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2.4 Critique of the maximizing behaviour of consumers and producers

Practice exam-style IB Economics questions for Critique of the maximizing behaviour of consumers and producers, aligned with the syllabus and grouped by topic.

Verified by Rishabh
Verified by Rishabh
Paper
Difficulty
Status
Level
Question 1
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain how default choices may influence consumer behaviour.

[10]
B

Using specific, named real-world examples, evaluate the use of default choices to improve consumer welfare.

[15]
Question 2
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain the assumptions underlying rational consumer choice.

[10]
B

Using real-world examples, evaluate the view that rational consumer choice provides a reliable explanation of consumer behaviour.

[15]
Question 3
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using appropriate diagrams, explain how anchoring bias and framing bias may influence consumer choice.

[10]
B

Using real-world examples, discuss the view that cognitive biases are more important than actual transaction prices in determining consumer choices.

[15]
Question 4
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain how bounded rationality and imperfect information may prevent a consumer from maximizing utility.

[10]
B

Using real-world examples, evaluate the effectiveness of providing consumers with more information as a means of improving consumer decision-making.

[15]

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Question 5
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain the differences between restricted choice and mandated choice.

[10]
B

Using real-world examples, discuss whether restricted choice is more effective than mandated choice in improving consumer decisions.

[15]
Question 6
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain how a consumer nudge may change behaviour without removing freedom of choice.

[10]
B

Using real-world examples, evaluate the view that nudges are an effective way to promote sustainable consumption.

[15]
Question 7
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain the objective of profit maximization and why a firm may pursue it.

[10]
B

Using real-world examples, evaluate the view that profit maximization is the best explanation of producer behaviour.

[15]
Question 8
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain how corporate social responsibility may affect a firm's costs, revenue and profit.

[10]
B

Using real-world examples, discuss whether corporate social responsibility necessarily conflicts with profit maximization.

[15]

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Question 9
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain why a firm's managers may choose to satisfice rather than maximize profit.

[10]
B

Using real-world examples, discuss the view that satisficing is a more realistic business objective than profit maximization.

[15]
Question 10
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Reference prices at Nuvana Electronics

Read the extracts and answer the questions that follow.

Text A — Consumer choice

  1. Nuvana sells wireless headphones online. Some customers saw only the current price, while others first saw a much higher reference price. The products and current price were identical. The higher reference price increased purchases, although rival retailers offered comparable headphones more cheaply. This may indicate anchoring bias.

  2. Consumer groups argue that customers have limited time to compare technical specifications and may follow a rule of thumb such as choosing the middle-priced product. Nuvana responds that customers remain free to compare every alternative.

Text B — Nuvana's objective

  1. Nuvana's managers receive bonuses for increasing sales and market share. They intend to use introductory offers to establish the brand, even if current profit falls. Shareholders question whether this objective is consistent with long-run commercial success.

  2. The consumer authority is considering requiring retailers to provide evidence that advertised reference prices were previously charged.

Table 1 is shown below.

Results of the reference-price trial

Customer groupWebsite visitors / numberPurchases / number
No reference price400120
High reference price400180

Table 2 is shown below.

Financial information for the high-reference-price group.

ItemValue / currency units
Selling price24 per purchase
Variable cost10 per purchase
Allocated fixed cost1800 currency units
A
I.

Define the term anchoring bias (Text A, paragraph 1).

[2]
II.

Define the term market share (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the purchase rate for each group and the difference between the rates in percentage points.

[3]
II.

Using Tables 1 and 2, calculate Nuvana's profit from the high-reference-price group.

[2]
C

Using a rational consumer-choice diagram, explain the combination of two goods a fully informed consumer would select (Text A, paragraph 2).

[4]
D

Using a demand and supply diagram, explain how the high reference price may affect the market for Nuvana's headphones (Text A, paragraph 1).

[4]
E

Using a profit-maximization diagram, explain how Nuvana would determine its profit-maximizing output.

[4]
F

Using a firm revenue and cost diagram, explain how a price reduction intended to increase market share could reduce Nuvana's short-run profit (Text B, paragraph 1).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate whether regulation of advertised reference prices is likely to improve consumer welfare.

[15]
Question 11
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Treatment choices at Bellara Clinics

Read the extracts and answer the questions that follow.

Text A — Presentation of medical risks

  1. Bellara Clinics tested two descriptions of the same treatment. One described its success rate; the other described its failure rate. Although the probabilities were equivalent, acceptance differed. Researchers identified framing bias.

  2. Patients often have little time and limited medical knowledge. Lengthy disclosures may therefore add to information overload rather than produce fully informed utility maximization.

Text B — Active selection

  1. The health authority proposes a mandated choice: patients must actively accept or reject treatment after receiving a short standardized explanation. No option is preselected or removed.

  2. Critics argue that some patients prefer doctors to make recommendations. Bellara supports the proposal but is also concerned about administrative costs.

Table 1 — Treatment-framing trial

Treatment choices under two equivalent descriptions of the same treatment.

Treatment frameAccepted (patients)Total patients
Success-rate frame350500
Failure-rate frame250500

Table 2 — Choices under the mandated-choice pilot

Choices and treatment costs in the mandated-choice pilot.

Treatment optionPatients selectingCost per patient / currency units
Standard treatment24030
Enhanced treatment16050
A
I.

Define the term framing bias (Text A, paragraph 1).

[2]
II.

Define the term mandated choice (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the treatment-acceptance rate for each frame and the difference in percentage points.

[3]
II.

Using Table 2, calculate the average treatment cost per patient completing mandated choice.

[2]
C

Using a rational consumer-choice diagram, explain how perfect information would affect a patient's choice between treatment and other consumption.

[4]
D

Using a demand and supply diagram, explain how presenting the treatment with a success frame may affect demand for it (Text A, paragraph 1).

[4]
E

Using a choice-architecture flow diagram, explain how mandated choice differs from a default choice in the proposed system (Text B, paragraph 1).

[4]
F

Using a demand and supply diagram, explain how a short standardized explanation could affect the market for effective treatments (Text A, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether mandated choice is the most effective way to improve patient decision-making.

[15]
Question 12
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Automatic renewal at Vistara Streaming

Read the extracts and answer the questions that follow.

Text A — Subscription decisions

  1. Vistara offers a free trial that automatically becomes a paid subscription unless cancelled. Many users report intending to cancel but postponing the task. This may reflect bounded self-control.

  2. Cancellation requires several online steps. Vistara argues that all conditions are disclosed, but consumer groups state that users have bounded rationality and may not read a lengthy contract.

Text B — Business strategy

  1. Vistara is rapidly entering foreign markets. Managers currently prioritize growth maximization, measured through subscribers and sales, rather than the greatest attainable short-run profit.

  2. The regulator proposes a reminder 48 hours before payment and a one-click cancellation link. Vistara predicts that this will reduce renewals and increase administration costs.

Table 1 — Renewal trial

For Table 1, assume that users were randomly allocated to otherwise comparable groups that differed only in whether they received the reminder. Neither group had the proposed one-click cancellation link.

Renewal outcomes for 1,000 trial users in each group.

Trial-user groupTrial usersRenewals
No reminder1000700
Reminder1000520

Table 2 — Vistara's expansion

Table 1: Renewal trial. Users were randomly allocated to otherwise comparable groups; neither group had the proposed one-click cancellation link.

GroupUsers allocatedUsers renewed
No reminder1000700
Reminder1000520
A
I.

Define the term bounded self-control (Text A, paragraph 1).

[2]
II.

Define the term growth maximization (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the renewal rate for each group and the percentage-point effect of the reminder.

[3]
II.

Using Table 2, calculate the percentage growth in subscribers between Year 1 and Year 2.

[2]
C

Using a time-choice diagram, explain how bounded self-control may cause a user to postpone cancellation (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how a pre-payment reminder may affect demand for Vistara subscriptions (Text B, paragraph 2).

[4]
E

Using a total revenue diagram, explain what Table 2 suggests about Vistara's growth objective.

[4]
F

Using a profit-maximization diagram, explain why the output associated with growth maximization may differ from Vistara's profit-maximizing output.

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the proposed reminder and one-click cancellation policy.

[15]

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Question 13
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Drink choices in Marindi schools

Read the extracts and answer the questions that follow.

Text A — Cafeteria policy

  1. Marindi's education ministry tested cafeteria arrangements. Under unrestricted choice, water and high-sugar drinks were available. Under restricted choice, high-sugar drinks were removed, while water and unsweetened drinks remained.

  2. Supporters argue that restriction reduces harmful impulsive choices and information overload. Opponents state that it limits freedom and ignores differences in preferences.

Text B — The cafeteria operator

  1. Freshway operates the cafeterias. It has adopted corporate social responsibility by reducing sugar and packaging waste, even though high-sugar drinks previously produced a higher contribution per unit.

  2. Freshway expects healthier menus to improve its reputation and contract-renewal prospects. The ministry is considering whether a water-at-eye-level nudge would be preferable to restriction.

Table 1 — Drink choices

Drink selections under two cafeteria arrangements.

ArrangementWaterUnsweetened drinksHigh-sugar drinksTotal pupils
Unrestricted choice320160320800
Restricted choice5202800800

Table 2 — Contribution per drink

Contribution per drink sold by Freshway.

Drink typeContribution / currency units per drink
Water0.40
Unsweetened drink0.60
High-sugar drink0.90
A
I.

Define the term restricted choice (Text A, paragraph 1).

[2]
II.

Define the term corporate social responsibility (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the water-selection rate under each arrangement and the difference in percentage points.

[3]
II.

Using Tables 1 and 2, calculate Freshway's total contribution under unrestricted choice.

[2]
C

Using a choice-set diagram, explain how restricted choice changes pupils' available alternatives (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how placing water at eye level could affect the market for water.

[4]
E

Using a profit diagram, explain how Freshway's corporate social responsibility policy could reduce its short-run profit (Text B, paragraph 1).

[4]
F

Using a firm revenue and cost diagram, explain how corporate social responsibility could increase Freshway's long-run profit (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Marindi should use restricted choice rather than nudges in school cafeterias.

[15]
Question 14
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Emergency saving through the Kopa app

Read the extracts and answer the questions that follow.

Text A — Household saving

  1. Many Kopa users say they want emergency savings but spend unexpected income immediately. The app tested messages comparing a user's saving with that of similar households. Such messages are a consumer nudge because users remain free to save any amount.

  2. Some users may follow others as a rule of thumb rather than calculate the utility from present and future consumption. Low-income households argue that insufficient income, rather than inattention, limits their saving.

Text B — Kopa's objective

  1. Kopa's managers seek acceptable profit, stable employment and manageable workloads rather than the highest possible profit. Its stated objective is satisficing.

  2. A bank proposes paying Kopa for each user who opens a savings account. Consumer groups fear that the app's choice architecture could then serve the bank rather than users.

Table 1 — Social-comparison trial

Social-comparison trial outcomes for Kopa users.

User groupNumber of usersUsers who saved
No message600150
Social-comparison message600240

Table 2 — Kopa's annual performance targets

Kopa's annual performance against satisficing targets.

MeasureSatisficing targetActual annual result
Profit / currency unitsMinimum 400 000420 000
Employee turnover / %Maximum 10%8%
A
I.

Define the term consumer nudge (Text A, paragraph 1).

[2]
II.

Define the term satisficing as a business objective (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the saving rate for each group and the change in percentage points.

[3]
II.

Using Table 2, determine whether Kopa met both satisficing targets.

[2]
C

Using an intertemporal-choice diagram, explain how a fully rational consumer would choose between present and future consumption.

[4]
D

Using a demand and supply diagram, explain how the bank's payment to Kopa for each account opened may affect demand for savings accounts (Text B, paragraph 2).

[4]
E

Using a target diagram, explain why Table 2 is consistent with satisficing.

[4]
F

Using a profit-maximization diagram, explain why Kopa's satisficing output may differ from its profit-maximizing output.

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the use of social-comparison nudges to increase emergency saving.

[15]
Question 15
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Fairly traded coffee in Oranta

Read the extracts and answer the questions that follow.

Text A — Consumer motivations

  1. Oranta Coffee introduced beans certified as paying farmers higher wages. Some consumers paid more despite saying that taste and quality were unchanged. Researchers suggested bounded selfishness, since fairness and concern for producers affected choice.

  2. Other consumers doubted the certification and lacked information about supply chains. A recent documentary about poor working conditions also increased demand for certified coffee, possibly because of availability bias.

Text B — Producer objectives

  1. Oranta accepted higher input costs as part of its corporate social responsibility policy. Managers believe customer loyalty will eventually increase profit.

  2. A rival argues that Oranta should pursue profit maximization and use the cheapest legal inputs. Regulators are considering standardized certification labels.

Table 1 — Consumer survey

Consumer survey of coffee choices and prices in Oranta.

Coffee typePrice / currency unitsConsumers / number (out of 500)
Conventional5300
Certified6200

Table 2 — Monthly outcomes by sourcing method

Monthly revenue and total cost by coffee sourcing method in Oranta.

Sourcing methodMonthly total revenue / currency unitsMonthly total cost / currency units
Conventional50 00036 000
Certified58 00047 000
A
I.

Define the term bounded selfishness (Text A, paragraph 1).

[2]
II.

Define the term profit maximization (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate the proportion choosing each coffee and the difference in percentage points.

[3]
II.

Using Table 2, calculate the change in Oranta's monthly profit when it changes from conventional to certified sourcing.

[2]
C

Using a consumer-choice diagram, explain how concern for farmers could affect the utility obtained from certified coffee (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how the documentary may affect the market for certified coffee (Text A, paragraph 2).

[4]
E

Using a firm cost and revenue diagram, explain the short-run effect of certified sourcing on Oranta's profit (Text B, paragraph 1).

[4]
F

Using a firm cost and revenue diagram, explain how certification could increase Oranta's long-run profit.

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Oranta's responsible sourcing is inconsistent with maximizing behaviour.

[15]
Question 16
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Preselected airline add-ons at Aeroza

Read the extracts and answer the questions that follow.

Text A — Booking design

  1. Aeroza's booking page preselects travel insurance and priority boarding. Customers can remove either item. This is a default choice, and accepting the preset package requires no action.

  2. Many passengers complete bookings quickly on mobile phones. Consumer groups argue that limited attention and complicated wording create bounded rationality. Aeroza says every price is displayed before payment.

Text B — Management objectives

  1. Aeroza aims to increase passenger numbers and routes. Managers describe this as growth maximization, even though rapid expansion has increased training and maintenance costs.

  2. The regulator proposes that no add-on be preselected and that passengers make an active choice about insurance.

Table 1 — Add-on trial

Table 1: results of the airline insurance add-on trial.

Booking groupPassengersPassengers purchasing insurance
No insurance preselection800160
Insurance preselected800440

Table 2 — Expansion data

Aeroza expansion data for two years.

YearPassengers / millionTotal cost / million currency units
Year 12.0180
Year 22.6252
A
I.

Define the term default choice (Text A, paragraph 1).

[2]
II.

Define the term growth maximization (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the insurance-purchase rate for each group and the difference in percentage points.

[3]
II.

Using Table 2, calculate the percentage change in average cost per passenger from Year 1 to Year 2.

[2]
C

Using a choice-architecture flow diagram, explain how Aeroza's insurance default affects passive customers (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how removing the insurance default could affect demand for travel insurance.

[4]
E

Using a long-run average cost diagram, explain how Aeroza's rapid growth may have produced diseconomies of scale (Text B, paragraph 1).

[4]
F

Using a profit-maximization diagram, explain why growth maximization may select a different passenger output from profit maximization.

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the proposed regulation of airline add-ons.

[15]

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Question 17
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Risk information for Norvia vaccines

Read the extracts and answer the questions that follow.

Text A — Perceptions of risk

  1. After intense reporting of a rare side effect, vaccine bookings fell. Officials argued that availability bias caused people to overestimate events that were vivid and easy to recall.

  2. The health ministry introduced a balanced factsheet showing both the probability of protection and the probability of side effects. Some citizens found the statistics difficult to interpret.

Text B — The producer

  1. Meditex manufactures the vaccine. Managers seek an acceptable return while maintaining spare capacity for emergencies. This reflects satisficing rather than maximizing current profit.

  2. Meditex supports the factsheet but opposes a proposed ban on sensational advertisements by private clinics, arguing that existing consumer information is sufficient.

Table 1 — Booking responses

Vaccine bookings and rates before and after intense reporting.

PeriodEligible peopleBookingsBooking rate (%)
Before intense reporting100068068
After intense reporting100047047

Table 2 — Meditex performance

Meditex performance against minimum targets.

Performance measureMinimum target / %Actual / %
Return on capital89
Spare production capacity1518
A
I.

Define the term availability bias (Text A, paragraph 1).

[2]
II.

Define the term satisficing (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the booking rate before and after the reporting and the change in percentage points.

[3]
II.

Using Table 2, determine whether Meditex achieved both satisficing targets.

[2]
C

Using a probability-weighting diagram, explain how availability bias could affect perceived vaccine risk (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain the effect of intense reporting on the vaccine market (Text A, paragraph 1).

[4]
E

Using a target diagram, explain why Meditex's behaviour is consistent with satisficing (Text B, paragraph 1).

[4]
F

Using a demand and supply diagram, explain how a clear balanced factsheet could affect vaccine demand (Text A, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether information provision is sufficient to improve vaccine decisions in Norvia.

[15]
Question 18
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Energy labels in Tavira

Read the extracts and answer the questions that follow.

Text A — Appliance decisions

  1. Tavira requires energy labels on refrigerators. Many labels contain numerous technical measures, and shoppers often select the first model meeting an acceptable standard. This is satisficing by consumers under bounded rationality rather than exhaustive utility maximization.

  2. The energy agency tested a simplified label using three colours and an estimate of annual running cost. Prices and appliances were unchanged.

Text B — Retail strategy

  1. HomeHub places its own high-margin refrigerator in the centre of a three-model display because shoppers frequently use the middle option as a rule of thumb.

  2. The government is considering a standardized display order. HomeHub argues that retailers should retain control of product presentation and that consumers can search online.

Table 1 — Simplified-label trial

Results of the simplified-label trial

Label typeShoppers / numberChose efficient model / number
Technical label600210
Simplified label600330

Table 2 — Private costs of two refrigerators

Annual private costs of two refrigerator models.

ModelPurchase price / currency unitsAnnual electricity cost / currency units
Model L500120
Model E62070
A
I.

Define the term satisficing by consumers (Text A, paragraph 1).

[2]
II.

Define the term rule of thumb (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the efficient-model selection rate under each label and the difference in percentage points.

[3]
II.

Using Table 2, calculate after how many years Model E's higher purchase price is recovered through lower electricity costs.

[2]
C

Using a consumer-choice diagram, explain how a fully informed consumer could compare refrigerator purchase price with future electricity costs.

[4]
D

Using a demand and supply diagram, explain how the simplified label may affect demand for energy-efficient refrigerators (Text A, paragraph 2).

[4]
E

Using a consumer-choice diagram, with refrigerator services over TT years and other goods on the axes, explain how a fully informed consumer could include future electricity costs when comparing the two refrigerators. Assume electricity use and its price remain constant, ignore discounting and other ownership costs, and let TT be the intended ownership period.

[4]
F

Using a demand and supply diagram, explain how standardized display order could affect demand for HomeHub's refrigerator.

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate policies to improve refrigerator choices in Tavira.

[15]
Question 19
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Food-waste reductions at Senda Markets

Read the extracts and answer the questions that follow.

Text A — Consumer decisions

  1. Senda Markets marks products approaching their expiry date with a green sticker and places them beside checkout queues. The retailer describes this as a nudge because customers may still buy any product at unchanged prices.

  2. Some customers infer that the green sticker is a recommendation. Others avoid the products because vivid news reports about food poisoning influence perceived risk, despite the products meeting safety standards.

Text B — Business responsibility

  1. Senda adopted corporate social responsibility targets for food waste and donations. Managers accept sorting costs and lower current revenue from unsold stock.

  2. Shareholders argue that products should instead be priced to maximize profit. Managers claim the policy attracts customers and motivates employees.

Table 1 — Green-sticker trial

Green-sticker trial outcomes by display arrangement.

DisplayShoppersBought near-expiry product
Usual display700140
Green-sticker checkout display700245

Table 2 — Monthly waste programme

Monthly outcomes of Senda Markets' food-waste programme.

Monthly measureBefore programmeWith programme
Food waste / tonnes per month2012
Programme operating cost / currency units per month06000
Savings in disposal and purchasing costs / currency units per month09000
A
I.

Define the term nudge (Text A, paragraph 1).

[2]
II.

Define the term corporate social responsibility (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the purchase rate under each display and the change in percentage points.

[3]
II.

Using Table 2, calculate the percentage reduction in food waste and the programme's net monthly cost saving.

[2]
C

Using a choice-architecture diagram, explain how the green-sticker checkout display may influence customers (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how availability bias arising from food-poisoning reports could affect near-expiry product sales (Text A, paragraph 2).

[4]
E

Using a firm cost and revenue diagram, explain how the waste programme could increase Senda's current profit (Table 2).

[4]
F

Using a firm revenue and cost diagram, explain how corporate social responsibility could affect Senda's long-run profit (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate whether Senda's food-waste policy demonstrates a conflict between corporate social responsibility and profit maximization.

[15]
Question 20
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Workplace pension saving in Country A

The government of Country A is concerned that many workers intend to save for retirement but postpone joining a pension plan. It introduced automatic enrolment at several large employers. Workers may opt out at any time without charge.

Table 1 compares pension participation before and after automatic enrolment.

Eligible employees and pension participation rates before and after automatic enrolment at three employers in Country A.

EmployerEligible employees / workersBefore enrolment / %After enrolment / %
Alpha200042%78%
Beta150036%72%
Gamma250048%80%

Under the scheme, employees contribute 4% of annual salary and employers contribute a further 3%. Table 2 provides information about employees who remained enrolled after the policy was introduced.

Table 2: Employees remaining enrolled after automatic enrolment and pension contribution rates.

EmployerEmployees remaining enrolled / workersAverage annual salary / currency unitsEmployee contribution rate / %Employer contribution rate / %
Alpha15603000043
Beta10802800043
Gamma20003200043

A government survey found that 68% of workers who had not joined a pension stated that the application was too complicated, 47% repeatedly postponed the decision and 39% could not compare the fees charged by different pension providers. Some workers argued that automatic enrolment could cause financial hardship for low-income households.

A
I.

Define the term bounded self-control.

[2]
II.

Using Table 1, calculate the increase in the total number of employees participating in a pension plan following automatic enrolment.

[3]
III.

Using Table 2, calculate the total annual value of employee and employer pension contributions after automatic enrolment.

[4]
IV.

Calculate the percentage of eligible employees who opted out of automatic enrolment across the three employers.

[2]
V.

Explain how automatic enrolment may increase pension participation even though workers remain free to opt out.

[4]
VI.

Distinguish between a mandated choice and a restricted choice in the context of pension saving.

[3]
VII.

Explain how the survey evidence challenges the assumption of perfect information in rational consumer choice theory.

[2]
B

Using the text/data provided and your knowledge of economics, recommend a policy that the government of Country A should use to increase adequate retirement saving while protecting consumer welfare.

[10]

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Question 21
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
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Meal choices in public hospitals

The health ministry of Country B tested different ways of presenting meals in hospital cafeterias. A healthy meal and a regular meal remained available as alternatives in every trial except under restricted choice. The underlying meals and prices did not change during the experiment.

Table 1 shows the results among equal-sized groups of cafeteria customers.

Meal selections under unrestricted active choice, the healthy default and mandated active choice, plus assigned meal offers under restricted choice, among equal-sized groups of 800 hospital cafeteria customers. Under restricted choice, the 640 and 160 figures are policy-assigned offers, not voluntary selections.

Choice arrangementHealthy meal / customersRegular meal / customersTotal / customers
Unrestricted active choice240560800
Healthy default with easy opt-out520280800
Mandated active choice400400800
Restricted choice: 640 customers offered only healthy meal; 160 offered only regular meal640160800

Table 2 provides price and cost information for the two meals.

Prices and unit costs for each meal, unchanged across all customer groups.

MealPrice / currency units per mealUnit cost / currency units per meal
Healthy meal85
Regular meal73

Health researchers estimated that the healthy meal generates lower average public healthcare costs and lower greenhouse-gas emissions. Critics argued that the government should not manipulate adults' food choices and that some patients require meals with different nutritional characteristics.

A
I.

Define the term choice architecture.

[2]
II.

Using Table 1, calculate the healthy-meal selection rates under unrestricted active choice and the healthy default, and the percentage-point change between them.

[3]
III.

Determine the additional number of healthy meals that would be selected per 2000 customers if the healthy default replaced unrestricted active choice.

[2]
IV.

Using Tables 1 and 2, calculate the change in cafeteria profit for a group of 800 customers when the healthy default replaces unrestricted active choice.

[4]
V.

Explain why the healthy default may change meal selections without changing prices or removing either meal.

[4]
VI.

Distinguish between the mandated-choice and restricted-choice arrangements used in the experiment.

[3]
VII.

Explain how bounded selfishness could influence a customer's meal choice.

[2]
B

Using the text/data provided and your knowledge of economics, recommend a choice-architecture policy for meals sold in Country B's public hospitals.

[10]
Question 22
HL • Paper 3
Hard
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HL • Paper 3
Hard
Calculator Permitted

Growth and market share at Lumina Deliveries

Lumina Deliveries operates in the parcel-delivery market of Country D. Its managers receive bonuses based mainly on sales growth and market share. Table 1 shows selected information before and after Lumina reduced its average delivery price and expanded rapidly.

Lumina Deliveries and total-market indicators before and after expansion.

YearAverage price / currency units per deliveryLumina deliveries / deliveriesAverage total cost / currency units per deliveryTotal market deliveries / deliveries
Year 12580,00020400,000
Year 220120,00018480,000

Table 2 shows selected indicators associated with the expansion.

Selected indicators for Lumina Deliveries before and after expansion.

Indicator / unitYear 1Year 2
Worker injuries / injuries820
Average deliveries per worker per day / deliveries4055
On-time delivery rate / %9690
Worker training spending / currency units160000120000

Lumina's owners are concerned that current profit has fallen. Worker representatives report that expansion has increased workloads and injuries. The government is considering whether firms bidding for public delivery contracts should be required to meet safety and social-responsibility standards.

A
I.

Define the term profit maximization.

[2]
II.

Using Table 1, calculate Lumina's total profit in Year 1 and Year 2 and the change in profit.

[4]
III.

Calculate Lumina's market share in each year and the change in market share in percentage points.

[3]
IV.

Calculate the percentage growth in Lumina's deliveries and the percentage growth in the total market between Year 1 and Year 2.

[3]
V.

Explain why the data suggest that Lumina prioritized market-share or growth maximization rather than short-run profit maximization.

[4]
VI.

Explain how Lumina's expansion could increase long-run profit despite reducing current profit.

[4]
B

Using the text/data provided and your knowledge of economics, recommend a government procurement policy for delivery firms bidding for public contracts in Country D.

[10]
Question 23
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Responsible production at Selva Clothing

Selva Clothing is choosing between a conventional production plan and a responsible production plan using certified materials, safer working conditions and less polluting technology. Managers estimate the annual outcomes shown in Table 1.

Annual operating data for Selva Clothing's two production plans.

Production planPrice / currency units per itemSales / items per yearVariable cost / currency units per itemFixed cost / currency units per yearEmissions / kg per item
Conventional5010000028100000012
Responsible501100003412000005

A consumer survey is summarized in Table 2.

Survey responses from 1000 consumers about responsible clothing production and price.

Consumer responseConsumers / numberShare of respondents / %
Prefer verified responsible item at the same price (0% premium)44044
Prefer a verified responsible item even when its price is 1% to 5% higher26026
Buy the lowest-priced item regardless of certification18018
Unsure because sustainability labels are difficult to compare12012
Total respondents1000100

Selva's shareholders are divided. Some want the plan producing the greatest current profit. Others argue that corporate social responsibility could strengthen customer loyalty, reduce regulatory risk and improve long-run performance. The government is considering policies to encourage credible environmental and labour commitments by clothing firms.

A
I.

Define the term corporate social responsibility.

[2]
II.

Using Table 1, calculate Selva's annual profit under each production plan.

[4]
III.

Calculate the short-run profit sacrificed if Selva adopts the responsible production plan.

[2]
IV.

Calculate the change in total annual emissions if Selva adopts the responsible production plan and the percentage reduction relative to conventional production.

[3]
V.

Using Table 1, calculate the percentage increase in sales under the responsible production plan.

[2]
VI.

Explain how the consumer survey provides evidence of bounded selfishness.

[3]
VII.

Explain two ways in which corporate social responsibility could increase Selva's long-run profit.

[4]
B

Using the text/data provided and your knowledge of economics, recommend a government policy to encourage credible corporate social responsibility in Country C's clothing industry.

[10]
Question 24
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an appropriate diagram, explain how bounded self-control and bounded selfishness challenge the conventional model of rational consumer choice.

[10]
B

Using real-world examples, discuss the view that departures from self-interested behaviour show that consumers do not maximize utility.

[15]

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Question 25
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using appropriate diagrams, explain how reminders and social-comparison messages may affect consumer decisions.

[10]
B

Using real-world examples, discuss the view that behavioural interventions should be used instead of taxes and regulation to influence consumer behaviour.

[15]
Question 26
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using appropriate diagrams, explain how market-share maximization and growth maximization may conflict with short-run profit maximization.

[10]
B

Using real-world examples, evaluate the view that pursuing growth is more likely than pursuing market share to ensure a firm's long-run success.

[15]
Question 27
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
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Expansion at Movana Ride

Read the extracts and answer the questions that follow.

Text A — Business expansion

  1. Movana Ride reduced fares and paid large joining bonuses to drivers. Its share of urban trips increased. Managers stated that market-share maximization was necessary to build a network before rivals expanded.

  2. Current profit fell, but managers expect a larger user base to create brand recognition and lower average marketing costs. Drivers report longer working hours and reduced support quality.

Text B — Consumer behaviour

  1. The app displays the most expensive vehicle category first. This initial fare may create anchoring bias, making the standard fare appear inexpensive.

  2. The transport regulator is considering standardized fare displays and minimum service-quality requirements.

Table 1 — Market outcomes

Urban ride-hailing market trips and average fares in two years.

YearMovana trips / millionTotal market trips / millionMovana average fare / currency units
Year 112608
Year 221707

Table 2 — Movana's financial outcomes

Movana Ride's financial outcomes in Years 1 and 2.

YearTotal revenue / million currency unitsTotal cost / million currency units
Year 19684
Year 2147143
A
I.

Define the term market-share maximization (Text A, paragraph 1).

[2]
II.

Define the term anchoring bias (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate Movana's market share in each year and the change in percentage points.

[3]
II.

Using Table 2, calculate Movana's profit in each year and the change in profit.

[2]
C

Using a demand and supply diagram, explain how lower fares and joining bonuses may increase Movana's number of trips (Text A, paragraph 1).

[4]
D

Using a choice-presentation diagram, explain how displaying the expensive vehicle first may affect selection of the standard fare (Text B, paragraph 1).

[4]
E

Using a firm cost and revenue diagram, explain how Movana's market-share strategy affected short-run profit (Tables 1 and 2).

[4]
F

Using a long-run average cost diagram, explain how a larger market share could increase Movana's long-run profit (Text A, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Movana's market-share strategy is likely to benefit consumers in the long run.

[15]
Question 28
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Objectives at Arvena Furniture

Read the extracts and answer the questions that follow.

Text A — Managerial decisions

  1. Arvena is owned by thousands of shareholders but managed by salaried executives. Managers seek sufficient profit to satisfy shareholders while preserving stable employment and manageable expansion. This is satisficing.

  2. Shareholders argue that managers may prefer larger offices, more staff and lower workloads. Imperfect information makes it difficult for shareholders to determine whether the highest attainable profit has been earned.

Text B — Customer decisions

  1. Arvena offers a ten-year repair service. Customers cannot easily judge future reliability and therefore face imperfect information. Many buy Arvena after recommendations from friends rather than comparing all producers.

  2. Management proposes investing in repair centres and sustainably sourced timber. The investment would lower current profit but could support loyalty, growth and corporate social responsibility.

Table 1 — Managerial targets and outcomes

Managerial targets and current outcomes at Arvena Furniture.

MeasureAcceptable targetActual outcome
Annual profit / million currency unitsMinimum: 6.06.8
Employee turnover rate / %Maximum: 129

Table 2 — Proposed investment

Annual revenue and total cost under Arvena's two plans.

PlanAnnual revenue / million currency unitsTotal cost / million currency units
Current plan40.033.2
Investment plan45.039.5
A
I.

Define the term satisficing (Text A, paragraph 1).

[2]
II.

Define the term imperfect information (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate how far each actual outcome was from its acceptable target.

[2]
II.

Using Table 2, calculate profit under each plan and the change in forecast profit if Arvena invests.

[3]
C

Using a target diagram, explain why Arvena's current performance is consistent with satisficing (Text A, paragraph 1).

[4]
D

Using a profit-maximization diagram, explain how a shareholder seeking maximum profit would determine Arvena's output.

[4]
E

Using a demand and supply diagram, explain how Arvena's repair service could affect demand for its furniture (Text B, paragraph 1).

[4]
F

Using a schematic total-revenue and total-cost diagram, explain how the proposed investment may affect Arvena's short-run profit (Table 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether satisficing is a more realistic objective than profit maximization for Arvena.

[15]

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Question 29
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
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Online subscription marketing in Country C

The consumer protection authority of Country C investigated an online entertainment company. Identical customers were randomly assigned to different presentations of the same monthly subscription. The subscription price and quality were unchanged across the groups.

Table 1 presents the results.

Purchase outcomes for customers shown different price presentations.

GroupPrice presentationSubscription price / currency units per monthSample size / customersNumber purchasing / customers
1No reference price18500110
2High reference price: 3018500185
3Competitor median price: 161850090

Customers shown the high reference price saw the statement “Usually 30 currency units—today only 18”. The service had not been widely sold at 30 currency units. The subscription automatically renewed, and its cancellation instructions occupied four pages. Table 2 contains further financial information.

Monthly subscription pricing, service-cost and refund information.

ItemValue
Subscription price18 currency units per subscriber per month
Marginal service cost6 currency units per subscriber per month
Median competitor monthly price16 currency units per month
Refund rate among high-reference-price purchasers12%
Refund paid per refunded subscription18 currency units
Service cost recovered on a refunded subscription0 currency units recovered; 6 currency units of service cost still incurred

The company argued that consumers were free to reject or cancel the subscription. The authority found that many customers mistakenly believed that the displayed reference price represented the typical market price.

A
I.

Define the term anchoring bias.

[2]
II.

Using Table 1, calculate the purchase rates for the no-reference-price and high-reference-price groups, the percentage-point difference and the percentage increase relative to the no-reference-price group.

[4]
III.

Calculate the company's monthly total revenue, total variable cost and contribution before fixed costs from purchasers in the high-reference-price group.

[3]
IV.

Using the expected number of refunds, calculate the company's expected monthly contribution after refunds and before fixed costs from the high-reference-price group.

[3]
V.

Explain how the experimental results challenge the assumptions of rational consumer choice.

[4]
VI.

Explain how a rule of thumb may have influenced customers shown the high reference price.

[2]
VII.

Explain why providing more cancellation information may not fully protect consumers in this market.

[2]
B

Using the text/data provided and your knowledge of economics, recommend a consumer protection policy for online subscriptions in Country C.

[10]
Question 30
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Household electricity tariffs in Country F

The energy regulator of Country F tested three choice arrangements for households selecting an electricity tariff. The renewable and standard tariffs remained available in all three trials. Table 1 shows the results.

Household tariff selections under three choice arrangements in Country F.

Choice arrangementRenewable tariff / householdsStandard tariff / householdsTotal / households
Renewable default7202801000
Mandated active choice5604401000
Standard default2807201000

Table 2 provides information about monthly profit contributions and emissions under each tariff.

Monthly information per household for the two electricity tariffs. Profit contribution equals revenue minus cost.

TariffRevenue / currency units/monthCost / currency units/monthProfit contribution / currency units/monthEmissions / kg/month
Renewable64521280
Standard604416300

The electricity supplier originally used the standard tariff as the default because it generated greater profit per customer. It is willing to accept a lower but satisfactory profit if this reduces emissions and protects its reputation. Low-income groups have expressed concern that the renewable tariff is more expensive.

A
I.

Define the term satisficing as a business objective.

[2]
II.

Using Table 1, calculate the renewable-tariff selection rate under each arrangement and the difference between the two default arrangements.

[4]
III.

Using Tables 1 and 2, calculate the supplier's total monthly profit contribution from each of the three groups.

[4]
IV.

Using Tables 1 and 2, calculate total monthly emissions for the renewable-default and standard-default groups, and the absolute and percentage reductions produced by changing to the renewable default.

[4]
V.

Explain how the results demonstrate the influence of a default choice on consumer behaviour.

[3]
VI.

Explain why accepting the renewable-default outcome could be consistent with satisficing rather than profit maximization by the supplier.

[3]
B

Using the text/data provided and your knowledge of economics, recommend a choice-architecture policy for household electricity tariffs in Country F.

[10]

2.3 Competitive market equilibrium

2.5 Elasticity of demand