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Chap. III. get one-third more in quantity or quality of all the things he desired.

And, so, where production is carried on by the division of labor between individuals, an increase in the power of producing one of the things sought by production in the aggregate, adds to the power of obtaining others, and will increase the production of the others, to an extent determined by the proportion which the saving of labor bears to the total amount of labor expended, and by the relative strength of desires. I am unable to think of any form of wealth, the demand for which would not be increased by a saving in the labor required to produce the others. Hearses and coffins have been selected as examples of things for which the demand is little likely to increase; but this is only true as to quantity. That increased power of supply would lead to a demand for more expensive hearses and coffins, no one can doubt who has noticed how strong is the desire to show regard for the dead by costly funerals.

Nor is the demand for food limited, as in economic reasoning is frequently, but erroneously, assumed. Subsistence is often spoken of as though it were a fixed quantity; but it is only fixed as having a definite minimum. Less than a certain amount will not keep a human being alive, and less than a somewhat larger amount will not keep a human being in good health. But, above this minimum, the subsistence which a human being can use may be increased almost indefinitely. Adam Smith says, and Ricardo indorses the statement, that the desire for food is limited in every man by the narrow capacity of the human stomach; but this, manifestly, is only true in the sense that when a man's belly is filled, hunger is satisfied. His demands for food have no such limit. The stomach of a Louis XIV, a Louis XV, or a Louis XVI, could not hold or digest more than the stomach of a French peasant of equal stature, yet, while a few rods of ground would supply the black bread and herbs which constituted the subsistence of the peasant, it took hundreds of thousands of acres to supply