Dear all,
Professor Mark Podolskij ( https://wwwen.uni.lu/research/fstm/dmath/people/mark_podolskij) will give a seminar on *Thursday, April 20 at noon in room 205:*
*Title *
On Estimation of the Maximal Rank of Stochastic Volatility
*Abstract* In this talk we address the question of how many Brownian motions are required to model a multivariate price process of diffusion type. It turns out that this question is equivalent to estimation of the maximal rank of the volatility component. We solve this mathematical problem in the high frequency regime and provide a formal estimation and testing procedure. If the time allows we touch upon high dimensional aspects of the problem.
Please, find here the link to the seminar virtual room:
Link room 205 B: https://luiss.webex.com/luiss-en/j.php?MTID=me3d961dc4b3575085d5d4b6a304e2de...
guest username: w_guest@luiss.it
pw : i7G3HiAKq2Q
Best regards,
Sara
---------------------------------------------------------------------------------------------- *Sara Biagini* Department of Economics and Finance *LUISS University* Address: Viale Romania, 32 00197 Roma *Web* (institutional): https://economiaefinanza.luiss.it/docenti/cv/352478 *Web* (personal): https://sites.google.com/site/sarabiagini/