Some developer in Glasgow tried selling us a parking lot - we did the math and there was no way it would generate enough income to collect on its price. We were better off directing our investment where the math worked (emerging markets, etc).
The parking lot had a higher price then an entire chemical plant in Kenya that had a monopoly on supplying life saving generic drugs to 3 countries in Eastern Africa.
A lot of valuation in the US / UK is based on the dollar having reverse currency status, so don't get on your high horse about the US being more 'productive'.
It didn't stop the glasgow parking lot gaining it value afterwards, but as the saying goes - "The market can stay irrational longer than you can stay solvent".
I'm not on a horse of any size.
It's more difficult to find PPP data for cities than it is states, but here's the latter:
https://en.wikipedia.org/wiki/Comparison_between_U.S._states...
And for Belarus:
https://tradingeconomics.com/belarus/gdp-per-capita-ppp
You're right to notice that it's a better measure, but it still favors the spirit of my argument.
The suggestion that these two things aren't related is an extraordinary claim.
Just joking. [In every joke there is a portion of joke..]
Americans wildly underestimate the economic power of the United States. There are dozens of "small" U.S. metros that match the productivity of Belarus.
And those are the small metros. There are dozens more totally ignored "flyover dumps" -- think Cleveland, St. Louis, Kansas City, Columbus, etc -- with GDPs 3 or 4 or 5 times that of Belarus.
And only then do you get to an "irrelevant, dying" place like Detroit, whose GDP is ~$280 billion (about 6x that of Belarus).
Most of these comparisons shouldn't ever leave the gate.