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
Economic planning are impossible organizational forms for managing a modern industrial system. Joseph Schumpeter, an economist associated with both the Austrian school and the Institutional school of economics, argued that the changing nature of economic activity (specifically the increasing bureaucratization and specialization required in production and management) was the major cause for capitalism eventually evolving into socialism. The role of the businessman was increasingly bureaucratic, and specific functions within the firm required increasingly specialized knowledge, which could be supplied as easily by state functionaries in publicly-owned enterprises. In the first volume of "Das Kapital", Karl Marx identified the process of capital accumulation