دانلود مقاله ISI انگلیسی شماره 23233
عنوان فارسی مقاله

بهترین راه برای ممانعت از یک بانک مرکزی چیست؟

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
23233 2009 14 صفحه PDF سفارش دهید محاسبه نشده
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عنوان انگلیسی
What is the best way to impede a central bank?
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : The Quarterly Review of Economics and Finance, Volume 49, Issue 3, August 2009, Pages 784–797

کلمات کلیدی
سیاست های پولی - تعهد - اختیارات -
پیش نمایش مقاله
پیش نمایش مقاله بهترین راه برای ممانعت از یک بانک مرکزی چیست؟

چکیده انگلیسی

Recent work has found several ways of restricting central bank behavior to achieve much of the gain of commitment over discretion. This paper compares three such impediments: A quadratic penalty on interest rate changes, a fixed penalty on any rate change, and forced infrequency of rate change. All three achieve significant improvement over discretion, and often come close to interest rate rule commitment. The fixed penalty is frequently the best performing restriction, although the quadratic penalty does best in certain alternative parameterizations. Combinations are found to provide no improvement over the individual impediments alone.

مقدمه انگلیسی

It is widely accepted in monetary economics that a committed central bank will outperform a central bank that uses its discretion in each period. Because most nations do not have institutional structures that allow central banks to credibly commit to a policy rule, most authors conclude that central banks act in a discretionary manner, and that this generates an inferior outcome. And yet it appears as though many central banks have been able to achieve very good economic performance (at least in recent years), without the benefit of what most economists would recognize as a credible commitment. The last few decades in most developed nations have been characterized by low and stable inflation, achieved in large part with financial markets correctly anticipating long-lasting policy actions, exactly as one would expect under commitment. It is interesting to ask how this has been achieved, again in the absence of what most would call a credible commitment. Models in the commitment vs. discretion literature almost always have the property that the central bank is free to vary its policy instrument as much as it would like in every period. If these models were true, one would expect to see some movement in the policy instrument in every period, with large immediate movements in response to economic shocks. Neither of these properties are found in the actual behavior of central banks: Since 1990 the Federal Reserve has made a change in its target for the Federal Funds rate on average only once every 100 days, and on four occasions has gone more than ten months without a change; When changes do happen, they usually happen during the regularly scheduled FOMC meetings; and they are more likely to be accomplished in a series of 25 or 50 basis point moves, rather than all at once (Federal Reserve Bank of New York, 2008). Similar behavior can be observed for other important central banks, such as the Bank of Canada, the Bank of England, and the European Central Bank. This behavior seems to suggest that central banks do not act the way we typically model them: They generally appear to be unable or at least reluctant to make frequent or large changes in their policy interest rate. In other words, they appear to face some sort of impediment to changing interest rates. A few authors have suggested that such limitations may actually help a discretionary central bank achieve macroeconomic performance close to that of a committed central bank. The suggested impediments include the Woodford's (2003b) quadratic penalty on interest rate changes, Mirzoev's (2004) restrictions on the frequency of interest rate changes, and Eijffinger, Schaling, and Verhagen's (1999) fixed penalty (or “menu cost”) for any interest rate change. Each of these have been shown to substantially increase the performance of a discretionary central bank, because they create an avenue by which the current actions of a discretionary bank can have some influence on expectations. Moreover, each of these hindrances is consistent with certain aspects of real-world central bank behavior. The purpose of this paper is to determine which of the proposed impediments works the best, and to explore whether combinations of the restrictions can achieve further improvements.

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