(What is not so clear, and not explained by Marx either, is why the supply of labour should continue to exceed the demand. For if it is so profitable to ‘exploit’ labour, how is it, then, that the capitalists are not forced, by competition, to try to raise their profits by employing more labour? In other words, why do they not compete against each other on the labour market, thereby raising the wages to the point where they begin to become no longer sufficiently profitable, so that it is no longer possible to speak of exploitation? Marx would have answered—see section V, below—‘Because
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