The funny thing about American Economics is that they teach that labor is a fixed input (I never really understood that concept, even through grad school). I think that it's based on the concept that, even though a few can move internationally, a majority of the labor force is incapable of leaving the nation (even if the cost-benefit is greatly to their advantage). Capital, however, is extremely mobile due to the cheapness of moving it. It's much less expensive to ship a machine to Brazil than to move there yourself.
Or something like that.
I was never really into the labor thing myself, I mainly studied econometrics and development. You know, the cool stuff :grin:
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