Economics wealth (capital) and a constant population size. Marxist (later, Marxian) economics descends from classical economics. It derives from the work of Karl Marx. The first volume of Marx's major work, "Das Kapital", was published in German in 1867. In it, Marx focused on the labour theory of value and the theory of surplus value which, he believed, explained the exploitation of labour by capital. The labour theory of value held that the value of an exchanged commodity was determined by the labour that went into its production and the theory of surplus value demonstrated how the workers only got paid
Das Kapital Volume II" (1885) and "Capital, Volume III" (1894), which friend and collaborator Friedrich Engels edited and published as the work of Marx. The first translated publication of "Das Kapital" was in Imperial Russia in March 1872. It was the first foreign publication and the English edition appeared in 1887. Despite Tsarist censorship proscribing "the harmful doctrines of socialism and communism", the Russian censors considered "Capital" as a "strictly scientific work" of political economy the content of which did not apply to monarchic Russia, where "capitalist exploitation" had never occurred and was officially dismissed, given "that very few people in Russia