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- 검색키워드
- 저자 : Mark C. Strazicich (검색결과 3 건)
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이준수,Mark C. Strazicich 한국개발연구원 2009 KDI Journal of Economic Policy (KDI JEP) Vol.31 No.2
The monetary model suggests that nominal exchange rates between two countries will be determined by important macroeconomic variables. The existence of a cointegrating relationship among these fundamental variables is the backbone of the monetary model. In a recent paper, Rapach and Wohar (2002, Journal of International Economics) advance the literature by testing for linear cointegration in the monetary model using a century of data to increase power. They find evidence of cointegration in five or six of ten countries. We extend their work to the nonlinear framework by performing threshold cointegration tests that allow for asymmetric adjustments in two regimes. Asymmetric adjustments in exchange rates can occur, for example, if transactions costs are present or if policy makers react asymmetrically to changing fundamentals. Moreover, whereas Rapach and Wohar (2002) found it necessary to exclude the relative output variable in some cases to maintain the validity of their cointegration tests, we can include this variable as a stationary covariate to increase power. Overall, using their same long-span data, we find more support for cointegration in a nonlinear framework.
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IV ECM Threshold Cointegration Tests and Nonlinear Monetary Policy in Korea
Walter Enders,Junsoo Lee,Mark C. Strazicich 한국개발연구원 2007 KDI Journal of Economic Policy (KDI JEP) Vol.29 No.2
The goal of this paper is to examine the validity of nonlinear Taylor rules in Korea. To perform our tests, we utilize new IV ECM threshold cointegration tests that are invariant to nuisance parameters. The new tests have a standard chi-square distribution and the same critical values can be used throughout. This is in contrast to OLS ECM threshold cointegration tests, which depend on nuisance parameters and have nonstandard distributions. After finding significant support for nonlinear cointegration, we find that the Bank of Korea raises the call rate of interest only when inflation is above a threshold rate. We additionally find that the Bank of Korea increases the call rate of interest to possibly counter domestic currency deprecation only when the rate of currency deprecation exceeds a threshold.
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IV ECM Threshold Cointegration Tests and Nonlinear Monetary Policy in Korea
월터 엔더스,이준수,마크 스트래지시쉬,Enders, Walter,Lee, Junsoo,Strazicich, Mark C. Korea Development Institute 2007 KDI Journal of Economic Policy (KDI JEP) Vol.29 No.2
본고에서는 소위 '테일러 룰'이라고 일컫는 통화정책론이 한국의 통화정책에도 적용될 수 있는지를 검증하고자 하였다. '테일러 룰'이 적용된다면 이자율, 물가상승률 및 잠재성장률 간에 공적분이 성립해야 하는데, 본고에서는 선형관계를 전제로 하는 공적분은 성립하지 않는다는 결과를 산출하였고, 더 나아가 새로운 분계점 공적분 검정법(IV ECM Threshold Cointegration Tests)을 개발하고 이를 적용하고자 하였다. 이 방법론은 기존의 공적분 검정법과 달리 성가신 파라미터(nuisance parameters)에 의존하지 않는다는 장점이 있다. 이 장점을 사용하여 적용한 결과, 본고에서는 한국에 있어서도 비선형 테일러 통화정책에 대한 분계점 공적분이 성립하고 '비선형 테일러 룰'이 검증되었음을 보여주었다. The goal of this paper is to examine the validity of nonlinear Taylor rules in Korea. To perform our tests, we utilize new IV ECM threshold cointegration tests that are invariant to nuisance parameters. The new tests have a standard chi-square distribution and the same critical values can be used throughout. This is in contrast to OLS ECM threshold cointegration tests, which depend on nuisance parameters and have nonstandard distributions. After finding significant support for nonlinear cointegration, we find that the Bank of Korea raises the call rate of interest only when inflation is above a threshold rate. We additionally find that the Bank of Korea increases the call rate of interest to possibly counter domestic currency deprecation only when the rate of currency deprecation exceeds a threshold.
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