Gladwell thought I was describing a capitalization rate, “which refers to how efficiently any group makes use of its talent. Sub-Saharan Africa is radically undercapitalized when it comes to, say, physics: There are a large number of people who live there who have the ability to be physicists but never get the chance to develop that talent. Canada, by contrast, is highly capitalized when it comes to hockey players: If you can play hockey in Canada, trust me, we will find you.
