hours of necessary social labor, In the case we mention above, he would receive $2.00 a day.
In other words, a day's labor-power represents two hours of labor, embodied in the food, clothing and shelter that produce it, just as the two dollars in gold (or an equivalent) represent two hours of necessary labor. The labor-power is equal in value to the value of the $2.00 in gold. The workman has sold his labor-power at its value.
The workman receives enough ($2.00) in wages to eat, drink, to rest and clothe himself—enough to produce more labor-power. He receives the value of his labor-power.
But wage laborers sell their laboring-power to the bosses by the day or by the week, at so many hours a day. The capitalist buys the commodity (labor-power), paying for it at its value. If the wage worker is a miner, in two hours he will dig coal equal in value to his wage of $2.00 a day. The coal he digs will contain two hours of labor just as the two dollars in gold contain two hours of labor and as the necessaries for which he exchanges his two dollars, contain two hours of labor.
In other words, in two hours (of necessary labor) the miner would have produced value in coal equal to the value of his wages (or his laboring-power). But he sells his labor-power by the day or week and the boss prolongs the hours of work as far as possible.
In two hours, however, the miner has produced
