Irving Fisher's debt deflation analysis: From the Purchasing Power of Money (1911) to the Debt-deflation Theory of the Great Depression (1933)
In 1933, Irving Fisher proposed an explanation for the Great Depression based on the distinction between the price level and price change effect of deflation in a context of over-indebtedness. This paper compares the debt-deflation theory of Fisher (1933) with the dynamic depression process he had expounded almost 20 years earlier in the Purchasing Power of Money (1911). The role played by both price level and price change effects in the analyses of Fisher (1933, 1911) are clarified in the context of the disequilibrium model of Tobin (1975). More precisely, we show that the stationary equilibrium is assumed to be locally unstable according to Fisher's 1911 insights and globally unstable according to his 1933 analysis.
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Document Type: Research Article
Affiliations: University of Paris 1 Panthéon-Sorbonne, PHARE-CNRS, 106 - 112 boulevard de L'Hôpital, 75647 Paris cedex 13, France,
Publication date: April 1, 2013