Long - term historical factor returns are perhaps the most widely accepted way to estimate factor premiums (expected returns), both in the literature and in the practitioner community. (researchaffiliates.com)
There are other historical factors to take into account in evaluating the current situation. (blog.politics.ox.ac.uk)
Participants were given additional background information in advance, explaining cultural, economic and historical factors meant to inform their representation of their country or organization. (aaas.org)