[tossandthrow]

Source?

When I run the calculations and take vacation, health, education for the median person they are close to similar.

But these calculations does not take into consideration: less noisy cities, walkable neighborhoods, longer life expectancy, higher quality food, better workers protections, education, etc.

An honest study would need to include the value of the commons.

> roughly 20-40% richer

This is likely wrong. Americans have better purchasing power, but are not necessarily richer.