Do homogeneous societies such as Japan, Sweden, Finland and China have an advantage over diverse societies like Brazil, South Africa, and Tanzania?
Food for thought: http://www.boston.com/news/globe/ideas/articles/2007/08/05/the_downside_of_diversity/?page=full
Food for thought: http://www.boston.com/news/globe/ideas/articles/2007/08/05/the_downside_of_diversity/?page=full