necessary labour; necessary work
Philosophical term, often used in Marxist economics to refer to the portion of labour that is socially necessary for production.
In Marxian economics, the distinction between necessary labour and surplus labour is important.
Surplus labour; the labour performed beyond what is socially necessary, often contrasted with 必要労働 in Marxist theory.
necessary labour time
Compound of 必要 (necessary) and 労働 (labour), a calque from Western philosophical and economic terminology.