Humboldt-Universität zu Berlin | Wirtschaftswissenschaftliche Fakultät | High Dimensional Nonstationary Time Series | About us | News Feed | News 2017 | Dissertation: M. Lu completes PhD Dissertation: M. Lu completes PhD 16.06.2017. Mengjou Lu, IRTG PhD student, successfully defended his PhD dissertation. Congratulations! 17.06.2017