id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
dem-1076	Kliber, Paweł	Jumps Activity and Singularity Spectra for Instruments in the Polish Financial Market	2011	14	.pdf	application/pdf	4764	272	67	The logarithms of the prices are described by Lévy process L and thus the logarith- mic returns are increments of Lévy process. We use Blumenthal-Getoor index β for Lévy processes as a measure of jumps’ activity.	cache/dem-1076.pdf	txt/dem-1076.txt