Labour Markets: MRP Theory, Demand and Supply of Labour, Wage Determination, Trade Unions, Minimum Wages, Monopsony, Labour Productivity

1. The demand for labour is described as derived demand because it depends on

A the demand for the goods and services labour helps produce
B the number of workers who want higher wages
C the trade union membership rate only
D the government’s tax revenue only

2. Marginal revenue product of labour is calculated as

A marginal physical product × marginal revenue
B average product × average cost
C total revenue / total cost
D wage rate / number of workers

3. A profit-maximising firm will employ labour up to the point where

A wage rate = marginal revenue product
B wage rate = average revenue only
C marginal cost = average cost only
D total product is zero

4. If the wage rate is $40 and the MRP of the next worker is $55, a profit-maximising firm should

A employ the worker
B not employ the worker
C reduce output to zero
D raise the wage immediately

5. If the wage rate is $60 and the MRP of the next worker is $45, a profit-maximising firm should

A employ the worker because MRP is positive
B not employ the worker because MRP is below wage
C employ unlimited workers
D lower product price automatically

6. If marginal physical product is 8 units and marginal revenue is $6, MRP is

A $14
B $48
C $8
D $6

7. If marginal product of labour falls while product price remains constant, MRP will

A fall
B rise
C remain unchanged
D become average cost

8. The demand curve for labour usually slopes downwards because

A MRP of labour usually falls as more labour is employed
B workers prefer lower wages
C labour supply always falls as wages rise
D firms employ more labour when MRP is negative

9. Which factor would shift the demand curve for labour to the right?

A higher demand for the final product
B lower labour productivity
C lower price of the final product
D higher wage rate only

10. Which factor would shift the demand curve for labour to the left?

A lower demand for the final product
B higher labour productivity
C higher product price
D better worker training

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

11. A rise in worker productivity is likely to

A increase MRP and increase demand for labour
B reduce MRP and reduce labour demand
C make wages zero
D make labour supply perfectly inelastic always

12. A fall in the price of the product sold by a firm is likely to

A reduce MRP and reduce demand for labour
B increase MRP and increase demand for labour
C leave labour demand unchanged always
D increase labour supply only

13. If a machine is a substitute for labour, a fall in the price of machinery may

A reduce demand for labour
B increase demand for labour always
C make labour supply zero
D increase wage rate with no effect on employment

14. If capital and labour are complements, cheaper capital may

A increase demand for labour
B reduce demand for labour always
C make labour unnecessary
D reduce productivity automatically

15. The supply of labour to an occupation is most likely to increase when

A wages in that occupation rise relative to other jobs
B training costs rise sharply
C working conditions worsen
D required qualifications become impossible to obtain

16. Which factor may reduce labour supply to an occupation?

A dangerous working conditions
B higher wages
C better promotion prospects
D improved non-wage benefits

17. Occupational mobility of labour means workers can

A move between different types of jobs
B move between different countries only
C change product prices
D change interest rates

18. Geographical mobility of labour means workers can

A move between locations for work
B move between occupations without retraining
C change the demand curve for goods directly
D increase inflation automatically

19. Which policy is most likely to improve occupational mobility?

A retraining programmes
B higher house prices in growing regions
C weaker transport links
D banning apprenticeships

20. Which policy is most likely to improve geographical mobility?

A better transport and affordable housing
B lower education spending
C reducing information about vacancies
D making migration illegal

21. If labour is highly occupationally immobile, a decline in one industry is likely to cause

A structural unemployment
B demand-pull inflation only
C higher MRP in all sectors
D zero unemployment

22. Wage determination in a competitive labour market occurs where

A demand for labour equals supply of labour
B marginal cost equals average cost only
C total revenue equals total cost
D price equals consumer surplus

23. If demand for labour rises while supply is unchanged, the equilibrium wage will

A rise
B fall
C remain unchanged
D become zero

24. If supply of labour rises while demand is unchanged, the equilibrium wage will

A rise
B fall
C remain unchanged
D become infinite

25. A wage differential means

A different workers receive different wages
B every worker receives the same wage
C wages are fixed by consumers
D wages are always below productivity

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

26. Which is most likely to explain higher wages for surgeons than cleaners?

A higher training requirements and higher MRP
B lower responsibility and lower skills
C perfectly elastic supply of surgeons
D no demand for healthcare

27. Which job is likely to have a more inelastic supply of labour in the short run?

A highly trained specialist doctor
B casual shop assistant
C basic delivery worker
D temporary waiter

28. A compensating wage differential may be paid because

A a job is dangerous or unpleasant
B a job has no responsibility and perfect comfort
C workers have no alternative employment
D product demand is zero

29. Which is a non-wage factor affecting labour supply?

A working conditions
B product price
C firm’s total revenue
D indirect tax rate only

30. A trade union is an organisation that mainly aims to

A protect and improve workers’ pay and conditions
B maximise producer surplus for shareholders
C reduce all wages to zero
D set exchange rates

31. A trade union may raise wages by

A restricting labour supply or bargaining collectively
B increasing unemployment deliberately in all sectors
C reducing worker skills
D lowering demand for the final product

32. If a trade union raises wages above the competitive equilibrium, the likely result is

A excess supply of labour
B excess demand for labour
C no unemployment possible
D labour shortage in every case

33. Trade union wage bargaining is more likely to succeed when

A demand for labour is price-inelastic
B demand for labour is highly elastic
C the product has many close substitutes
D the firm can easily replace workers with machines

34. A trade union is more powerful when

A workers are difficult to replace
B labour supply is perfectly elastic
C membership is very low
D the product market is highly competitive with tiny profit margins

35. Which is a possible benefit of trade unions?

A better wages, safety and working conditions
B guaranteed lower unemployment
C guaranteed higher profits for firms
D lower worker bargaining power

36. Which is a possible cost of trade unions?

A higher wages may reduce employment if labour demand is elastic
B wages always fall
C worker safety always worsens
D firms always increase labour demand

37. A minimum wage is

A a legal wage floor below which wages cannot fall
B a legal wage ceiling above which wages cannot rise
C a tax on labour income only
D a subsidy to employers only

38. A minimum wage set below the equilibrium wage will usually be

A ineffective
B binding and create unemployment
C binding and create labour shortage
D equal to MRP automatically

39. A minimum wage set above the equilibrium wage may cause unemployment because

A quantity supplied of labour exceeds quantity demanded
B quantity demanded of labour exceeds quantity supplied
C all firms hire more workers
D workers stop wanting jobs

40. A minimum wage is most likely to reduce employment when labour demand is

A elastic
B perfectly inelastic
C completely unresponsive to wage changes
D unitary only and never elastic

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

41. Which is a possible benefit of a minimum wage?

A higher income for low-paid workers who keep their jobs
B lower wage income for all workers
C guaranteed zero unemployment
D lower incentive to work always

42. Which is a possible cost of a minimum wage?

A firms may replace labour with capital
B labour productivity must fall
C poverty must disappear instantly
D all workers receive lower pay

43. A monopsony in the labour market is a situation where there is

A one dominant buyer/employer of labour
B one seller of labour only
C many employers competing for workers
D no labour supply

44. A monopsonist faces an upward-sloping labour supply curve because

A it must raise wages to attract additional workers
B it can hire unlimited labour at one wage
C workers have no alternative employment at all wage levels
D product demand is perfectly elastic

45. For a monopsonist, marginal cost of labour is usually

A above the average cost/wage rate
B below the average cost/wage rate
C equal to wage at every employment level
D zero

46. Compared with a competitive labour market, an unregulated monopsonist usually pays

A lower wages and employs fewer workers
B higher wages and employs more workers
C the same wage and same employment always
D zero wages and infinite employment

47. A minimum wage in a monopsony may increase employment if

A it is set between the monopsony wage and competitive wage
B it is set extremely high above MRP
C it is set below the monopsony wage
D it bans all employment

48. Labour productivity means

A output per worker or per hour worked
B wage per worker only
C total revenue per firm
D profit per firm only

49. Which factor is most likely to increase labour productivity?

A training, better capital and improved management
B lower skills and worse machinery
C more absenteeism
D reduced motivation

50. Which chain is most accurate?

A higher product demand → higher product price/MR → higher MRP of labour → labour demand shifts right → wage and employment may rise
B higher product demand → lower MRP → labour demand shifts left → wages must fall
C minimum wage above equilibrium → labour shortage → firms hire unlimited workers
D monopsony → wage equals competitive wage automatically → employment maximised

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

1. Answer: A

A correct: labour demand is derived demand because firms demand workers only because workers help produce goods/services consumers want.
B wrong: workers wanting higher wages affects labour supply, not derived demand.
C wrong: union membership may affect wages, not the basic source of labour demand.
D wrong: tax revenue is not the source of labour demand.

2. Answer: A

A correct: MRP = marginal physical product × marginal revenue.
B wrong: average product × average cost has no MRP meaning.
C wrong: total revenue / total cost is not MRP.
D wrong: wage rate / workers is not MRP.

3. Answer: A

A correct: a profit-maximising firm employs labour until wage = MRP.
B wrong: average revenue alone does not decide hiring.
C wrong: MC = AC is cost-curve minimum logic, not labour hiring.
D wrong: total product zero is not a hiring objective.

4. Answer: A

A correct: the next worker adds $55 revenue but costs $40, so profit rises by $15.
B wrong: not hiring loses profitable output.
C wrong: reducing output is not justified.
D wrong: the firm does not need to raise wage immediately.

5. Answer: B

A wrong: positive MRP is not enough; it must exceed or equal wage.
B correct: the worker adds $45 but costs $60, so hiring reduces profit.
C wrong: unlimited workers would eventually reduce MRP.
D wrong: product price does not automatically fall.

6. Answer: B

A wrong: $14 adds MPP and MR incorrectly.
B correct: MRP = 8 × $6 = $48.
C wrong: 8 is marginal physical product.
D wrong: $6 is marginal revenue.

7. Answer: A

A correct: if MPP falls and MR stays constant, MRP falls.
B wrong: MRP would rise only if productivity or MR rose enough.
C wrong: it changes because MPP changes.
D wrong: MRP does not become average cost.

8. Answer: A

A correct: as more workers are hired, diminishing returns often reduce MRP, so firms hire more only at lower wages.
B wrong: workers usually prefer higher wages.
C wrong: labour supply usually rises as wages rise.
D wrong: firms do not hire workers with negative MRP.

9. Answer: A

A correct: higher demand for the final product raises product price/revenue, increasing MRP and labour demand.
B wrong: lower productivity reduces MRP.
C wrong: lower final product price reduces MRP.
D wrong: a higher wage causes movement along labour demand, not a shift.

10. Answer: A

A correct: lower product demand reduces the need for workers, shifting labour demand left.
B wrong: higher productivity raises MRP and labour demand.
C wrong: higher product price raises MRP.
D wrong: better training raises productivity and labour demand.

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

11. Answer: A

A correct: productivity raises marginal product, so MRP and labour demand rise.
B wrong: productivity increases MRP, not reduces it.
C wrong: wages do not become zero.
D wrong: productivity does not automatically make labour supply perfectly inelastic.

12. Answer: A

A correct: if product price falls, marginal revenue falls, so MRP and labour demand fall.
B wrong: MRP does not rise when the output price falls.
C wrong: labour demand can change.
D wrong: labour supply is not the direct effect.

13. Answer: A

A correct: cheaper machinery may lead firms to replace workers with machines.
B wrong: labour demand may fall if machines substitute for labour.
C wrong: labour supply does not become zero.
D wrong: wage and employment can both be affected.

14. Answer: A

A correct: if capital and labour are complements, cheaper capital encourages more capital use and may increase labour demand.
B wrong: complements can raise labour demand.
C wrong: labour does not become unnecessary when it complements capital.
D wrong: cheaper complementary capital may raise productivity.

15. Answer: A

A correct: higher relative wages attract more workers to that occupation.
B wrong: higher training costs discourage supply.
C wrong: worse conditions reduce supply.
D wrong: impossible qualifications block supply.

16. Answer: A

A correct: dangerous conditions reduce attractiveness of the job and may lower supply.
B wrong: higher wages usually increase supply.
C wrong: better promotion prospects increase supply.
D wrong: better benefits increase supply.

17. Answer: A

A correct: occupational mobility means workers can switch between job types.
B wrong: moving between countries is geographical/international mobility.
C wrong: workers do not change product prices directly.
D wrong: interest rates are monetary policy.

18. Answer: A

A correct: geographical mobility means workers can move between regions/countries for employment.
B wrong: changing job type is occupational mobility.
C wrong: labour movement does not directly shift goods demand.
D wrong: it does not automatically increase inflation.

19. Answer: A

A correct: retraining gives workers skills needed for different occupations.
B wrong: higher house prices reduce geographical mobility.
C wrong: poor transport reduces mobility.
D wrong: banning apprenticeships worsens skills.

20. Answer: A

A correct: transport and affordable housing make it easier to move to where jobs exist.
B wrong: lower education reduces occupational mobility more than geographical mobility.
C wrong: less vacancy information worsens mobility.
D wrong: banning migration reduces geographical mobility.

21. Answer: A

A correct: workers unable to move into growing industries may become structurally unemployed.
B wrong: demand-pull inflation is caused by excessive aggregate demand.
C wrong: MRP will not rise in all sectors.
D wrong: unemployment can rise.

22. Answer: A

A correct: competitive labour market equilibrium wage occurs where labour demand equals labour supply.
B wrong: MC = AC is firm cost theory.
C wrong: TR = TC gives normal profit.
D wrong: price = consumer surplus is meaningless.

23. Answer: A

A correct: higher labour demand creates upward pressure on wages.
B wrong: wage would fall if supply rose or demand fell.
C wrong: equilibrium changes.
D wrong: wage does not become zero.

24. Answer: B

A wrong: extra labour supply pushes wage down.
B correct: with unchanged demand, increased labour supply lowers equilibrium wage.
C wrong: equilibrium changes.
D wrong: wage does not become infinite.

25. Answer: A

A correct: wage differentials are differences in wages between workers, jobs, regions or industries.
B wrong: same wage means no differential.
C wrong: consumers do not fix wages directly.
D wrong: wages can be above or below productivity depending on conditions.

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

26. Answer: A

A correct: surgeons need long training, scarce skills and often have high MRP.
B wrong: surgeons have high responsibility and high skills.
C wrong: surgeon supply is relatively inelastic, not perfectly elastic.
D wrong: demand for healthcare exists.

27. Answer: A

A correct: specialist doctors take years to train, so supply cannot quickly increase.
B wrong: shop assistants can often be trained more quickly.
C wrong: delivery work usually has lower entry requirements.
D wrong: temporary waiting work has relatively flexible supply.

28. Answer: A

A correct: unpleasant or risky jobs may require higher wages to attract workers.
B wrong: comfortable jobs require less compensation.
C wrong: no alternatives may reduce bargaining power.
D wrong: zero product demand reduces labour demand.

29. Answer: A

A correct: working conditions affect willingness to supply labour without being wages.
B wrong: product price affects demand for labour.
C wrong: firm revenue affects demand for labour.
D wrong: indirect tax is not a direct non-wage job feature.

30. Answer: A

A correct: trade unions represent workers and bargain for pay, conditions and rights.
B wrong: shareholder surplus/profit is not the union’s main aim.
C wrong: unions do not aim to reduce wages.
D wrong: exchange rates are not union policy.

31. Answer: A

A correct: unions can raise wages through collective bargaining or limiting labour supply.
B wrong: they do not aim to increase unemployment in all sectors.
C wrong: reducing skills weakens bargaining power.
D wrong: lower product demand reduces labour demand.

32. Answer: A

A correct: wage above equilibrium increases labour supplied and reduces labour demanded, creating unemployment.
B wrong: excess demand occurs when wage is below equilibrium.
C wrong: unemployment is possible.
D wrong: not every case produces shortage.

33. Answer: A

A correct: if labour demand is inelastic, employment falls less when wages rise, so union bargaining is stronger.
B wrong: elastic labour demand means wage rises cause large job losses.
C wrong: many product substitutes make demand for labour more elastic.
D wrong: easy replacement by machines weakens unions.

34. Answer: A

A correct: workers who are hard to replace have stronger bargaining power.
B wrong: perfectly elastic labour supply weakens wage bargaining.
C wrong: low membership weakens unions.
D wrong: tiny profit margins limit wage increases.

35. Answer: A

A correct: unions can negotiate better wages, health and safety, hours and conditions.
B wrong: unemployment is not guaranteed to fall.
C wrong: firm profits may fall if wages rise.
D wrong: unions increase worker bargaining power.

36. Answer: A

A correct: if labour demand is elastic, higher wages can cause a large fall in employment.
B wrong: unions usually push wages up.
C wrong: unions may improve safety.
D wrong: labour demand does not always rise.

37. Answer: A

A correct: minimum wage is a legal floor for wages.
B wrong: a ceiling would be a maximum wage.
C wrong: tax on labour income is income tax.
D wrong: employer subsidy is different.

38. Answer: A

A correct: if minimum wage is below equilibrium, market wage is already above it, so it has no effect.
B wrong: it is binding only if above equilibrium.
C wrong: shortage is not created by a low minimum wage.
D wrong: it does not automatically equal MRP.

39. Answer: A

A correct: at a wage floor above equilibrium, more workers want jobs than firms want to hire.
B wrong: that would be labour shortage.
C wrong: firms hire fewer workers at higher wage.
D wrong: workers want more jobs, not fewer.

40. Answer: A

A correct: elastic demand means firms reduce employment significantly when wage rises.
B wrong: perfectly inelastic labour demand means employment does not fall.
C wrong: unresponsive demand makes employment stable.
D wrong: elastic demand is the key condition.

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.

41. Answer: A

A correct: workers who remain employed earn higher wages/income.
B wrong: pay rises for covered workers, not lower for all.
C wrong: unemployment is not guaranteed to be zero.
D wrong: higher wage can increase incentive to work.

42. Answer: A

A correct: higher labour cost may encourage firms to substitute machinery for workers.
B wrong: productivity does not have to fall.
C wrong: poverty may reduce but will not disappear instantly.
D wrong: covered workers may receive higher pay.

43. Answer: A

A correct: monopsony means one dominant employer/buyer of labour.
B wrong: one seller of labour would be monopoly supply of labour.
C wrong: many employers create competitive labour demand.
D wrong: labour supply still exists.

44. Answer: A

A correct: to attract more workers, a monopsonist must raise the wage, so it faces an upward-sloping labour supply curve.
B wrong: unlimited labour at one wage would be perfectly elastic supply.
C wrong: workers may have alternatives, but limited alternatives give monopsony power.
D wrong: product demand elasticity is separate.

45. Answer: A

A correct: hiring an extra worker requires raising wages for additional and often existing workers, so MCL exceeds the wage/ACL.
B wrong: MCL is usually above wage.
C wrong: MCL equals wage only under perfectly elastic labour supply.
D wrong: MCL is not zero.

46. Answer: A

A correct: monopsony restricts employment to reduce wage, so it pays lower wages and employs fewer workers than a competitive market.
B wrong: that is opposite of monopsony outcome.
C wrong: outcomes differ.
D wrong: wage is not zero and employment is not infinite.

47. Answer: A

A correct: a minimum wage set between monopsony wage and competitive wage can raise both wage and employment by making labour supply effectively more elastic over that range.
B wrong: extremely high minimum wage may reduce employment.
C wrong: below monopsony wage is ineffective.
D wrong: banning employment eliminates jobs.

48. Answer: A

A correct: labour productivity means output per worker or per hour.
B wrong: wage per worker is labour cost/pay.
C wrong: total revenue per firm is not productivity.
D wrong: profit per firm is not productivity.

49. Answer: A

A correct: training, better equipment and better management increase output per worker.
B wrong: low skills and poor machinery reduce productivity.
C wrong: absenteeism reduces effective output.
D wrong: low motivation reduces productivity.

50. Answer: A

A correct: higher final product demand can raise product price/MR, increasing MRP and shifting labour demand right, raising wage and employment.
B wrong: higher product demand raises, not lowers, MRP.
C wrong: minimum wage above equilibrium creates excess supply/unemployment, not shortage.
D wrong: monopsony normally pays below competitive wage and employs fewer workers.

Written and Compiled By Sir Hunain Zia (AYLOTI), World Record Holder With 154 Total A Grades, 11 World Records and 7 Distinctions, Educate A Change.