ÆüËܤζâÍ»À¯ºö¤Î¸ú²Ì¤Ï»Ù»ý¤·¤Æ¤¤¤ë¤è¤¦¤Ç¤¹¡§Monetary policy revived the economy and contradicted the picture of ineffective¡¡monetary policy painted by the liquidity trap story.¡¡The monetary stimulus from 2001 is a more plausible explanation for Japan¡Çs economic¡¡recovery than Krugman¡Çs (2007a) suggestion that technological innovation stimulated a revival¡¡of investment in Japan. A technological innovation by itself would stimulate aggregate supply¡¡but not aggregate demand, and so would be a source of deflation and a worsening output gap.
As discussed by Ugai (2007), the empirical¡¡evidence suggests that the Bank of¡¡Japan¡Çs¡¡operations were successful in stimulating¡¡aggregate demand via the term structure and¡¡other channels. Monetary policy revived the¡¡economy and contradicted the picture of¡¡ineffective¡¡monetary policy painted by the¡¡liquidity trap story.
Ugai, Hiroshi (2007). ¡ÈEffects of the Quantitative Easing Policy: A Survey of Empirical Analyses,¡É Bank of Japan Monetary and Economic Studies, Vol. 25(1), 1−47.
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