What is the Fundamental Theorem of Marxism?
The rate of profit is positive in the system of prices of production if and only if some workers are exploited. Michio Morishima stated and proved this mathematical theorem in his interpretation of Marx’s economics. It is true, with an appropriate definition of labor values, under a wide range of assumptions, including the existence of joint production, of production processes using circulating and fixed capital, of natural resources used in production, and of heterogeneous labor not reducible to a single dimension of abstract labor time.
