Heckman is a very talented, very technical economist who has made crucial contributions to the science. He's one of those guys that I worry people will fail to appreciate if they get told about "over-mathematized economics" or "mainline vs. mainstream" or whatever you want to call it.
Heckman is a highly technical writer who non-technical, non-economists have appreciated. At the Urban Institute his work on early childhood was considered essential by the developmental psychologists and child welfare experts with an interest in policy.
The Lonely Unicorn
4 hours ago