In that case, the relative value of these commodities would be regulated by the same principle, as if one were the produce of Yorkshire, and the other of London; and in every other case, if capital freely flowed towards those countries where it could be most profitably employed, there could be no difference in the rate of profit, and no other difference in the real or labour price of commodities, than the additional quantity of labour required to convey them to the various markets where they were to be sold.