The price of every thing rises and falls from time to time and place to place; and with every such change the purchasing power of money changes so far as that thing goes.
Producer's Surplus is a convenient name for the genus of which the rent of land is the leading species.
Capital is that part of wealth which is devoted to obtaining further wealth.
Material goods consist of useful material things, and of all rights to hold, or use, or derive benefits from material things, or to receive them at a future time.
Individual and national rights to wealth rest on the basis of civil and international law, or at least of custom that has the force of law.
All wealth consists of desirable things; that is, things which satisfy human wants directly or indirectly: but not all desirable things are reckoned as wealth.
