The empirical studies of labour market and wages support the labour market equilibrium.
On a general note ,workers prefer to work when the wages are a bit high that is supporting their economic status and firms prefer to hire when the wage is low.
The market clearing wage does not create any upward or downward pressure on wage resulting equilibrium of too many jobs or few available workers vice versa.
Hence, the value of marginal product of labour equals the competitive wage.
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