Das Kapital sciences published before 1950. In "Das Kapital" (1867), Marx proposes that the motivating force of capitalism is in the exploitation of labor, whose unpaid work is the ultimate source of surplus value. The owner of the means of production is able to claim the right to this surplus value because he or she is legally protected by the ruling regime through property rights and the legally established distribution of shares which are by law only to be distributed to company owners and their board members. The historical section shows how these rights were acquired in the first place chiefly through
Das Kapital after Marx's death, by Karl Kautsky, as "Theories of Surplus Value"; other editions published later: Das Kapital Das Kapital, also known as Capital. Critique of Political Economy (, ; 1867–1883) by Karl Marx is a foundational theoretical text in materialist philosophy, economics and politics. Marx aimed to reveal the economic patterns underpinning the capitalist mode of production, in contrast to classical political economists such as Adam Smith, Jean-Baptiste Say, David Ricardo and John Stuart Mill. Marx did not live to publish the planned second and third parts, but they were both completed from his notes and published after his death