Why a lack of diversity hurts economics–and economists
amazon.science
amazon.science
The same is true for China.
And India.
In fact, let's just cut to the chase: it is only the west that seems to subscribe to this notion.
P.S. Here's a culture that does appear to be "struggling" with / from diversity: Russia.
>If you don't see anyone who looks like you in the profession, it could be difficult to imagine yourself in the domain.
In other words, diversity creates problems that otherwise wouldn't exist.