"The opposite of competition is monopoly. Monopoly was the war-cry of the Mercantilists; competition the battle-cry of the liberal economists. It is easy to see that this antithesis is again a quite hollow antithesis. Every competitor cannot but desire to have the monopoly, be he worker, capitalist or landowner. Each smaller group of competitors cannot but desire to have the monopoly for itself against all others. Competition is based on self-interest, and self-interest in turn breeds monopoly. In short, competition passes over into monopoly. On the other hand, monopoly cannot stem the tide of competition – indeed, it itself breeds competition; just as a prohibition of , for instance, or high positively breed the competition of ."