Gropp, Reint (contributor); Kadareija, Arjan (contributor) - 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 … that, as the publicly available information becomes stale, volatility effects and its persistance should increase, as the …