Humboldt-Universität zu Berlin | Wirtschaftswissenschaftliche Fakultät | High Dimensional Nonstationary Time Series | About us | News Feed | News 2015 | Workshop: A. Petukhina in Singapore Workshop: A. Petukhina in Singapore 16.03.2015. Alla Petukhina presented her paper on “Tail Event Driven ASset allocation: evidence from equity and mutual funds’ markets” at the TEDRIS - Tail Event Driven RIsk Structures Workshop in Singapore.