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Sample PNG Grade 12 Economics Practice Questions

Try these sample questions to review concepts for the PNG Grade 12 Economics exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 99+ question experience with AI tutoring.

1In a competitive market for fresh vegetables in Goroka, what will occur if the market price is currently set above the equilibrium price?
A.A shortage will develop, exerting upward pressure on the price.
B.A surplus will develop, exerting downward pressure on the price.
C.Market demand will shift rightward to clear the excess supply.
D.Market supply will shift leftward until the price stabilizes.
Explanation: When the prevailing price is higher than the equilibrium price, quantity supplied exceeds quantity demanded, creating a market surplus. In an unregulated market, sellers will lower prices to dispose of unsold produce, bidding the price down until quantity demanded equals quantity supplied.
2Which of the following scenarios best illustrates the 'substitution effect' of a price rise for sweet potato (kaukau)?
A.Consumers buy less kaukau because their real purchasing power has declined.
B.Consumers switch to relatively cheaper carbohydrates such as rice or cassava.
C.Producers allocate more land to cultivate kaukau instead of peanuts.
D.The overall demand curve for all local root crops shifts downward.
Explanation: The substitution effect occurs when a price increase makes a good relatively more expensive compared to alternative substitutes, incentivizing consumers to replace it with cheaper alternatives like rice or cassava. In contrast, the income effect refers to the reduction in real purchasing power caused by the higher price.
3In a hypothetical market, the price of kaukau rises from K20 to K25 per bag and quantity demanded falls from 1,000 to 750 bags per week. Using the original price and quantity as percentage-change bases, what is the signed price elasticity of demand?
A.-0.50
B.-1.00
C.-1.25
D.-2.00
Explanation: Percentage change in price = ((25 - 20) / 20) * 100% = +25%. Percentage change in quantity demanded = ((750 - 1000) / 1000) * 100% = -25%. Price elasticity of demand (PED) = %ΔQd / %ΔP = -25% / +25% = -1.00. This demonstrates unitary elasticity.
4A retail store in Lae observes that when it lowers the price of school notebooks from K10 to K8, its total revenue increases from K10,000 to K12,000. What does this reveal about the price elasticity of demand for these notebooks over this price range?
A.Demand is perfectly inelastic.
B.Demand is price inelastic (PED < 1 in absolute value).
C.Demand is unitary elastic (PED = 1 in absolute value).
D.Demand is price elastic (PED > 1 in absolute value).
Explanation: According to the total revenue test, when a price reduction leads to an increase in total revenue, the percentage increase in quantity demanded must exceed the percentage reduction in price. Therefore, demand is price elastic (|PED| > 1).
5A poultry farmer's supplied quantity rises from 500 to 550 birds when price rises from K20 to K25. Using the original price and quantity as the percentage-change bases, what is the price elasticity of supply?
A.0.40
B.0.80
C.1.25
D.2.50
Explanation: Percentage change in price = ((25 - 20) / 20) * 100% = +25%. Percentage change in quantity supplied = ((550 - 500) / 500) * 100% = +10%. Price elasticity of supply (PES) = %ΔQs / %ΔP = 10% / 25% = 0.40. Because PES < 1, the supply of broiler chickens is price inelastic.
6Following a national minimum wage adjustment, average household income in an urban center increases by 15%. Over the same period, the quantity demanded for generic tinned mackerel decreases by 6%. What is the income elasticity of demand (YED) and how is this good classified?
A.YED = +0.40; Normal necessity
B.YED = -0.40; Inferior good
C.YED = -2.50; Normal luxury
D.YED = +2.50; Veblen good
Explanation: Income elasticity of demand (YED) = %ΔQd / %ΔY = -6% / +15% = -0.40. A negative YED indicates an inferior good, meaning consumers purchase less of it as their real income rises, preferring higher-grade alternatives.
7The price of ground coffee in PNG supermarkets rises by 10%, causing the quantity demanded for black tea bags to increase by 15%. What is the cross-price elasticity of demand (XED) between coffee and tea, and what does the sign indicate?
A.XED = -1.5; they are complementary goods.
B.XED = +0.67; they are substitute goods.
C.XED = +1.5; they are substitute goods.
D.XED = -0.67; they are independent goods.
Explanation: Cross-price elasticity of demand (XED) = %ΔQd of tea / %ΔP of coffee = +15% / +10% = +1.5. A positive XED signifies that the two goods are substitutes, as consumers shift toward tea when coffee becomes more expensive.
8In a hypothetical competitive rice market, the government sets a binding price ceiling below equilibrium. With the original supply and demand curves unchanged and no compensating supply programme, what is the expected result?
A.A market surplus of rice as farmers increase production.
B.A shortage of rice, leading to queuing and non-price rationing.
C.An outward shift of the market supply curve for rice.
D.A permanent decrease in consumer demand for rice.
Explanation: An effective price ceiling is set below equilibrium price, which increases quantity demanded while decreasing quantity supplied. This creates an excess demand or shortage, often leading to rationing, black markets, or long queues.
9The government establishes a minimum support price (price floor) for copra above the market clearing price to support rural growers. What is a direct consequence of this policy if the government does not buy the excess supply?
A.An unsold surplus of copra accumulating in copra-producing provinces.
B.A shortage of copra available to domestic oil mills.
C.A fall in the price paid by consumers in retail markets.
D.An inward shift in the supply curve of copra.
Explanation: When a price floor is set above equilibrium, producers supply more than buyers are willing and able to purchase at that elevated price (Qs > Qd). Without government purchasing of the excess output, an unsold market surplus results.
10Which statement precisely defines 'consumer surplus' in a market diagram?
A.The total profit earned by sellers above their minimum cost of production.
B.The difference between the maximum amount consumers are willing to pay and the market price actually paid.
C.The total revenue collected by the government through indirect sales taxes.
D.The excess unsold goods remaining in stores when supply exceeds demand.
Explanation: Consumer surplus represents the net economic benefit to consumers, measured graphically as the area beneath the demand curve and above the market equilibrium price line up to the quantity purchased.

About the PNG Grade 12 Economics Exam

Independent English-language MCQ practice for PNG Grade 12 Economics. Microeconomics, macroeconomics, the global economy, and PNG development. The Department’s Economics syllabus covers growing and managing the economy and requires numerical, graphical, research, and communication skills. This is independent English-language MCQ study practice. It is not an official translation, format simulation, or substitute for writing, speaking, practical, or performance assessment. Passages, resource-booklet extracts, datasets, and policy scenarios written for these exercises are illustrative unless a named primary source is identified. They are not the actual 2026 paper or resource booklet.

Exam sponsor: Department of Education, Measurement Services Division (MSD). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Written external Economics examination plus internal assessment. The official syllabus allows selected, short, and extended responses in school tests; the precise 2026 external-paper mix was not verified. The published Grade 12 internal-assessment table includes tests/examinations (150 marks), research/investigation/communication (100), and stimulus-based skills (50). These are internal-assessment allocations, not external blueprint percentages. Certification requires internal and external requirements; follow the current handbook and school instructions.

Time Limit

2026 per-paper duration not verified; confirm current instructions

Passing Score

No universal 2026 pass mark verified; confirm current certification and selection requirements

Exam / Certification Fees

Official fee not verified; confirm with your school or MSD

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

24 study questions; official weight not verified

Microeconomics

Selected independent practice in microeconomics. These are editorial study groupings, not official blueprint allocations.

25 study questions; official weight not verified

Macroeconomics

Selected independent practice in macroeconomics. These are editorial study groupings, not official blueprint allocations.

25 study questions; official weight not verified

International Trade

Selected independent practice in international trade. These are editorial study groupings, not official blueprint allocations.

25 study questions; official weight not verified

Png Economic Development

Selected independent practice in png economic development. These are editorial study groupings, not official blueprint allocations.

Preparing for the PNG Grade 12 Economics Exam

What You Need to Know

  • Passing score: No universal 2026 pass mark verified; confirm current certification and selection requirements
  • Assessment: Written external Economics examination plus internal assessment. The official syllabus allows selected, short, and extended responses in school tests; the precise 2026 external-paper mix was not verified. The published Grade 12 internal-assessment table includes tests/examinations (150 marks), research/investigation/communication (100), and stimulus-based skills (50). These are internal-assessment allocations, not external blueprint percentages. Certification requires internal and external requirements; follow the current handbook and school instructions.
  • Time limit: 2026 per-paper duration not verified; confirm current instructions
  • Exam / certification fees: Official fee not verified; confirm with your school or MSD Official sources

Using Our Practice Resources

  • Work through all 99 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

PNG Grade 12 Economics: Suggested Study Strategy

1Work through elasticity, national-account, trade, and exchange-rate calculations.
2Check the date and source of real policy claims; calculation scenarios may use hypothetical figures.
3Practise explaining diagrams and composing evidence-based extended responses.

Frequently Asked Questions

When is the 2026 assessment scheduled?

The Department’s 2026 calendar lists 12–16 October 2026 for this assessment or its grade-level examination window. Follow your school’s subject timetable.

What is the official assessment format?

Written external Economics examination plus internal assessment. The official syllabus allows selected, short, and extended responses in school tests; the precise 2026 external-paper mix was not verified.

What language and eligibility information was verified?

Official curriculum resources are published in English, but a current examination-specific response-language policy was not verified. Confirm permitted response languages with your school or MSD. This practice bank uses English. This is a Grade 12 school assessment administered through nominated candidates and registered subject choices, rather than an unrestricted public certification test. Confirm nomination, schoolwork, and any FODE pathway requirements with the school or provider.

What other assessment work is required?

The published Grade 12 internal-assessment table includes tests/examinations (150 marks), research/investigation/communication (100), and stimulus-based skills (50). These are internal-assessment allocations, not external blueprint percentages. Certification requires internal and external requirements; follow the current handbook and school instructions.

What are the fee, duration, question count, and pass mark?

A current official per-paper fee, duration, item count, and universal pass mark were not verified as of 7 October 2026. Confirm them with your school or MSD; tuition-subsidy policy alone does not establish a zero examination fee.

How should this English-language MCQ bank be used?

This is independent English-language MCQ study practice. It is not an official translation, format simulation, or substitute for writing, speaking, practical, or performance assessment. Passages, resource-booklet extracts, datasets, and policy scenarios written for these exercises are illustrative unless a named primary source is identified. They are not the actual 2026 paper or resource booklet.