Earlier quoted context omitted.
I generally see charts like this in relation to Baumol's cost disease, I'm surprised the linked article never mentions Baumol, but goes on to talk about government regulation and foreign competition. https://en.wikipedia.org/wiki/Baumol_effect (See also section on education https://en.wikipedia.org/wiki/Baumol_effect#Education ) Basically as scalable goods and services get cheaper, non-scalable goods and services bec…
If Baumol was solely the reason for increased prices, I expect the increase to be more in line with the increase in prices for hiring tradespeople or other professional services.
https://www.lesswrong.com/posts/FCMfToFnRXhsfpfQB/book-revie...