Producer's Surplus is a convenient name for the genus of which the rent of land is the leading species.
Alfred MarshallNature's action is complex: and nothing is gained in the long run by pretending that it is simple, and trying to describe it in a series of elementary propositions.
Alfred MarshallWe might as well reasonably dispute whether it is the upper or the under blade of a pair of scissors that cuts a piece of paper, as whether value is governed by demand or supply.
Alfred MarshallIn every age poets and social reformers have tried to stimulate the people of their own time to a nobler life by enchanting stories of the virtues of the heroes of old.
Alfred Marshall