It's a bit confusing what he's arguing against. But his 2nd-last graph is the good one, [1]. That's only 20 years but [2] is the same thing since 1950.
Some things have become much cheaper, other things have become more expensive. Attempting to summarize that in one number seems like it hides more than it exposes, no matter what number you pick.
Some things have become much cheaper, other things have become more expensive. Attempting to summarize that in one number seems like it hides more than it exposes, no matter what number you pick.
[1] https://awealthofcommonsense.com/wp-content/uploads/2021/01/...
[2] https://marginalrevolution.com/marginalrevolution/2019/05/wh...