The socialist calculation debate (sometimes known as the economic calculation debate) was a discourse on the subject of how a socialist economy would perform economic calculation given the absence of the law of value, money, financial prices for capital goods, and private ownership of the means of production. More specifically, the debate was centered on the application of economic planning for the allocation of the means of production as a substitute for capital markets, and whether or not such an arrangement would be superior to capitalism in terms of efficiency and productivity.
A central aspect of the debate concerned the role and scope of the law of value in a socialist economy.
Although contributions to the question of economic coordination and calculation under socialism existed within the socialist movement prior to the 20th century, the phrase socialist calculation debate emerged in the 1920s beginning with Ludwig von Mises' critique of socialism. The historical debate was cast between the Austrian school of economics, represented by Ludwig von Mises and Friedrich Hayek, who argued against the feasibility of socialism, and between neoclassical economists and Marxian economists, most notably Cläre Tisch (as a forerunner), Oskar Lange, Abba Lerner, Fred M. Taylor, Henry Douglas Dickinson and Maurice Dobb, who took the position that socialism was both feasible and superior to capitalism.
The debate was popularly viewed as a debate between proponents of capitalism and proponents of socialism, but in reality a significant portion of the debate was between socialists who held differing views regarding the utilization of markets and money in a socialist system and to what degree the law of value would continue to operate in a hypothetical socialist economy. Socialists generally held one of three major positions regarding the unit of calculation, including the view that money would continue to be the unit of calculation under socialism; that labor-time would be a unit of calculation; or that socialism would be based on calculation in natura or calculation performed in-kind.