دانلود مقاله ISI انگلیسی شماره 26524
عنوان فارسی مقاله

شناسایی وابستگی متقابل بین سیاست پولی ایالات متحده و بازار سهام

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
26524 2009 8 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Identifying the interdependence between US monetary policy and the stock market
منبع

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

Journal : Journal of Monetary Economics, Volume 56, Issue 2, March 2009, Pages 275–282

کلمات کلیدی
سیاست های پولی - قیمت دارایی ها - شناسایی -
پیش نمایش مقاله
پیش نمایش مقاله شناسایی وابستگی متقابل بین سیاست پولی ایالات متحده و بازار سهام

چکیده انگلیسی

We estimate the interdependence between US monetary policy and the S&P 500 using structural vector autoregressive (VAR) methodology. A solution is proposed to the simultaneity problem of identifying monetary and stock price shocks by using a combination of short-run and long-run restrictions that maintains the qualitative properties of a monetary policy shock found in the established literature [Christiano, L.J., Eichenbaum, M., Evans, C.L., 1999. Monetary policy shocks: what have we learned and to what end? In: Taylor, J.B., Woodford, M. (Eds.), Handbook of Macroeconomics, vol. 1A. Elsevier, New York, pp. 65–148]. We find great interdependence between the interest rate setting and real stock prices. Real stock prices immediately fall by seven to nine percent due to a monetary policy shock that raises the federal funds rate by 100 basis points. A stock price shock increasing real stock prices by one percent leads to an increase in the interest rate of close to 4 basis points.

مقدمه انگلیسی

It is commonly accepted that monetary policy influences private-sector decision making. If prices are not fully flexible in the short run, as assumed by the New Keynesian theory framework, the central bank can temporarily influence the real interest rate and therefore have an effect on real output in addition to nominal prices. It is commonly believed that central banks have clear objectives for exerting control over real interest rates, including low and stable inflation and production close to the natural rate. In order to best fulfill these objectives, the central bank must monitor, respond to and influence private-sector decisions appropriately. Thus, the central bank and private sector mutually affect each other, leading to considerable interdependence between the two sectors. In the financial markets, where information is readily available and prices are sensitive to agents’ expectations about the future, this interdependence should largely be simultaneous. Allowing for simultaneity between monetary policy and financial markets is therefore likely to be both quantitatively and qualitatively important when measuring the degree of interdependence. The aim of this paper is to explore just how important this link is. Analyses of the effects of monetary policy have to a large extent been addressed in terms of vector autoregressive (VAR) models, initiated by Sims (1980). Yet, studies that use VAR models to identify interdependence have found little interaction between monetary policy and asset prices, see for instance Lee (1992), Thorbecke (1997) and Neri (2004) among others. Furthermore, the effect of a monetary policy shock on real stock prices is often counterintuitive and may imply permanent effects on stock returns, which is clearly unrealistic. However, these conventional VAR studies have not allowed for simultaneous interdependence, as the structural shocks have been recovered using recursive, short-run restrictions on the interaction between monetary policy and asset prices. Their implausible results provide a strong motivation for moving to an alternative specification. In this study we analyze the interaction between asset prices and monetary policy in the US, represented by the S&P 500 and the federal funds rate, respectively, using a VAR model that takes full account of the potential simultaneity of interdependence. We solve the simultaneity problem by imposing a combination of short-run and long-run restrictions on the multipliers of the shocks, leaving the contemporaneous relationship between the interest rate and real stock prices intact. Identification is instead achieved by assuming that monetary policy can have no long-run effect on real stock prices, which is a common long-run neutrality assumption. By using only one long-run restriction, the simultaneity problem is addressed without deviating too far from the established literature (i.e., Christiano et al., 1999 and Christiano et al., 2005) of identifying monetary policy shocks. Contrary to previous studies, we find strong interaction effects between the stock market and interest rate setting. Much of this interaction is found to be simultaneous. These results are achieved without considerably altering conventional views on how monetary policy affects macroeconomic variables, as previously found in the VAR literature. Section 2 provides a brief survey of theoretical, methodological and empirical arguments related to the interaction between asset prices and monetary policy. Section 3 presents the identification scheme used in this VAR study to identify the interdependence between monetary policy and the stock market. Section 4 presents and discusses the empirical results, including issues pertaining to robustness. Section 5 concludes.

نتیجه گیری انگلیسی

We find that there is substantial simultaneous interaction between the interest rate setting and shocks to real stock prices in the US. Just as monetary policy is important for the determination of stock prices, the stock market is an important source of information for the conduct of monetary policy. This result is found in many plausible and alternative model specifications that allow for the possibility of simultaneous interaction.

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