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
Karl Marx-Hof Karl Marx-Hof Karl-Marx-Hof (English: "Karl Marx Court") is one of the best-known "Gemeindebauten" (English: "municipal tenement complexes") in Vienna, situated in Heiligenstadt, a neighbourhood of the 19th district of Vienna, Döbling. At over a kilometre in length () and spanning four Straßenbahn (tram) stops, Karl-Marx-Hof is the longest single residential building in the world. Karl-Marx-Hof is built on land that, until the 12th century, had been under the waters of the Danube, deep enough for ships to travel over the area. By 1750, all that remained was a pool of water, which was drained on the order of Holy Roman