Do you have sources about diversity driving positive economic income ?
It seems to go without saying for you, but it's not that natural for me. There are several examples of very homogeneous countries, such as Japan or Korea, doing economical prowess.
The largest country in the world is Russia, and the richest is Iceland. Do you mean the US ?
If so, what makes you think the US got successful because of diversity instead of other factors ?
Similarly, there are studies showing that skill diversity is important, but not bio diversity. For example this meta-study[1] :
"Support was found for the positive impact of task-related diversity on team performance. In contrast,
bio-demographic diversity had no relationship with team performance"
It seems to go without saying for you, but it's not that natural for me. There are several examples of very homogeneous countries, such as Japan or Korea, doing economical prowess.