral constraints and macroeconomic asymmetries (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:red:sed012:1024

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