That research does not exist, because it's astoundingly narrow and this topic is immensely difficult to research, in general, let alone compound some kind of re

That research does not exist, because it's astoundingly narrow and this topic is immensely difficult to research, in general, let alone compound some kind of review or whatever it is you're looking for. Have you tried Googling? Here are some interesting results (keep in mind science is almost never a home run; that is, you're not going to ever find a study that's like, "We definitively solve this problem for all time and for all mankind"): https://www.researchgate.net/profile/Stephen_Tallman/publication/228123261_Effects_of_International_Diversity_and_Product_Diversity_on_the_Performance_of_Multinational_Firms/links/00b7d5267dc1adc6d2000000.pdf http://asq.sagepub.com/content/44/1/1.short https://www.gsb.stanford.edu/insights/diversity-work-group-performance http://www.mckinsey.com/business-functions/organization/our-insights/why-diversity-matters http://www.scientificamerican.com/article/how-diversity-makes-us-smarter/ http://hbswk.hbs.edu/item/why-does-lack-of-gender-diversity-hurt-performance http://enewsline.aacsb.edu/diversity-in-groups-can-improve-innovation-and-performance.asp http://www.sciencedirect.com/science/article/pii/S1053482209000795 http://www.sciencedirect.com/science/article/pii/S2212567114001786