Towards a General Theory of Deep Downturns

Joseph Stiglitz

No 21444, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: This paper, an extension of the Presidential Address to the International Economic Association, evaluates alternative strands of macro-economics in terms of the three basic questions posed by deep downturns: What is the source of large perturbations? How can we explain the magnitude of volatility? How do we explain persistence? The paper argues that while real business cycles and New Keynesian theories with nominal rigidities may help explain certain historical episodes, alternative strands of New Keynesian economics focusing on financial market imperfections, credit, and real rigidities provides a more convincing interpretation of deep downturns, such as the Great Depression and the Great Recession, giving a more plausible explanation of the origins of downturns, their depth and duration. Since excessive credit expansions have preceded many deep downturns, particularly important is an understanding of finance, the credit creation process and banking, which in a modern economy are markedly different from the way envisioned in more traditional models.

JEL-codes: D59 D90 E20 E21 E30 E32 E44 E49 E50 E52 E60 F41 G01 (search for similar items in EconPapers)
Date: 2015-08
New Economics Papers: this item is included in nep-ger, nep-hpe, nep-mac and nep-pke
Note: EFG
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Citations: View citations in EconPapers (14)

Published as International Economic Association Series. Towards a General Theory of Deep Downturns Presidential Address from the 17th World Congress of the International Economic Association in 2014 Authors: Stiglitz, Joseph E. DOI 10.1007/978-1-137-58691-9

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