Louis F. Post,
The basic facts of economics
(1927)
“ Involving the production of commodities by individual contributors of human service through an infinity of specializations, and their assignment to individuals by the intricate processes of service for service, Trade tends not only to increase the per capita supply of commodities, but also to effect their fair per capita assignment in proportions corresponding to the relative desirability of the numerous and various contributions of individual service to their production. ”
