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International Finance Discussion Papers
The International Finance Discussion Papers logo links to the International Finance Discussion Papers home page Preventing Deflation: Lessons from Japan's Experience in the 1990s
Alan Ahearne; Joseph Gagnon; Jane Haltmaier; Steve Kamin
2002-729  (June 2002)

Abstract:  This paper examines Japanís experience in the first half of the 1990s to shed some light on several issues that arise as inflation declines toward zero. Is it possible to recognize when an economy is moving into a phase of sustained deflation? How quickly should monetary policy respond to sharp declines in inflation? Are there factors that inhibit the monetary transmission mechanism as interest rates approach zero? What is the role for fiscal policy in warding off a deflationary episode? We conclude that Japanís sustained deflationary slump was very much unanticipated by Japanese policymakers and observers alike, and that this was a key factor in the authoritiesí failure to provide sufficient stimulus to maintain growth and positive inflation. Once inflation turned negative and short-term interest rates approached the zero-lower-bound, it became much more difficult for monetary policy to reactivate the economy. We found little compelling evidence that in the lead up to deflation in the first half of the 1990s, the ability of either monetary or fiscal policy to help support the economy fell off significantly. Based on all these considerations, we draw the general lesson from Japanís experience that when inflation and interest rates have fallen close to zero, and the risk of deflation is high, stimulus, both monetary and fiscal, should go beyond the levels conventionally implied by baseline forecasts of future inflation and economic activity.

Full paper (255 KB PDF)

Keywords
Monetary policy, Taylor rule, fiscal policy

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Last update: July 10, 2002