Exam code: 7136
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Define derived demand.
Derived demand is demand for a factor of production that arises from, and depends on, the demand for the goods and services it is used to produce.

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Why is the demand for labour described as a derived demand?
The demand for labour is a derived demand because it depends on the demand for the goods and services that labour produces.
Define the marginal physical product of labour (MPP_L).
The marginal physical product of labour is the extra output produced when an additional unit of labour is employed.
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Define derived demand.
Derived demand is demand for a factor of production that arises from, and depends on, the demand for the goods and services it is used to produce.
Why is the demand for labour described as a derived demand?
The demand for labour is a derived demand because it depends on the demand for the goods and services that labour produces.
Define the marginal physical product of labour (MPP_L).
The marginal physical product of labour is the extra output produced when an additional unit of labour is employed.
True or False?
The marginal revenue product of labour equals the marginal physical product of labour multiplied by the price of the product.
True.
MRPL is found by multiplying MPPL by price, so it measures the extra revenue earned from employing one more worker.
As more workers are employed, their marginal product will eventually begin to .
As more workers are employed, their marginal product will eventually begin to decline.
What is the relationship between the wage rate and the quantity of labour demanded?
There is an inverse relationship: as the wage rate rises the quantity of labour demanded falls, giving a downward-sloping demand curve.
Define the market demand curve for labour.
The market demand curve for labour is the sum of all individual firms' marginal revenue product of labour curves.
Give one factor that shifts the demand curve for labour to the right.
A rise in the productivity of labour lowers average costs, so firms demand more labour and the demand curve shifts right.
True or False?
If it becomes more cost-effective to replace workers with machinery, the demand curve for labour shifts to the right.
False.
Substituting capital for labour reduces the demand for labour, shifting the demand curve to the left.
Define the elasticity of demand for labour.
The elasticity of demand for labour measures how responsive a firm's demand for labour is to a change in the wage rate.
How does the proportion of labour costs to total costs affect the elasticity of demand for labour?
The higher the proportion of labour costs to total costs, the more elastic the demand for labour will be.
In the short run, the demand for labour tends to be more price .
In the short run, the demand for labour tends to be more price inelastic.
Define commission.
Commission is pay calculated as a percentage of the value of the transactions a worker completes, such as sales.
Define piece rate pay.
Piece rate pay is a fixed amount paid to a worker for each completed item they produce.
How does a salary differ from a wage?
A salary is an agreed annual amount paid in equal instalments regardless of hours worked, whereas a wage is paid per hour worked.
True or False?
Fringe benefits, such as a company car or free childcare, are provided in addition to a worker's normal salary.
True.
Fringe benefits are non-wage perks provided on top of normal pay and can strongly influence occupational choice.
The longer the length of or education required for a job, the fewer people who seek employment in that occupation.
The longer the length of training or education required for a job, the fewer people who seek employment in that occupation.
Name two non-monetary factors that influence the supply of labour to an occupation.
Non-monetary factors include job satisfaction and job security, as well as career prospects, status and work/life balance.
Define job satisfaction.
Job satisfaction is the fulfilment and enjoyment a worker gains from performing their job role.
Why does the labour supply curve slope upwards?
There is a positive relationship between the wage rate and labour supplied, so a higher wage rate attracts more workers into the occupation.
True or False?
A fall in the wage rate on offer in an occupation reduces the quantity of labour supplied to it.
True.
Because the supply curve is upward-sloping, a lower wage rate reduces the quantity of labour supplied.
The usual assumption is that as income tax rises, the supply of labour .
The usual assumption is that as income tax rises, the supply of labour decreases.
How can a more open migration policy affect the supply of labour?
Policies that raise the net migration rate increase the supply of labour to certain industries.
Define the market supply of labour.
The market supply of labour is the total number of workers willing and able to work in an occupation at each wage rate.
Define a perfectly competitive labour market.
A perfectly competitive labour market is one where the wage is set where the demand for labour equals the supply of labour, and all workers are assumed to have identical skills.
In a perfectly competitive labour market, how is the equilibrium wage rate determined?
The equilibrium wage is set where the demand for labour equals the supply of labour (DL = SL).
An excess demand for labour causes a shortage of workers, which causes wages to .
An excess demand for labour causes a shortage of workers, which causes wages to increase.
True or False?
An excess supply of labour in an occupation tends to push the wage rate up.
False.
An excess supply of labour creates a surplus of workers, which pushes the wage rate down.
Define a wage taker.
A wage taker is a firm that must accept the wage rate set by the industry because it has no power to influence the market wage.
What is the shape of the labour supply curve facing an individual firm in a perfectly competitive labour market?
It is perfectly elastic (horizontal), because the firm must pay the market wage to recruit any workers.
True or False?
For a firm in a perfectly competitive labour market, the labour supply curve is also its marginal cost of labour.
True.
Because the wage is constant, the supply curve equals both the average cost and the marginal cost of labour.
A firm in a perfectly competitive labour market employs workers up to the point where its demand for labour (MRPL) equals the _ of labour.
A firm in a perfectly competitive labour market employs workers up to the point where its demand for labour (MRP_L) equals the supply of labour.
Why can a firm in a perfectly competitive labour market not recruit by offering below the market wage?
Workers can move to other firms paying the market wage, so a firm offering less will struggle to recruit anyone.
Define the marginal cost of labour.
The marginal cost of labour is the addition to a firm's total cost from employing one more unit of labour.
What key assumption does the model of a perfectly competitive labour market make about workers?
It assumes all workers possess identical skills and are paid the same wage rate.
True or False?
Real-world labour markets are rarely perfectly competitive.
True.
Labour markets are inherently imperfect, partly because of asymmetric information between workers and employers.
Define a monopsony in the labour market.
A monopsony occurs when there is a single buyer of labour in a market, giving the employer power to set the wage rate and level of employment.
Name three sources of imperfection in a labour market.
The main imperfections are monopsony power, trade unions and imperfect information.
Define imperfect information in a labour market.
Imperfect information occurs when employers or workers lack full information about wages, skills or job opportunities, leading to poor decisions.
True or False?
A monopsony employer tends to pay a lower wage than would occur in a perfectly competitive labour market.
True.
By using its market power to set wages, a monopsonist can suppress wages below the competitive level and raise its profits.
Define the average cost of labour (AC_L).
The average cost of labour is the wage paid per worker, which forms the supply of labour curve facing a monopsonist.
In a monopsony, why does the marginal cost of labour exceed the average cost of labour?
To hire one extra worker the monopsonist must raise the wage for all workers, so the marginal cost of labour lies above the average cost of labour.
A monopsonist's profit-maximising level of employment occurs where the marginal cost of labour equals the marginal product of labour.
A monopsonist's profit-maximising level of employment occurs where the marginal cost of labour equals the marginal revenue product of labour.
True or False?
A monopsony employs more workers than a perfectly competitive labour market would.
False.
A monopsonist restricts employment, hiring fewer workers than a competitive market and at a lower wage.
Give an example of a monopsony employer in the UK.
The NHS is the main employer of doctors and nurses in the UK, giving it monopsony power to suppress wages.
Define a trade union.
A trade union is an organisation that represents workers in an industry and protects their interests through collective bargaining.
A monopsony labour market has only one of labour.
A monopsony labour market has only one buyer of labour.
How does a monopsonist affect wages and employment compared with a competitive market?
A monopsonist sets both a lower wage and a lower level of employment than would occur in a competitive labour market.
Define collective bargaining.
Collective bargaining is the process by which a trade union negotiates with employers on behalf of its members over pay and conditions.
How does the level of unemployment affect trade union bargaining power?
Higher unemployment weakens union power, because firms can more easily replace existing workers.
True or False?
A larger trade union generally has stronger bargaining power.
True.
The larger the union and the higher the share of workers who belong to it, the greater its collective bargaining power.
Higher firm tend to strengthen a trade union's demands for higher wages.
Higher firm profits tend to strengthen a trade union's demands for higher wages.
What happens to wages and employment when a trade union raises the wage above the equilibrium in a perfectly competitive labour market?
The wage rises above the market rate, but firms demand fewer workers, creating an excess supply of labour and unemployment.
True or False?
In a perfectly competitive labour market, a trade union wage set above equilibrium can cause unemployment.
True.
The higher wage raises the quantity of labour supplied but reduces the quantity demanded, creating an excess supply of labour.
Define excess supply of labour.
Excess supply of labour exists when, at the going wage, the number of workers willing to work exceeds the number firms wish to employ.
How can a trade union affect both wages and employment in a monopsony labour market?
A union can raise both the wage and the level of employment in a monopsony, because it counters the employer's power to suppress them.
In a monopsony a trade union can raise the wage without reducing employment, unlike in a competitive market.
In a monopsony a trade union can raise the wage without reducing employment, unlike in a perfectly competitive market.
Define trade union bargaining power.
Trade union bargaining power is a union's ability to influence the wages and employment levels its members receive.
True or False?
A trade union always reduces employment when it raises wages, regardless of the market structure.
False.
In a monopsony, a union can raise wages and employment together, so the effect depends on the market structure.
How does the size of wages as a proportion of total costs affect union power?
The lower the share of total costs made up by wages, the greater the union's bargaining power, as pay rises cost the firm relatively little.
Define the national minimum wage (NMW).
The national minimum wage is a legally imposed wage level, set above the market rate, that employers must pay their workers.
Why do governments impose a national minimum wage?
Governments impose one to improve equity and prevent the exploitation of low-paid workers by guaranteeing a minimum income.
True or False?
A national minimum wage is set below the market equilibrium wage.
False.
A national minimum wage is set above the market equilibrium wage.
Define excess supply of labour in the context of a minimum wage.
Excess supply of labour occurs when a minimum wage set above equilibrium raises the labour supplied but reduces the labour demanded, leaving surplus workers.
When a minimum wage is set above the market rate, the supply of labour .
When a minimum wage is set above the market rate, the supply of labour increases.
How does a minimum wage set above equilibrium affect firms' demand for labour?
Facing higher production costs, firms decrease their demand for labour.
True or False?
A national minimum wage always increases unemployment.
False.
Many studies find unemployment does not rise, as higher wages can boost consumption and so the demand for labour.
Give one advantage of a national minimum wage.
It guarantees a minimum income for the lowest-paid workers and can raise consumption in the economy.
Give one disadvantage of a national minimum wage.
It raises firms' costs of production, which may lead to higher prices or, if prices cannot rise, to job losses.
At a minimum wage above equilibrium, the excess supply of labour creates potential .
At a minimum wage above equilibrium, the excess supply of labour creates potential unemployment.
Define exploitation of workers.
Exploitation of workers occurs when employers pay workers less than a fair wage for their labour, which a minimum wage aims to prevent.
True or False?
The national minimum wage per hour often varies according to a worker's age.
True.
The minimum wage per hour is often set at different levels depending on the worker's age.
Define wage discrimination.
Wage discrimination occurs when workers with comparable skills doing the same job are paid different wages.
State the three conditions necessary for wage discrimination to occur.
Wage discrimination requires bias, information asymmetry and weak regulation or enforcement.
Define information asymmetry in the labour market.
Information asymmetry occurs when employers hold more information about productivity, skills or qualifications than workers do.
True or False?
Weak enforcement of anti-discrimination legislation makes wage discrimination more likely.
True.
When agencies fail to regulate or enforce the law, employers may discriminate without fear of repercussions.
Define the gender pay gap.
The gender pay gap is the difference in average earnings between men and women, usually expressed as a percentage of male earnings.
segregation means women are concentrated in lower-paid sectors while men dominate higher-paid fields.
Occupational segregation means women are concentrated in lower-paid sectors while men dominate higher-paid fields.
Give one factor that contributes to the gender pay gap.
Contributing factors include occupational segregation, a higher share of women in part-time work, and career interruptions from childcare.
Define the ethnic pay gap.
The ethnic pay gap is the difference in average pay between workers from minority ethnic backgrounds and white workers.
True or False?
Ethnic minorities are over-represented in UK leadership positions.
False.
Ethnic minorities are under-represented in leadership roles, holding only a small share of UK leadership positions.
How can employer bias lead to wage discrimination?
Discriminatory attitudes towards groups such as women or ethnic minorities can lead employers to pay them less for the same work.
A higher proportion of women work , which tends to offer lower hourly rates and limited progression.
A higher proportion of women work part-time, which tends to offer lower hourly rates and limited progression.
True or False?
The gender pay gap reflects only unequal pay for exactly the same work.
False.
It also reflects structural factors such as differences in industries, seniority, hours and unpaid care responsibilities.
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