This looks like it's well in line with all of the existing contentious research on this subject. The problem is, of course, doing anything with this from a poli

This looks like it's well in line with all of the existing contentious research on this subject. The problem is, of course, doing anything with this from a policy standpoint. All of this knowledge leads to increased predictive power for anyone willing to consider it, but making policies around it generally is seen as "being biased" no matter how confident we are in the aggregate outcomes we expect.