Template-type: ReDIF-Paper 1.0 Author-Name: Ole Barndorff-Nielsen Author-Workplace-Name: University of Aarhus Author-Name: Neil Shephard Author-Email: neil.shephard@nuffield.ox.ac.uk Author-Workplace-Name: Nuffield College, University of Oxford, UK Title: Multipower Variation and Stochastic Volatility Abstract: In this brief note we review some of our recent results on the use of high frequency financial data to estimate objects like integrated variance in stochastic volatility models. Interesting issues include multipower variation, jumps and market microstructure effects. Length: 9 pages Creation-Date:2004-11-18 Number:2004-W30 File-URL: http://www.nuff.ox.ac.uk/economics/papers/2004/w30/lisbonrev.pdf File-Format: application/pdf Handle: RePEc:nuf:econwp:0430