Entorf, Horst; Groß, Anne; Steiner, Christian - 2009
for Germany, i.e. the ifo Business Climate Index and the ZEW Indicator of Economic Sentiment. From the methodological …. Announcements of both institutes are also clearly and immediately reflected in the volatility, which remains at a significantly … higher level for approximately two minutes slightly elevated for approximately 15 minutes. Combining returns and volatility …