G2TT
来源类型Discussion paper
规范类型论文
来源IDDP12713
DP12713 Uncertainty and Economic Activity: A Multi-Country Perspective
Alessandro Rebucci; Ambrogio Cesa-Bianchi; M. Hashem Pesaran
发表日期2018-02-12
出版年2018
语种英语
摘要Measures of economic uncertainty are countercyclical, but economic theory does not provide definite guidance on the direction of causation between uncertainty and the business cycle. This paper proposes a new multi-country approach to the analysis of the interaction between uncertainty and economic activity, without a priori restricting the direction of causality. We develop a multi-country version of the Lucas tree model with time-varying volatility and show that in addition to common technology shocks that affect output growth, higher-order moments of technology shocks are also required to explain the cross country variations of realized volatility. Using this theoretical insight, two common factors, a `real' and a `financial' one, are identified in the empirical analysis assuming different patterns of cross-country correlations of country-specific innovations to real GDP growth and realized stock market volatility. We then quantify the absolute and the relative importance of the common factor shocks as well as country-specific volatility and GDP growth shocks. The paper highlights three main empirical findings. First, it is shown that most of the unconditional correlation between volatility and growth can be accounted for by the real common factor, which is proportional to world growth in our empirical model and linked to the risk-free rate. Second, the share of volatility forecast error variance explained by the real common factor and by country-specific growth shocks amounts to less than 5 percent. Third, shocks to the common financial factor explain about 10 percent of the growth forecast error variance, but when such shocks occur, their negative impact on growth is large and persistent. In contrast, country-specific volatility shocks account for less than 1-2 percent of the growth forecast error variance.
主题Financial Economics ; International Macroeconomics and Finance ; Monetary Economics and Fluctuations
关键词Uncertainty Business cycle Common factors Real and financial global shocks Multi-country Identification Volatility
URLhttps://cepr.org/publications/dp12713
来源智库Centre for Economic Policy Research (United Kingdom)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/541525
推荐引用方式
GB/T 7714
Alessandro Rebucci,Ambrogio Cesa-Bianchi,M. Hashem Pesaran. DP12713 Uncertainty and Economic Activity: A Multi-Country Perspective. 2018.
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