Das Kapital order, was held by Marx and Engels to—as a result of various contradictions in the capitalist mode of production—result in crises whose resolution necessitates the emergence of an entirely new mode of production as the culmination of the same historical dialectic that led to the emergence of capitalism from prior forms. The purpose of "Das Kapital" (1867) was a scientific foundation for the politics of the modern labour movement. The analyses were meant "to bring a science, by criticism, to the point where it can be dialectically represented" and so "reveal the law of motion of modern society" to describe
Value product only to the net output of "capitalist" production, not to the valuation of "all" production in a society, part of which may of course not be commercial production at all. The concept is formulated more precisely when Marx considers the reproduction and distribution of the national income (see e.g. his manuscript called "Results of the Immediate [or Direct] Process of Production", available in English in the Pelican edition of "Das Kapital"), and also online; and the last chapters of "Das Kapital" Volume 3). Marx wrote this in 1864, i.e. about 70 years or so before the first comprehensive Gross National