(Financial) Crises occur, unfortunately, frequently. Moreover, it appears that Equity Markets around the world co-move with increasing strength while crisis periods.
A current research project at the chair tries to find statistical evidence for exactly this phenomon. A working paper will be soon available.
The working paper is currently available at SSRN: https://www.zeppelin-university.com/chairs/oekono/
The working paper is currently available at SSRN:
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3625473
The working paper is available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3644295