GDP is absolute values, so there’s quite a bit of self reinforcement. Especially in service heavy areas, your massage cost 30$ for half an hour, elsewhere you can get a better one for 10$ an hour.
Although the second economy delivered twice the goods at a higher quality, the economic output was 1/3rd
Yes, it gets called a “litmus test”. If it’s higher you can be reasonably sure whatever place is richer (although banking hubs break that a bit). It itself doesn’t correspond to that more than empirically, though.
GDP is absolute values, so there’s quite a bit of self reinforcement. Especially in service heavy areas, your massage cost 30$ for half an hour, elsewhere you can get a better one for 10$ an hour.
Although the second economy delivered twice the goods at a higher quality, the economic output was 1/3rd
Yes, it gets called a “litmus test”. If it’s higher you can be reasonably sure whatever place is richer (although banking hubs break that a bit). It itself doesn’t correspond to that more than empirically, though.