We study the response of the German stock market index DAX to the announcement of macroeconomic business cycle forecasts. Retunrs are computed using high-frequency data observed for 15-second intervals. Publications of macroeconomic US indicators at 2:30 p.m. (CET) have temporary and opening of the New York Stock Exchange at 3:30 p.m. (CET) have permanent effects on the volatility of the German DAX. Moreover, the intraday volatility of the DAX index has a U-Shaped form, which has also been identified for other international stock markets. Major reactions of both returns and volatility occur within the first 15 to 60 seconds after the announcement, revealing a high efficiency of the German capital market. Unanticipated shocks cause asymmetric stock market returns: "good" news lead to more pronounced reactions than "bad" news. Moreover, there is evidence of mean reversion and calm-before-the storm effects. Finally, serial correlation of returns is found to be a potentially spurious result of non-anticipated announcements of macroeconomic news.
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Article provided by Justus-Liebig University Giessen, Department of Statistics and Economics in its journal Journal of Economics and Statistics.
Volume (Year): 227 (2007) Issue (Month): 1 (February) Pages: 3-26 Download reference. The following formats are available: HTML
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Find related papers by JEL classification: G12 - Financial Economics - - General Financial Markets - - - Asset Pricing G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies
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David M. Cutler & James M. Poterba & Lawrence H. Summers, 1989.
"What Moves Stock Prices?,"
NBER Working Papers
2538, National Bureau of Economic Research, Inc.
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David H. Cutler & James M. Poterba & Lawrence H. Summers, 1988.
"What Moves Stock Prices?,"
Working papers
487, Massachusetts Institute of Technology (MIT), Department of Economics.