Henrik Hult is an associate professor at KTH Royal Institute of Technology in Stockholm, Sweden.
Filip Lindskog is an associate professor at KTH Royal Institute of Technology in Stockholm, Sweden.
Ola Hammarlid, PhD, is the Head of Quantitative Research at E. Öhman J:or Capital AB in Stockholm, Sweden.
Carl Johan Rehn, PhD, is in Quantitative Research at E. Öhman J:or Capital AB in Stockholm, Sweden.