Section 7 - The Labour Market Flashcards
Economically active population - definition
> The economically active population is the people in an economy who are capable of, and old enough to, work (regardless of whether they’re employed or unemployed).
Labour
> The demand for labour comes from firms and the supply of labour comes from the economically active population.
Demand for labour
> The demand for labour is derived demand.
When firms demand workers it’s because they need them to make the goods that are being demanded by their customers.
So the demand for labour is driven by the demand for the goods that this labour would produce - this is derived demand.
When demand for these goods increases, so does the demand for labour.
When demand for these goods decreases, the derived demand for labour also decreases resulting in unemployment.
Firms and demand for labour
> Firms demand labour in order to make revenue from selling the goods/services that the labour produces.
The marginal productivity theory says that the demand for any factor of production depends on its marginal revenue product (MRP).
Firms will only hire workers if they add more to a firm’s revenue than they add to costs.
Marginal revenue product of labour (MRPL)
> The MRPL is the extra revenue gained by the firm from employing one more worker.
It is calculated by multiplying the MPPS by the marginal revenue (MR, price per unit).
Marginal cost of labour
> The cost of hiring one additional worker.
>In a perfectly competitive labour market the MCL is equal to the wage paid to the additional worker.
Perfectly competitive labour market and wages
> In a perfectly competitive labour market the firm can’t influence the wage - the wage on the diagram is the equilibrium wage (the wage where supply equals demand in the market).
If you compare the wage to the MRPL, this indicates the quantity of labour a firm needs to use to be most cost-effective.
When MRPL is equal to the market equilibrium wage, the firm as the optimum number of workers to maximise profits.
When MRPL is greater than the wage then firm is employing too few workers and vice versa.
MRPL and MPPL
> MRPL = MPPL x MR.
As the values on the MPPL curve are multiplied by the MR to form the MRPL curve, the curves are the same shape.
The MPPL curve is downward sloping because of the law of diminishing returns.
In other words, as each new worker is employed the amount of additional output that’s produced falls.
What is demand for labour affected by?
> Productivity
>Wage
Demand for labour and productivity
> Generally, a firm’s demand for labour will decrease if wages rise. However, this depends on whether the wage increase is accompanied by an increase in productivity.
Higher levels of productivity reduce unit labour costs.
So if wages increase but are accompanied by an equivalent increase in worker productivity, this means that the unit labour cost stays the same and demand for labour is unaffected.
Unit labour costs - definition
> Unit labour costs are the labour costs per unit of output.
Unit labour costs - info
> High unit labour costs suggest there’s low productivity and this would reduce a country’s international competitiveness.
If a firm’s unit labour costs are reduced as a result of an increase in labour productivity, it’ll become more competitive - unless the increase is due to something which will improve the labour productivity of competing firms too, such as new technology, in which case relative competitiveness won’t change.
International competition may mean the unit labour cost in a particular industry is too high and in some countries for them to be competitive and production in that industry will stop.
MRPL curve
> The MRPL curve is also the demand curve for labour.
Anything that affects the MRP (or MPP or MR) will shift the demand (MRPL) curve for labour.
Examples include:
-A change in the price of goods sold (MR) - if demand falls for a firm’s product and its price falls, this would decrease the firm’s demand for labour and the MRPL curve would shift left.
-Factors that affect labour productivity - e.g. if new technology or training increase the productivity of workers, this would increase the demand for labour and the MRPL curve would shift to the right.
-Increases to the costs of labour - the cost of labour doesn’t only include wages. It also includes costs such as training, uniforms, safety equipment, and NI contributions. If any of these labour costs increased, this would decrease the demand for labour and the MRPL curve would shift to the left.
Elasticity of demand for labour - basic
> A.k.a wage elasticity of demand for labour.
Elasticity of demand for labour measures the change in demand for labour when the wage level changes.
It’s calculated by dividing the % change in the quantity of labour demanded by the % change in the wage rate.
When demand for labour is elastic, small wage changes can cause large changes in the quantity of labour demanded.
Elasticity of demand for labour - factors
- The demand for labour is always more elastic in the long run as firms can make plans for the future to replace labour (or take on more). In the short run, changes are more difficult to make, so demand for labour is more inelastic.
- If labour can be substituted easily by capital (e.g. machines), then the demand for labour will be elastic.
- If wages are a small proportion of a firm’s total costs then the demand for labour will be more inelastic - this is because a wage increase will have little impact on total costs. If wages are a large proportion of a firm’s total costs then demand for labour will be more elastic - even small wage increases will have a large impact on total costs.
- It’s important to consider the PED of the product being made. The more price elastic the demand for the product is, the more elastic the demand for labour will be. In this situation when wages rise, firms aren’t able to pass the increase in costs (higher wages) to consumers by increasing prices. If they did their sales would decrease by a greater proportion than the increase in price - so overall their sales revenue would fall.
Labour supply - definition
> Can refer to individual or occupation.
An individual’s labour supply is the total number of hours that the person is willing to work at a given wage rate. In the short run the supply of labour depends on an individual’s decision to choose between work or leisure at a given wage rate.
For an occupation, the labour supply is the number of workers willing to work in that occupation at a given wage rate.
Labour supply - trend
> As the wage rate for an occupation rises, the quantity of labour supplied increases:
- Usually, individuals are prepared to work more hours as the wage rate increases. However, there’ll be a limit to how many hours an individual will be prepared to work, even if wages continue to rise.
- Although individual workers have a limit to the amount of labour they’re willing to supply, high wages will attract more workers to an occupation and increase the labour supply.
- This means that the supply curve for labour in an occupation slopes upwards.
Influencing the supply of labour
> The supply of labour in the long run is determined by pecuniary (monetary) and non-pecuniary (non-monetary) factors. These factors determine the welfare gained by working, which is known as the net advantage.
The net advantage of a job can be divided into 2 types of benefits - pecuniary and non-pecuniary benefits.
When a worker enjoys their job (has high job satisfaction) they’re more willing to accept a lower wage (low pecuniary benefits) because they gain high non-pecuniary benefits from their job.
People are likely to gain low non-pecuniary benefits from unpleasant of boring jobs with low job satisfaction. Everything else being equal, workers doing these jobs will want a higher wage to compensate for the low non-pecuniary benefits they receive.
Net advantage
> The welfare gained by working.
Can be divided into 2 types of benefits:
1. Pecuniary benefits: this is the welfare the worker gains from the wage they receive (or more specifically, what’s bought with it).
2. Non-pecuniary benefits: this is the welfare a worker can gain from non-wage benefits of their job. Firms offering non-pecuniary benefits can encourage workers to supply more labour at a given wage rate. So they can effectively cause the position of the labour curve to shift.
Examples of non-pecuniary benefits
>Flexible working hours >Employee discount >A generous holiday allowance >Convenience of job location >Training available >Opportunities for promotion >Job security >Perks of the job (e.g. a company car) >Job satisfaction.
Factors that can affect the supply of labour (other than wage and non-pecuniary benefits)
> Factors that affect the supply of labour include:
-the size of the working population in an area or the country as a whole. For example, if there’s an ageing population with a large proportion of people in retirement then there may be insufficient workers to meet demand for labour.
-the competitiveness of wages - workers may pick the job that will pay them the highest wage. Firms/industries that pay poor wages may struggle to attract enough labour.
-the publicising of job opportunities - it may be difficult to attract sufficient workers to a particular job/industry if jobs aren’t advertised effectively.
Net migration.
What does the quantity of labour supplied depend on?
> The elasticity of labour supply.
Elasticity of labour supply
- The main determinant of the elasticity of labour supply is the level of skills and qualifications needed for a job.
- The mobility of labour.
Elasticity of labour supply - skills and qualifications
> Low-skilled jobs:
1. In low-skilled jobs the supply of labour tends to be elastic. This means that a small rise in the wage rate causes a proportionally larger rise in the quantity of labour supplied. This is because there’s a large pool of low-skilled workers and many may be unemployed and looking for work (i.e. very willing to work).
2. It’s also important to remember that most low-skilled jobs tend to have similar wage rates. If one low-skilled job increases its wage rate, even by a small amount, low-skilled workers from other occupations will be attracted quickly.
Skilled jobs:
1. The supply curves for skilled jobs such as doctors, pilots and lawyers tend to be inelastic, particularly in the short run. This can be explained by looking at the following example.
2. If there was a shortage of doctors in the UK, a rise in the wage rate would not be enough to increase the supply in the short run as it takes several years to train to become a doctor. Increasing wage rates would have the effect of persuading more people to choose medicine at uni (in order to become doctors), but this would only have an effect in the long term.
-(net migration of doctors from other countries into the UK could increase supply in the short run).