Thousands of elderly twins assure me that my kids will be alright
robertheaton.com
robertheaton.com
If Caplan is right, and the data says he is, the declining birth rate among the wests richest and smartest is a death knell.
Also, it would suggest we radically re-evaluate the usefulness of almost all redistribution programs. If outcomes are almost entirely genetic, we get far more efficient results by getting the rich/smart to have more kids than by trying to uplift the downtrodden.