Discussion Paper Details

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Title: Deleverage and Financial Fragility

Author(s): Marco Maffezzoli and Tommaso Monacelli

Publication Date: April 2015

Keyword(s): aggregate fluctuations, deleverage, financial fragility and nonlinearities

Programme Area(s): International Macroeconomics

Abstract: Empirical evidence suggests that severe economic downturns, characterized by deleverage, are preceded by phenomena of debt overhang. Hence large recessions may not result from large shocks, but, rather, from typical shocks interacting with the state of the economy. We study a stochastic economy with heterogeneous agents and occasionally binding collateral constraints, where private debt evolves endogenously. The effect of deleverage shocks on aggregate output is a non-linear, S-shaped, function of the accumulated level of debt, i.e., of the degree of financial fragility. These results cast doubts on the accuracy of gauging the effects of financial disturbances in linearized, certainty-equivalence environments.

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Bibliographic Reference

Maffezzoli, M and Monacelli, T. 2015. 'Deleverage and Financial Fragility'. London, Centre for Economic Policy Research.