The Aggregate-Demand Doom Loop: Precautionary Motives and the Welfare Costs of Sovereign Risk

December 18, 2020

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Francisco Roldán. The Aggregate-Demand Doom Loop: Precautionary Motives and the Welfare Costs of Sovereign Risk, (USA: International Monetary Fund, 2020) accessed December 22, 2024

Disclaimer: IMF Working Papers describe research in progress by the author(s) and are published to elicit comments and to encourage debate. The views expressed in IMF Working Papers are those of the author(s) and do not necessarily represent the views of the IMF, its Executive Board, or IMF management.

Summary

Sovereign debt crises coincide with deep recessions. I propose a model of sovereign debt that rationalizes large contractions in economic activity via an aggregate-demand amplification mechanism. The mechanism also sheds new light on the response of consumption to sovereign risk, which I document in the context of the Eurozone crisis. By explicitly separating the decisions of households and the government, I examine the interaction between sovereign risk and precautionary savings. When a default is likely, households anticipate its negative consequences and cut consumption for self-insurance reasons. Such shortages in aggregate spending worsen economic conditions through nominal wage rigidities and boost default incentives, restarting the vicious cycle. I calibrate the model to Spain in the 2000s and find that about half of the output contraction is caused by default risk. More generally, sovereign risk exacerbates volatility in consumption over time and across agents, creating large and unequal welfare costs even if default does not materialize.

Subject: Consumption, Income, Income distribution, Public debt, Wages

Keywords: Aggregate demand, Debt price, Default, Default incentive, Default probability, Government debt, Heterogeneous agents, Open economy, Precautionary motives, Sovereign risk, WP

Publication Details

Pages:

51
Volume:

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DOI:

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Issue:

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Series:

Working Paper No. 2020/293
Stock No:

WPIEA2020293
ISBN:

9781513564739
ISSN:

1018-5941

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