Like other commodities, labor-power has a value once has become a commodity, and its value is determined by the labor-time socially necessary for the production and reproduction of this commodity. However, as a particular commodity, labor-power’s value has a particularity compared with that of commodities in general. Labor-power is human labor-capacity, the aggregate of those mental and physical faculties existing in the physical body, the living personality, of a human being, capabilities which he sets in motion whenever he produces a use-value of any kind. Therefore, labor-power is dependent on the living personality, and the production and reproduction of labor-power presupposes the existence of the worker. Only when the workers consume certain means of life and services, can they maintain a normal state of existence and continuously provide their labor-power. Therefore, the labor-time socially necessary to produce and reproduce labor-power can be reduced to the labor-time necessary to produce various means of life. The value of labor-power is determined by the value of the necessities of life required for the production, development, maintenance and continuation of labor-power, and the value of the commodity labor-power is the value of the means of life that the worker requires for maintaining his survival. Concretely speaking, the value of the commodity labor-power consists of three contents: the value of the means of life that the worker requires for his survival; the value of the means of life necessary for the worker for his reproduction and the propagation of his race; and the costs of education and training of the worker, etc…
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