I recently went looking for the studies that support the "more diverse corporations perform better" statistic that I keep hearing cited and was unable to find a

I recently went looking for the studies that support the "more diverse corporations perform better" statistic that I keep hearing cited and was unable to find any. I can't read the whole article, so maybe some studies are linked further down than I can see, but it's interesting that the evidence (thin or not) is so hard to find.