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Home > Research and Studies > Bank of Japan Working Paper Series, Review Series, and Research Laboratory Series > Bank of Japan Working Paper Series 2003 > Output Composition of the Monetary Policy Transmission Mechanism in Japan
Ippei Fujiwara *2
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In this paper, I investigate the output composition of the monetary policy transmission mechanism in Japan. The predominant channel via which monetary policy affects output in Japan is usually thought to be the investment channel, namely the process whereby a change in the interest rate alters the cost of capital and therefore investment. In the United States, however, the consumption channel, which works through intertemporal substitution, is commonly considered the more significant of the two.
The aim of this paper is twofold: 1) based on analysis using VAR and DSGE models, to understand which of the two channels; the consumption channel or the investment channel, plays the more important role in the transmission of Japanese monetary policy; and 2) to contribute to the research on what Angeloni, Kashyap, Mojon and Terlizzese (2003) term the "Output Composition Puzzle," referring to the fact that whereas in the United States the predominant driver of output changes is the consumption channel, in the Euro area it is the investment channel.
The results obtained from the Japanese models are consistent with our intuition that the investment channel is more important.
VAR; DSGE; Monetary Policy Transmission; Output Composition Puzzle