Both of Chetty’s parents descend from the Chettiar caste, a mercantile group historically involved in banking, and the kids were raised to carry on their cultural heritage.

Source: https://vdare.com/posts/does-raj-chetty-practice-what-he-preaches

Raj Chetty’s data shows that MIT students with bachelor's degrees make more money at age 30 than bachelor's degree grads from any other college in the country.

Source: https://vdare.com/posts/one-college-stays-serious-on-testing-mit