Das Kapital "increasing misery" doctrine, which is presumed to mean that the proletariat is absolutely immiserated. "Capital, Volume I" (1867); published in Marx’s lifetime: "Capital, Volume II" (1885); manuscript not completed by Marx before his death in 1883; subsequently edited and published, by friend and collaborator Friedrich Engels, as the work of Marx: "Capital, Volume III" (1894); manuscript not completed by Marx before his death in 1883; subsequently edited and published, by friend and collaborator Friedrich Engels, as the work of Marx: "Capital, Volume IV" (1905–1910); critical history of theories of surplus value; manuscript written by Marx; partial edition edited and published,
Differential and absolute ground rent Differential and absolute ground rent Differential ground rent and absolute ground rent are concepts used by Karl Marx in the third volume of Das Kapital to explain how the capitalist mode of production would operate in agricultural production, under the condition where most agricultural land was owned by a social class of land-owners who obtained rent income from those who farmed the land. The farm work could be done by the landowner himself, the tenant of the landowner, or by hired farm workers. Rent as an economic category is regarded by Marx as one form of surplus value just like