There is an opening for a PhD student (50% paid position from January 2021, 75% position from April 2021) at the Chemnitz University of
Technology (TU Chemnitz) in computational economics / complex systems in economics.
Since the position involves some teaching (TA classes) in German, some knowledge of German is required.
Please see the full text of the job opening here (in German only):
https://www.tu-chemnitz.de/verwaltung/personal/stellen/262032_3_Kr.php
The application deadline is October 21.