Gillemot, Laszlo; Farmer, J. Doyne; Lillo, Fabrizio - In: Quantitative Finance 6 (2006) 5, pp. 371-384
lesser extent their size, are the main cause of clustered volatility. Under this view bursts of rapid or slow price diffusion … reflect bursts of frequent or less frequent trading, which cause both clustered volatility and heavy tails in price returns … small fraction of volatility fluctuations are explained in this manner. Clustered volatility is still very strong even if …