Gropp, Reint; Kadareja, Arjan - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2007
We propose a new approach to measuring the effect of unobservable private information or beliefs on volatility. Using high-frequency intraday data, we estimate the volatility effect of a well identified shock on the volatility of the stock returns of large European banks as a function of the...