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Trade Unions Wages and Level of Employment

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Trade Unions Wages and Level of Employment

Bargaining power is the ability of an individual or an organisation to get what they want. In the labour market, there is an imbalance of bargaining power between employers and workers. Generally, employers have more bargaining power than the employees and reserve the right to set wages and work conditions.

To protect their rights and increase their bargaining position, employees often come together in an association such as a trade union. In what follows, you will learn about trade unions and their role in representing workers' interests.

The trade union, wages, and employment: overview

In an organisation, an individual has relatively weak bargaining power. The employer, on the other hand, has substantial knowledge about the company and the market, which gives them an advantage in negotiating wages and work conditions. To stand a better chance of getting what they want, employees can form an association to bargain collectively.

A trade union is a group of workers who come together to protect and promote their own rights.

The process by which a trade union negotiates wages and work conditions with the employer on behalf of workers is called collective bargaining. The market wage rate is determined through collective bargaining. Employers can also decide how many workers to hire at this wage rate.

The wage rate is the amount of money paid to workers per unit of time (hour, day) or per unit of output.

Changes in wage rates have a direct impact on the level of employment. With increasing wage rates, employers will hire fewer workers, which lowers employment. Conversely, the decreasing wage rates will cause employers to hire more workers, increasing employment levels.

In the UK, the role of collective bargaining is rather limited. This is due to two causes:

  1. The Employment Acts restrict the legal rights of the trade union.
  2. The trend towards globalisation and international trade.

Collective bargaining mainly works in public-sector industries which are excluded from international competition such as coal mining or national railways. With less influence from trade unions, wage rates are determined by employers. The workers must ‘take it or leave it’.

To learn more about this concept, check out our explanation on Trade Unions.

The effects of trade unions on how wage rates are determined

The trade unions’ main function is to bargain for higher wages for workers. Before we learn how this is done, let's see how wage rates are set.

A wage rate is determined when the demand for labour curve (D) and the supply of labour curve (S) intersect.

Trade Unions, Wages, and Level of Employment, labour market equilibrium, StudySmarterFigure 1. Labour market equilibrium - StudySmarter.

The intersection of the labour supply and labour demand is called the equilibrium of the labour market. Here, the quantity of labour demanded is equal to the quantity of labour supplied.

As you can see in Figure 1, the labour market reaches an equilibrium when firms hire L1 workers at the wage rate of W1.

The demand curve for labour is equal to the marginal revenue product of labour (MRP). This is the extra revenue the company earns by hiring one more worker.

To increase wage rates for workers, trade unions can:

  1. Increase the demand for labour.

  2. Decrease the supply of labour.

  3. Use its power to make firms increase wages.

Changes in the wage rate can affect the demand for labour:

  1. With an increasing wage rate, employers will hire fewer workers and the demand for labour will drop.

  2. With a decreasing wage rate, employers will hire more workers and the demand for labour will rise.

When there is an excess labour supply, trade companies can boost the level of employment through a process known as ‘featherbedding’: forcing firms to hire more workers than needed or assigning unnecessary tasks.

The effects of trade unions on wages and employment in the competitive labour market

A competitive labour market is one where multiple employers compete to hire employees. In a competitive labour market, firms are not wage setters. The market itself determines the wage rate.

The market wage rate at equilibrium is W1 and the number of workers employed is L1 (See Figure 2).

Trade unions, Wages and Level of Employment, Trade unions effects in competitive labour market graph, StudySmarterFigure 2. Effects of trade unions in the competitive labour market - StudySmarter.

Figure 2 illustrates the effect of trade unions on wages and employment in the competitive labour market.

Without trade unions, companies will hire L1 at the wage rate of W1. The labour supply curve (S) is the upward sloping curve which is also the average cost curve AC1.

If the trade union successfully bargains for a higher wage (W2), the supply of labour curve will become the kinked curve W2XS. Employment falls from L1 to L2 while wages increase from W1 to W2.

At the wage rate of W2, there is unemployment, depicted as the distance L3 - L2.

While the trade union manages to boost the wage rate from W1 to W2, it has caused the level of employment to fall from L1 to L2. The unemployment level is L3 - L2.

Due to this effect, economists believe that trade unions can lead to inefficiency and unemployment.

Trade Unions Wages and Level of Employment, Trade unions shift the supply curve, StudySmarterFigure 3. Trade unions shift the supply curve - StudySmarter.

Besides direct negotiation with employers, trade unions can influence the wage rate by establishing closed shops (keeping all non-members out of the labour force) or carrying out longer training for under-skilled workers. This will increase the control of trade unions over the labour force while creating a shortage of labour. Employers have to increase wages to meet the labour demand. This is shown in Figure 3 above.

The effects of trade unions on wages and employment in a monopsony market

A monopsony labour market is the opposite of a competitive labour market. While a competitive labour market is characterised by a large number of employers with access to a higher number of workers, a monopsony labour market only has one employer.

An example of a monopsony is a public transport company that acts as the sole employer or the sole purchaser of labour in a town.

Trade Unions, Wages and Level of Employment, Trade unions monopsony labour market graph, StudySmarterFigure 4. Monopsony labour market - StudySmarter.

In the monopsony labour market, the marginal cost of hiring one more worker (MC) is higher than the average cost of labour (AC1). This is because firms have to pay extra to attract new workers to the market.

However, they don't have to pay workers the wage rate of W3. They only need to pay between W1 and W2: just enough to motivate people to join the workforce. (See Figure 4).

Trade Unions, Wages and Level of Employment, Effects of trade unions in the monopsony labour market graph, StudySmarterFigure 5. Effects of trade unions in the monopsony labour market - StudySmarter.

Figure 5 illustrates the effect of trade unions on wages and unemployment in the monopsony labour market.

As you can see in the graph, the entry of a trade union 'kinks' the supply curve of labour (S) and creates a gap in the marginal cost curve for labour (MC).

Since monopsonists have incentives to employ more workers as long as the marginal cost of labour is less than the marginal revenue product of labour (MC < MRP), they will hire up to L2 workers.

The wage rate when L2 workers are hired is W2.

The trade union has increased both the wage rate (from W1 to W2) and the level of employment (L1 to L2).

Factors that affect the bargaining power of a trade union

Trade unions are formed to bargain for higher wages and work better conditions for the workers. However, the effect of trade unions is not the same in all cases. Depending on the nature of the market, trade unions may have more or less influence on the determination of market wage rates.

Here are five main forces that can affect the bargaining power of trade unions:

  • Trade union density: this is the percentage of the workforce in the trade union. The higher the density, the more powerful the trade union is.

  • Workers’ bargaining power: the bargaining power of workers is the ability of workers to get what they want. For example, a worker working for a monopsony firm has very little bargaining power compared to a worker in a trade union with 100% density (all company’s workers are in the union).

  • Economic environment: the economic environment can affect the profitability of a company. For example, companies that are thriving will be more willing to implement a wage raise than those that are struggling to survive.

  • Government policies: governments can enact policies that restrict the role of the unions. For example, a government can outlaw closed shops: a place where all employees agree to join a trade union.

  • The nature of the labour market: the labour market can be competitive or monopsony. In a competitive labour market, higher wages pushed by trade unions can cause unemployment. In a monopsony market, however, trade unions can bargain for higher wages without increasing unemployment.

There are also some factors that can reduce the powers of a trade union. They are:

  • The growth of the gig economy such as freelance, part-time, and temporary jobs.

  • The growth of the service sector at the expense of the manufacturing sector.

  • The decline of the pubic-sector companies.

Pros and cons of trade unions

While trade unions act on workers' interests, their entry does not always lead to positive outcomes. In some cases, the formation of a trade union can have a negative impact on companies and the economy as a whole.

Here are some pros and cons of forming a trade union:

Pros

Cons

Unions can bargain for higher wages without lowering employment.

In a competitive labour market, trade unions pushing wages above the equilibrium point can lead to unemployment.

Higher wages can result in increased labour productivity.

Unions can increase wages which leads to inflation.

Unions can represent workers to negotiate their desired terms with the employer.

Unsuccessful negotiation may end up in workers’ strikes.

Unions bring workers and employers closer together.

It’s hard to form a trade union today when the gig economy is on the rise.

Table 1. Advantages and disadvantages of trade unions - StudySmarter.

Trade unions tend to work in public-sector or manufacturing industries where international trade is limited. However, the gig economy is limiting the power of trade unions in many industries. In a competitive labour market, trade unions' success in raising wages often comes at the expense of employment. However, there are cases when the trade union's push for higher wages can increase employment such as in a monopsony market.

Trade Unions, Wages and Level of Employment - Key takeaways

  • A trade union is a group of workers who come together to protect and promote their own rights.
  • A trade union increases workers' bargaining power for higher wages and better work conditions.
  • Collective bargaining is the process by which the trade union presents workers' interests to the employer.
  • Market wage rates and the number of workers hired can be set through collective bargaining.
  • The change in wage rates can affect the level of employment. Typically, a higher wage rate will motivate more people to join the workforce.
  • Factors influencing the bargaining power of the trade union include trade union density, workers' bargaining power, economic environment, government policies, and nature of the labour market.
  • In a competitive labour market, the bargain for higher wages by trade unions can come at the expense of employment.
  • In a monopsony market (market of one employer), trade unions' push for higher wages can lead to higher employment.

Frequently Asked Questions about Trade Unions Wages and Level of Employment

Trade unions can bargain with employers to increase the workers’ wage rate. In a competitive labour market, the bargain for higher wages can result in lower employment as employers are less motivated to hire extra workers. 


However, there are some cases such as in a monopsony market (a market of only one employer), the higher wage rate negotiated by the trade union can lead to higher employment.

In a competitive labour market, the higher wage rate pushed by the trade union can result in companies hiring fewer staff, thus reducing the level of employment.

The main disadvantage of trade unions is that higher wages can result in lower employment. As people earn more wages, the demand increases and inflation might occur. This increases the price levels of goods and services.

Trade unions represent the employees in negotiating wages and work conditions with employers. Individual workers have a relatively weak bargaining power due to their limited knowledge of the company and the overall market. To increase the chance of getting what they want, they should join a trade union to bargain collectively with the employer.

The bargaining power of a trade union can be influenced by trade union density, workers' bargaining power, economic environment, government policies, and the nature of the labour market.

Final Trade Unions Wages and Level of Employment Quiz

Question

What is a trade union?

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Answer

Trade unions are groups of workers in an organisation or a market who come together to protect and promote their rights. 

Show question

Question

Trade unions can represent employees to negotiate for________ and __________.

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Answer

higher wages and better work conditions

Show question

Question

Individual workers have relatively weak bargaining power. 

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Answer

True

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Question

There tends to be an imbalance between the bargaining power of workers and employers. 

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Answer

True

Show question

Question

What is bargaining power in the labour market?

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Answer

The ability for workers or employers to get what they want. 

Show question

Question

What will happen to the level of employment in a competitive labour market when trade unions push for higher wages?

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Answer

The level of employment will decrease.

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Question

The labour market equilibrium is the intersection between ________ and _________.

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Answer

The supply curve and the demand curve of labour

Show question

Question

What is the demand curve of labour equal to?

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Answer

The marginal revenue product of labour (MRP). This is the extra revenue the company earns by hiring one more worker. 

Show question

Question

A company has incentives to hire more workers as long as ___________

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Answer

marginal cost of hiring an extra worker is lower than the marginal revenue product of labour.

Show question

Question

How does the labour supply curve in a competitive market change when trade unions push for higher wages?

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Answer

It becomes a kinked curve.

Show question

Question

The level of unemployment does not change as the trade unions successfully bargain for higher wages in a competitive market. 

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Answer

True

Show question

Question

Define a close shop. 

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Answer

A trade union with all the workers in an organisation. 

Show question

Question

By establishing closed shops or carrying out longer training for the under-skilled workers, trade unions can create a 


Show answer

Answer

Shortage of labour

Show question

Question

What is a monopsony labour market?

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Answer

A labour market with only one employer.

Show question

Question

In a monopsony labour market, the trade union can increase both the wage rate and the level of employment in a monopsony market. 

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Answer

True

Show question

Question

What factors can influence the bargaining power of a trade union?

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Answer

  • Trade union density. 
  • Workers' bargaining power.
  • Economic environment.
  • Government policies.
  • The nature of the labour market. 

Show question

Question

Higher wages can result in __________ productivity. 

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Answer

Higher 

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Question

Name three disadvantages of trade unions. 

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Answer

  • Strikes as a result of unsuccessful negotiations. 
  • Increased wages can lead to inflation.
  • In a competitive labour market, trade unions pushing wages above the equilibrium point can lead to unemployment.

Show question

Question

In the gig economy, the power of trade unions is decreasing.

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Answer

False

Show question

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