NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

An Exploration of the Japanese Slowdown during the 1990s

Diego A. Comin

NBER Working Paper No. 14509
Issued in November 2008
NBER Program(s):Economic Fluctuations and Growth, International Trade and Investment, Monetary Economics, Productivity, Innovation, and Entrepreneurship

Why did the Japanese slowdown of the 90s last so long if none of the shocks that hit the Japanese economy had a comparable persistence? In this paper, I use the Comin and Gertler (2006) model of medium term fluctuations to explore whether their endogenous technology mechanisms can amplify and propagate the wage markup fluctuations observed in Japan over the early 90s to drive a Japanese productivity slowdown. The model can reproduce the observed decline, relative to trend of R&D expenditures and the slowdown in the diffusion of new technologies. This slowdown in the development and adoption of new technologies constitutes a powerful propagation mechanism. As a result, the model does a good job in reproducing the evolution of output, consumption, investment, TFP and hours worked in Japan during the "lost decade", specially up to 1998. During the last two years of the decade, the propagation mechanisms in the model seem to run out of steam, while the Japanese economy continued to deteriorate.

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Document Object Identifier (DOI): 10.3386/w14509

Published: Comin, Diego A. "An Exploration of the Japanese Slowdown during the 1990s." In Japan's Bubble, Deflation, and Long-term Stagnation, edited by Koichi Hamada, Anil Kashyap, and David Weinstein. MIT Press, 2011.

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