Concentration of production

Cross posted at Political Arguments.

V. I. Lenin, Imperialism, the Highest Stage of Capitalism:

The enormous growth of industry and the remarkably rapid concentration of production in ever-larger enterprises are one of the most characteristic features of capitalism.
[...]
From this it can be seen that at a certain stage of its development concentration itself, as it were, leads straight to monopoly, for a score or so of giant enterprises can easily arrive at an agreement, and on the other hand, the hindrance to competition, the tendency towards monopoly, arises from the huge size of the enterprises. This transformation of competition into monopoly is one of the most important?if not the most important?phenomena of modern capitalist economy, and we must deal with it in greater detail.

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