It’s vary naive to suppose that prosperity is only down to know-how, and also not things like natural resource wealth, history (eg using colonisation to grab resources from other countries), etc.
Aribtrage has a number of effects including evening out costs and prices. There are
hefty “trade barriers” against movements of workers almost everywhere that leave
wide disparitiees in wages un arbitraged out. We regard this as normal, although it
is the opposite of the situation regarded as desirable regarding the free movement of goods.
It’s vary naive to suppose that prosperity is only down to know-how, and also not things like natural resource wealth, history (eg using colonisation to grab resources from other countries), etc.
Aribtrage has a number of effects including evening out costs and prices. There are hefty “trade barriers” against movements of workers almost everywhere that leave wide disparitiees in wages un arbitraged out. We regard this as normal, although it is the opposite of the situation regarded as desirable regarding the free movement of goods.