Revealed preference. Usage of train travel (public transit in general) goes down with income, and people in the US have an order of magnitude more disposable income versus Russia.
The take rate of air conditioning in subsaharan Africa is far lower compared to similar-climate places like Florida, but I wouldn't use that fact to posit that sans-AC is somehow better.
The take rate of air conditioning in subsaharan Africa is far lower compared to similar-climate places like Florida, but I wouldn't use that fact to posit that sans-AC is somehow better.