By-product

Definition and stakes

Frederick Arthur Ambrose Talbot,  Millions from Waste (1920)

“ Firmly entrenched upon the market development is vigorously pursued, often to culminate in the quondam waste, now an established by-product, being lifted to such a position of commercial eminence as to dispute premier recognition with the staple in the production of which it is incurred. In more than one instance the by-product has even eclipsed the primary product, or at least attained a level of equal importance, while occasionally the staple has even suffered virtual deposition to rank as little else but a by-product. ”
Source: Gutenberg

P.-J. Proudhon,  What is Property? An Inquiry into the Principle of Right and of Government

“ The various articles of consumption are given to each by all; consequently, the production of each involves the production of all. One product cannot exist without another; an isolated industry is an impossible thing. What would be the harvest of the farmer, if others did not manufacture for him barns, wagons, ploughs, clothes, &c.? Where would be the savant without the publisher; the printer without the typecaster and the machinist; and these, in their turn, without a multitude of other industries?... ”
Source: Gutenberg

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