Das Kapital class struggle rooted in the capitalist social relations of production. The first of three volumes of "Das Kapital. Kritik der politischen Ökonomie" ("Capital. Critique of Political Economy") was published on 14 September 1867, dedicated to Wilhelm Wolff and was the sole volume published in Marx’s lifetime. "Capital, Volume II", subtitled "The Process of Circulation of Capital", was prepared by Engels from notes left by Marx and published in 1885. It is divided into three parts: "The Metamorphoses of Capital and Their Circuits", "The Turnover of Capital" and "The Reproduction and Circulation of the Aggregate Social Capital". In "Volume II", the
Karl Marx and the Close of His System labour value, he argues that the basic error in Marx's system resulted from a self-contradiction of Marx's law of value, namely how the rate of profit and the prices of production of the third volume of Marx's "Capital" contradict Marx's theory of value in the first volume. He maintains that since the law of value is not directly controlling in capitalist production, the theory of value must be abandoned. Bawerk also attacks Marx for downplaying the influence of supply and demand in determining permanent price, and for deliberate ambiguity with such concepts. "Karl Marx and the Close of His System"