Ef that it is possible to assign to each person the exact portion of the national income that he or she has produced. To a child it seems that the blacksmith has made a horse-shoe, and that therefore the horse-shoe is his. But the blacksmith knows that the horse-shoe does not belong solely to him, but to his landlord, to the rate collector and taxgatherer, to the men from whom he bought the iron and anvil and the coals, leaving only a scrap of its value for himself; and this scrap he has to exchange with the butcher and baker and the clothier for the things that he really appropriates as living tissue or its wrappings, paying for all of them more than their cost; for these fellow traders of his have also their landlords and moneylenders to satisfy. If, then, such simple and direct village examples of apparent individual production turn out on a moment's examination to be the products