In many international settings, regional economies are declining resulting in lowered opportunities for these communities. This result attacks the very fabric of cohesion and purpose for these regional societies, and increases social, health, economic and sustainability problems. Community...

This research explores the effects of within-group heterogeneity on group-level productivity. It establishes that observed genetic diversity of 230 worldwide ethnic groups, as well as predicted genetic diversity of 1,331 ethnic groups across the globe, has a hump-shaped effect on economic...