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  3. Morten O. Ravn, University College London

Morten O. Ravn, University College London

“Financial Frictions: Macro vs Micro Volatility”

Coautoreado con Seungcheol Lee y Ralph Luetticke

Abstract: We examine the impact of frictional financial intermediation in a HANK model. An incentive problem restricts banking sector leverage and gives rise to an equilibrium spread between the returns on savings and debt. The size of this spread impacts on the wealth distribution and movements in it subject borrowers and savers to different intertemporal prices. The model generates a financial accelerator that is larger than in a representative agent setting, derives mainly from consumption rather than investment, and works through a countercyclical interest rate spread. Credit policy can mute this mechanism while stricter regulation of banking sector leverage inhibits households’ ability to smooth consumption in response to idiosyncratic risk. Thus, although leverage restrictions stabilize at the aggregate level, we find substantial welfare costs.

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26 de Marzo de 2021


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