Inflating Away the Debt: The Debt-Inflation Channel of German Hyperinflation

Markus Brunnermeier, Sergio Correia, Stephan Luck, Emil Verner and Tom Zimmermann

No 20230713, Liberty Street Economics from Federal Reserve Bank of New York

Abstract: The recent rise in price pressures around the world has reignited interest in understanding how inflation transmits to the real economy. Economists have long recognized that unexpected surges of inflation can redistribute wealth from creditors to debtors when debt contracts are written in nominal terms (see, for example, Fisher 1933). If debtors are financially constrained, this redistribution can affect real economic activity by relaxing financing constraints. This mechanism, which we call the debt-inflation channel, is well understood theoretically (for example, Gomes, Jermann, and Schmid 2016), but there is limited empirical evidence to substantiate it. In this post, we discuss new insights from one of the key events in monetary history: the Great German Inflation of 1919-23. Because this case of inflation was both surprising and extremely high, Germany’s experience helps shed light on how high inflation impacts firms’ economic activity through the erosion of their nominal debt burdens. These insights are based on a recently released research paper.

Keywords: Hyperinflation; debt-inflation; macro-finance (search for similar items in EconPapers)
JEL-codes: E31 E52 (search for similar items in EconPapers)
Date: 2023-07-13
New Economics Papers: this item is included in nep-ban, nep-his and nep-mon
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