The Interest Rate Channel of Monetary Transmission under Low Inflation in Korea (in Korean)

Hyun-Euy Kim ()
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Hyun-Euy Kim: Economic Research Institute, The Bank of Korea

Economic Analysis (Quarterly), 2007, vol. 13, issue 1, 1-56

Abstract: Whether monetary policy retains its effectiveness during the present low inflation era is of primary concern to the monetary authority, but it remains an open question. This paper addresses this question by investigating how the traditional interest rate channel of monetary transmission has changed in the recent low inflation (1999~2004) era in Korea, relative to the past high inflation (1988~1998) period, using sizable firm-level panel data and the neoclassical model of investment. A two-step process based on elasticity approaches is employed to pin down more precisely each sequence of monetary transmission running from the policy rate to investment via the user cost of capital. The evidence suggests that the effectiveness of the interest rate channel in the low inflation period has been substantially weakened, so as to remain only approximately 20 to 30 percent of what would be predicted for the high inflation one. The main culprit in this is the dramatic decline in the elasticity of the capital stock, in absolute value, with respect to the user cost over the recent low inflation period, even though the elasticity of the user cost with respect to the policy rate has risen relatively.

Keywords: User cost of capital; Business investment; Interest rate channel; Monetary transmission (search for similar items in EconPapers)
JEL-codes: C23 E13 E22 E52 (search for similar items in EconPapers)
Date: 2007
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