determining-wage-rates-imperfectly-competitive-labour-markets

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The Factors that Contribute to Imperfections in a Labour Market

In reality, labour market wages are not always determined according to the Marginal Revenue Product (MRP) theory
Firms and workers have some degree of influence over wage setting
The less competition in the labour market, the more power employers have in setting wages

Explaining the Imperfections in the Labour Market

Imperfection	Explanation
Monopsony	A monopsony occurs when there is a single employer of labour in a market, giving the employer considerable labour market power to set wages and employment This suppresses wages in the relevant market and may lead to industrial action and ongoing labour issues in the industry E.g. The NHS is the main employer of doctors and nurses in the UK and due to a lack of competition for their labour, the government has been able to suppress their wages for many years
Trade union	A trade union is an organisation that represents people who work in a particular industry to protect their rights through collective bargaining Trade union activity can cause wages to be set above a competitive market equilibrium rate E.g. The British Medical Association (BMA) is the UK trade union for doctors and is negotiating for better pay (2023/24)
Imperfect information	Imperfect information in the labour market occurs when employees or employers do not have the same level of information about employment, skills, or wages to make informed decisions It can lead to wage discrimination or mismatches between skills and job requirements Depending on the type of imperfection, wage levels may end up being higher or lower than they would be if the infromation was perfectly accessible

In a monopsony labour market, there is only one buyer of labour and wages are the same for all workers
This is often a single large employer, which gives them significant market power
The employer has the ability to influence both the wage rate and the level of employment
The average cost of labour (AC_L) or supply of labour, determines the wage rate at which workers are paid
The marginal cost of labour (MC_L) is greater than AC_Lbecause the monopsonist has to increase the wage rate for all workers when hiring just one extra worker
The MC_Lcurve includes the salary of the additional worker and also the extra money paid to all of the other workers
- This causes the marginal cost to be greater than the average cost

In a competitive labour market, wages and levels of employment are determined by the intersection of demand (MRP_L) and supply of labour (AC_L)
- This provides a wage rate of W1 and level of employment equal to E₁

The profit maximising level of employment for a monopsonist occurs when the MC_L = MRP_L
- This would provide an effective wage rate of W₂and level of employment equal to E₂
However, due to their market power, wages can be set at a lower level
- The monopsonist sets an effective wage rate of W₃at the employment level of E₂
By setting wages below the competitive level, the employer can reduce its labour costs and increase its profits