دانلود مقاله ISI انگلیسی شماره 27740
عنوان فارسی مقاله

تاثیر سیاست های پولی در هدایت نرخ پول بازار در بحران مالی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
27740 2012 10 صفحه PDF سفارش دهید محاسبه نشده
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عنوان انگلیسی
The effectiveness of monetary policy in steering money market rates during the financial crisis
منبع

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

Journal : Journal of Macroeconomics, Volume 34, Issue 4, December 2012, Pages 945–954

کلمات کلیدی
- مکانیسم انتقال پول - سیاست های پولی غیر استاندارد - بانک مرکزی اروپا - بازار پول بین بانکی -
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پیش نمایش مقاله تاثیر سیاست های پولی در هدایت نرخ پول بازار در بحران مالی

چکیده انگلیسی

The financial crisis has deeply affected money markets and thus, potentially, the proper functioning of the interest rate channel of monetary policy transmission. Therefore, we analyze the effectiveness of monetary policy in steering euro area money market rates by looking at (i) the predictability of money market rates on the basis of monetary policy expectations and (ii) the impact of extraordinary central bank measures on money market rates. We find that during the crisis money market rates up to 12 months still respond to revisions in the expected path of future rates, even though to a lesser extent than before August 2007. We attribute part of the loss in monetary policy effectiveness to money market rates being driven by higher liquidity premia and increased uncertainty about future interest rates. Our results also indicate that the ECB’s non-standard monetary policy measures as of October 2008 were effective in addressing the disruptions in the euro area money market. In fact, our estimates suggest that non-standard monetary policy measures helped to lower Euribor rates by more than 80 basis points. These findings show that central banks have effective tools at hand to conduct monetary policy in times of crises.

مقدمه انگلیسی

Since August 2007, financial markets around the world are severely impaired. In particular, money markets have contracted substantially with unsecured money market rates rising to unprecedented levels. This has caused serious disruptions in banks’ short-term funding leading to a tightening of credit standards for both businesses and households. This has not only challenged the ability of central banks to effectively steer term money market rates via the setting of policy rates but also seriously impaired the transmission of monetary policy. Hence, central banks around the world have responded by substantial policy rate cuts and engaged in a series of non-standard monetary policy measures to alleviate the funding conditions in the money market. This paper studies the effectiveness of the European Central Bank’s monetary policy in steering short term money market rates during the crisis. Towards this aim, it explores the predictability of money market rates via the traditional policy rate expectations channel as well as the impact of the ECB’s crisis-related (non-standard) monetary policy measures on term money market rates. For the U.S. a series of recent contributions have studied the impairment of money markets during the crisis, investigated the determinants and sources of elevated money market rates and, particularly, analyzed the effectiveness of the Fed’s non-standard measures.1 Empirical evidence for the euro area is rather scarce (Cecioni et al., 2011). We provide new evidence on the drivers of the euro area money market rates, in particular, the 3-month, 6-month and 12-month Euribor rates. pecifically, we investigate the importance of three determinants: (i) changes of monetary policy expectations attributed to changes in the policy rate, (ii) liquidity risk and credit risk factors as well as interest rate uncertainty and (iii) the ECB’s non-standard monetary policy measures during the crisis. In what follows, we will motivate the choice of each factor in turn. First, according to the expectations hypothesis, the term structure of money market rates should contain an implicit path of the expected future short term interest rate, i.e. the policy rate set by the central bank (e.g. Campbell and Shiller, 1991 and Rudebusch, 1995). This path reflects how interest rates will change if new information about the economic outlook and monetary policy necessitates a revision of the path. Hence, for effectively steering money market rates, interest rate expectations are required to be in line with the central bank policy intentions and the dispersion of market expectations should be kept at the lowest level possible. To study the effectiveness of standard monetary policy, we investigate how policy rate expectations have driven the dynamics of the Euribor rates before and during the financial crisis. We follow the framework of Kuttner (2001) and analyze changes in Euribor rates as a response to revisions to the expected path of future interest rates as proxied by changes in the correspondingly dated overnight-indexed swap (OIS) rates. Second, the surge of money market rates since August 2007 has often been attributed to a corresponding rise in risk premia (e.g. McAndrews et al., 2008, Christensen et al., 2009, Taylor and Williams, 2009, Schwarz, 2010 and Wu, 2011). We provide evidence on the importance of liquidity and credit risk for the dynamics of money market rates in the euro area. In this context, we also look at how money market rates are affected by the uncertainty around the expected path of future interest rates as measured by implied volatility derived from Euribor futures, a factor that has not yet been accounted for in existing approaches. Third, the ECB, like other major central banks around the world, has engaged in a set of non-standard monetary policy measures. The significant liquidity provision to financial institutions has expanded the ECB’s balance sheet and has substituted for interbank intermediation. We analyze the impact of non-standard measures on term money market rates using the outstanding volumes associated with the ECB’s open market operations. This approach differs from the existing literature in that it does not use binary variables to study the effectiveness of crisis-related monetary policy measures in reducing interest rates (e.g. McAndrews et al., 2008 and Taylor and Williams, 2009). The analysis of the ECB’s crisis-related monetary policy measures has so far been confined to assessing their effects on macroeconomic and financial aggregates (e.g. Lenza et al., 2010, Fahr et al., 2011, Giannone et al., 2011 and Giannone et al., 2012). The quantification of the impact of non-standard measures on macro variables is usually based on underlying assumptions on changes in money market spreads implicitly attributed to the effect of non-standard measures. In providing evidence on the actual effect of non-standard measures on money market rates, we add to the very scarce empirical literature on the financial market impact of non-standard measures for the euro area. Overall, our results indicate a loss in the effectiveness of standard monetary policy during the crisis compared to the pre-crisis period. In fact, while before the crisis Euribor rates significantly respond to revisions of market expectations for all maturities under consideration, this relationship – though still statistically and economically significant – becomes weaker between August 2007 and October 2008 and further weakens in the post-October 2008 period. We find that changes in euro area money market rates were driven by elevated liquidity premia and become more persistent during the crisis. The loss in policy effectiveness during the crisis, was to some extent compensated for by the use of non-standard monetary policy. Indeed, our results provide strong evidence that the ECB’s crisis-related monetary policy measures were highly effective in reducing Euribor rates and the uncertainty around the prevailing term money market rates. Our estimates suggest that the significant increase in the outstanding amounts associated with open market operations as of October 2008 caused Euribor rates to decline by more than 80 basis points. The remainder of the paper is organized as follows. The next section briefly elaborates on the importance of interbank money markets for the monetary transmission process. Variables that might determine the dynamics of Euribor rates are presented in Section 3. We present our empirical model in Section 4 and our results in Section 5. Section 6 concludes.

نتیجه گیری انگلیسی

In normal times, the ECB is able to influence the term money market rate, i.e. Euribor via signaling its policy intentions. Money market rates in the euro area play a crucial role for the determination of short-term interest rates for retail bank loans and deposit rates. Since the outbreak of the financial crisis in August 2007, however, euro money markets have been severely impaired causing Euribor rates to rise to unprecedented levels with consequences for lending conditions of companies and households. In this paper we have analyzed whether these developments have compromised the effectiveness of monetary policy in steering money market rates. Towards this aim, we have looked at two criteria. First, how well revisions to monetary policy expectations have been reflected in the money market yield curve and second, how the ECB’s crisis-related (non-standard) monetary policy measures have affected money market rates of three-month, six-month and twelve-month maturity. Our results reveal that Euribor rates respond to changes in monetary policy expectations before and also during the crisis. However, during the crisis, in particular after October 2008, changes in monetary policy expectations seem to matter less. This loss in the effectiveness of monetary policy signaling can be attributed to a rise in the liquidity premium, increased uncertainty about the expected path of future interest rates as well as significantly more persistent Euribor rates during the crisis. Therefore, our findings clearly point to impairments in the money markets. At the same time, we provide strong evidence that the ECB’s crisis-related (non-standard) monetary policy measures have proven effective in reducing money market rates. Before the crisis, open market operations were neutral with respect to the monetary policy stance, i.e. they did not affect money market rates at longer term maturities directly. During the financial crisis, however, the significant expansion of the central bank balance sheet through unlimited liquidity provision at a fixed rate has exerted a significant influence on the dynamics of term money market rates at three-month, six-month, and twelve-month maturities. In particular, our results indicate that the ECB’s net increase in the outstanding volumes associated with open market operations as of October 2008 accounts for at least a 80 basis point decline in three-month, six-month, and twelve-month Euribor rates. Moreover, the ECB’s monetary policy communication during the crisis appears to have reduced significantly the impact of interest rate uncertainty on Euribor rates in the period after October 2008. We conclude that part of the loss in the effectiveness of monetary policy during the financial crisis via the traditional interest rate channel was compensated for by the effective use of liquidity operations affecting money market rates beyond the daily maturity. Central banks indeed have adequate tools at their disposal to conduct effective monetary policy, also in times of crises.

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