Risk Pooling, Leverage, and the Business Cycle
73 Pages Posted: 24 Jul 2019 Last revised: 6 Apr 2020
There are 3 versions of this paper
Risk Pooling, Leverage, and the Business Cycle
Risk Pooling, Leverage, and the Business Cycle
Risk Pooling, Leverage, and the Business Cycle
Date Written: March 30, 2020
Abstract
This paper studies the impact of financial sector size and leverage on the business cycle and risk-free rates dynamics. We develop a general equilibrium model of a productive economy where financial intermediaries provide costly risk mitigation to households by pooling the idiosyncratic risks of their investment activities. In contrast to previous studies, we show that intermediaries not only amplify the variations of relative wealth between sectors, but may also mitigate business cycle fluctuations, while providing households with a risk-free asset whose real return is pro-cyclical and possibly negative. Households benefit the most when the financial sector is neither too small, thus avoiding high consumption fluctuations and costly risk mitigation, nor too big, so that fewer resources are lost after intermediation costs.
Keywords: Business Cycle, Frictions, Leverage, Mitigation, Risk Pooling
JEL Classification: E13, E32, E69, G12
Suggested Citation: Suggested Citation
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