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NSWEconomics2023

HSC Economics 2023

Walkthrough of the 2023 HSC Economics exam: what each section assessed, timing, original exam-style worked questions on the balance of payments, the multiplier, terms of trade, tariffs and labour market measures, an essay plan, and common errors drawn from the NESA marking guidelines.

Marks
100
Time
180 min
Authority
NESA
Updated
Open the official PDF Official marking notes

What this paper assessed

The 2023 HSC Economics paper sampled all four topics of the Year 12 course, with a noticeable lean towards calculation and data interpretation in the multiple-choice section.

  • Topic 1, The Global Economy: the roles of international organisations (the OECD in Section I and the WTO in Section II), why countries trade, the effects of protection such as tariffs, quotas and production subsidies (including a subsidy calculation read off a supply and demand graph), how globalisation shows up in development indicators, and how lower global protection affects the way income is shared between rich and poor nations.
  • Topic 2, Australia's Place in the Global Economy: the composition of Australia's exports, free trade agreements, the structure of the balance of payments (a missing-component calculation), how the current account is linked to the capital and financial account, floating and fixed exchange rates, the terms of trade, the Trade Weighted Index, and how a lower currency feeds through to the current account.
  • Topic 3, Economic Issues: the participation rate, public goods, net foreign liabilities, CPI weightings, the Keynesian multiplier, the Lorenz curve and Gini coefficient, the sources and costs of income inequality, and (in Section III) environmental sustainability.
  • Topic 4, Economic Policies and Management: aggregate demand and supply, fiscal stance, monetary policy transmission, market-based environmental policies, labour market and microeconomic policies, and (in Section IV) the effectiveness of macroeconomic policy.

The Section III stimulus questions asked candidates to analyse either how Australia's trade (how much it trades, what it trades and with whom) has changed and what that has meant for economic performance, or what pursuing environmental sustainability means for the Australian economy. The Section IV essays offered a choice between globalisation and growth and development in a named economy other than Australia, and a judgement on how well Australia's fiscal and monetary policy have delivered growth and low, stable inflation.

Structure and timing

The cover gives 5 minutes reading time and 3 hours working time for 100 marks, with NESA-approved calculators allowed.

Section Questions Marks Suggested time on the paper
I - Multiple choice 1 to 20 20 about 35 minutes
II - Short answer 21 to 24 (all four) 40 about 1 hour 15 minutes
III - Stimulus extended response either 25 or 26 20 about 35 minutes
IV - Extended response essay either 27 or 28 20 about 35 minutes

The overall rate is 180100=1.8\dfrac{180}{100} = 1.8 minutes per mark. The paper's own allocations work out to roughly 3520=1.75\dfrac{35}{20} = 1.75 minutes per mark in Section I, 7540≈1.9\dfrac{75}{40} \approx 1.9 in Section II and 3520=1.75\dfrac{35}{20} = 1.75 in each extended response, and 35+75+35+35=18035 + 75 + 35 + 35 = 180 minutes in total.

A practical split:

  • Use reading time to choose your Section III and IV questions and jot down the case study economy or policy data you will use.
  • Section I: aim for 30 minutes. Several questions (net foreign liabilities, CPI contribution, multiplier, subsidy, TWI) need a line of working, so do those on the paper rather than in your head.
  • Section II: about 18 minutes per question. Each question ends with a 5 or 6-mark part that needs a judgement or analysis, so do not overspend on the 1 and 2-mark parts.
  • Sections III and IV: spend 3 to 5 minutes planning each, then write. Keep the last 5 minutes to check multiple-choice answers.

Worked practice questions (exam-style)

Worked example

Question 1 (4 marks): An economy with a floating exchange rate records the following annual flows ($ billion): goods credits 85, goods debits 95, services credits 30, services debits 22, primary income credits 12, primary income debits 40, net secondary income −3-3, and a net capital account of +1+1. Nominal GDP is $1100 billion and net errors and omissions are zero. (a) Calculate the current account balance and express it as a percentage of GDP. (b) Calculate the balance on the financial account.

Step 1: Net each part of the current account

Goods=85−95=−10,Services=30−22=+8\text{Goods} = 85 - 95 = -10, \qquad \text{Services} = 30 - 22 = +8

Net primary income=12−40=−28,Net secondary income=−3\text{Net primary income} = 12 - 40 = -28, \qquad \text{Net secondary income} = -3

Step 2: Sum to the current account balance

CAB=−10+8−28−3=−33 billion\text{CAB} = -10 + 8 - 28 - 3 = -33 \text{ billion}

CABGDP×100=−331100×100=−3.0%\frac{\text{CAB}}{\text{GDP}} \times 100 = \frac{-33}{1100} \times 100 = -3.0\%

The deficit is driven mainly by the net primary income deficit, which in an economy like this reflects interest and dividends paid on past foreign borrowing and investment.

Step 3: Use the balance of payments identity

The balance of payments always sums to zero (and with a floating exchange rate there is no central bank intervention in reserves to consider), so the capital and financial account must offset the current account:

CAB+KA+FA=0⇒−33+1+FA=0⇒FA=+32\text{CAB} + \text{KA} + \text{FA} = 0 \quad\Rightarrow\quad -33 + 1 + \text{FA} = 0 \quad\Rightarrow\quad \text{FA} = +32

A financial account surplus means net inflows of foreign investment and borrowing are funding the current account deficit, which in turn adds to net foreign liabilities.

Final answer: (a) current account deficit of $33 billion, which is 3.0% of GDP; (b) financial account surplus of $32 billion (a net inflow).

Worked example

Question 2 (3 marks): In an open economy, out of each extra dollar of income households save 10 cents, pay 25 cents in tax and spend 15 cents on imports; the rest is spent on domestically produced output. Real GDP is currently $60 billion below its potential level. (a) Calculate the multiplier. (b) Calculate the increase in government spending needed to close the gap. (c) Explain why an income tax cut of the same size would close less of the gap.

Step 1: Identify the leakages

MPS=0.10,MPT=0.25,MPM=0.15\text{MPS} = 0.10, \qquad \text{MPT} = 0.25, \qquad \text{MPM} = 0.15

Share re-spent on domestic output=1−(0.10+0.25+0.15)=0.50\text{Share re-spent on domestic output} = 1 - (0.10 + 0.25 + 0.15) = 0.50

Step 2: The multiplier

k=1MPS+MPT+MPM=10.50=2k = \frac{1}{\text{MPS} + \text{MPT} + \text{MPM}} = \frac{1}{0.50} = 2

Step 3: Required change in government spending

ΔG=ΔYk=602=$30 billion\Delta G = \frac{\Delta Y}{k} = \frac{60}{2} = \$30 \text{ billion}

Each round of spending becomes someone else's income, and half of every extra dollar is re-spent on local output, so a $30 billion injection generates $60 billion of extra income in total.

Step 4: Why a tax cut is weaker

Government spending is itself spending on output, so the whole $30 billion enters the first round. A $30 billion tax cut only raises disposable income: households save part of it and spend part on imports before any domestic spending occurs, so the first-round injection, and therefore the final rise in GDP, is smaller than $60 billion.

Final answer: (a) k=2k = 2; (b) government spending must rise by $30 billion; (c) part of a tax cut leaks into saving and imports before it is spent on domestic output, so the injection and the final rise in GDP are smaller.

Worked example

Question 3 (4 marks): A commodity-exporting economy has the export and import price indexes below (Year 1 = 100). (a) Calculate its terms of trade index in each year and the percentage change from Year 2 to Year 3. (b) Its currency's Trade Weighted Index (TWI) basket is Currency X 40%, Currency Y 35% and Currency Z 25%. In Year 3 its currency appreciates 5% against X, depreciates 8% against Y and is unchanged against Z. Estimate the change in the TWI from a starting value of 60.0.

Year Export price index Import price index
1 100 100
2 112 104
3 105 108

Step 1: Terms of trade index

ToT=export price indeximport price index×100\text{ToT} = \frac{\text{export price index}}{\text{import price index}} \times 100

Year 1: 100100×100=100.0Year 2: 112104×100≈107.7Year 3: 105108×100≈97.2\text{Year 1: } \frac{100}{100} \times 100 = 100.0 \qquad \text{Year 2: } \frac{112}{104} \times 100 \approx 107.7 \qquad \text{Year 3: } \frac{105}{108} \times 100 \approx 97.2

Step 2: Percentage change

97.22−107.69107.69×100≈−9.7%\frac{97.22 - 107.69}{107.69} \times 100 \approx -9.7\%

The terms of trade deteriorated because export prices fell while import prices rose, so each unit of exports now buys fewer imports. For a commodity exporter this usually means lower national income, lower company profits and tax revenue, and downward pressure on the currency.

Step 3: Weighted change in the TWI

Using the weighted-average approach, multiply each bilateral movement by its trade weight:

%ΔTWI≈0.40(+5)+0.35(−8)+0.25(0)=2.0−2.8=−0.8%\%\Delta\text{TWI} \approx 0.40(+5) + 0.35(-8) + 0.25(0) = 2.0 - 2.8 = -0.8\%

New TWI≈60.0×(1−0.008)=59.52\text{New TWI} \approx 60.0 \times (1 - 0.008) = 59.52

The RBA actually calculates the TWI as a geometric weighted index, which gives a slightly larger fall here (about 1.0%, to about 59.4), so treat the weighted-average figure as an estimate. Even though the currency rose against its largest partner, the bigger fall against Currency Y outweighs it, so the currency depreciates on a trade-weighted basis.

Final answer: (a) ToT is 100.0, about 107.7 and about 97.2, a fall of about 9.7% from Year 2 to Year 3 (a deterioration); (b) the TWI falls by about 0.8%, to roughly 59.5.

Worked example

Question 4 (4 marks): In Country M the domestic market for bicycles (quantities in thousands) is described by demand Qd=200−10PQ_d = 200 - 10P and domestic supply Qs=−20+10PQ_s = -20 + 10P, where PP is the price in dollars. The world price is $6 and Country M is a small importer. (a) Calculate the quantity imported at the world price. (b) The government imposes a tariff of $2 per bicycle. Calculate the new level of imports and the tariff revenue. (c) Explain one cost of the tariff for Country M.

Step 1: Free trade position at a price of $6

Qd=200−10(6)=140,Qs=−20+10(6)=40Q_d = 200 - 10(6) = 140, \qquad Q_s = -20 + 10(6) = 40

Imports=140−40=100 thousand\text{Imports} = 140 - 40 = 100 \text{ thousand}

Step 2: With the tariff the domestic price rises to $8

Qd=200−10(8)=120,Qs=−20+10(8)=60Q_d = 200 - 10(8) = 120, \qquad Q_s = -20 + 10(8) = 60

Imports=120−60=60 thousand\text{Imports} = 120 - 60 = 60 \text{ thousand}

Tariff revenue=$2×60 000=$120 000\text{Tariff revenue} = \$2 \times 60\,000 = \$120\,000

Step 3: Who gains and who loses

Domestic producers sell more at a higher price: their revenue rises from $6×40 000=$240 000\$6 \times 40\,000 = \$240\,000 to $8×60 000=$480 000\$8 \times 60\,000 = \$480\,000. Consumers pay $2 more per bicycle and buy 20 000 fewer. Resources are also drawn into a domestic industry that is less efficient than foreign suppliers, so there is a loss of allocative efficiency (a deadweight loss), and trading partners may retaliate against Country M's exporters.

Final answer: (a) 100 000 bicycles imported; (b) imports fall to 60 000 and tariff revenue is $120 000; (c) consumers pay higher prices and buy fewer bicycles, and resources are misallocated to a less efficient industry.

Worked example

Question 5 (3 marks): An economy has a civilian population aged 15 and over of 21.0 million, with 13.3 million employed and 0.7 million unemployed. (a) Calculate the participation rate and the unemployment rate. (b) During a downturn, 0.1 million unemployed people become discouraged and stop looking for work, while employment is unchanged. Recalculate both rates and explain why the fall in the unemployment rate is misleading.

Step 1: Labour force and the original rates

Labour force=13.3+0.7=14.0 million\text{Labour force} = 13.3 + 0.7 = 14.0 \text{ million}

Participation rate=14.021.0×100≈66.7%,Unemployment rate=0.714.0×100=5.0%\text{Participation rate} = \frac{14.0}{21.0} \times 100 \approx 66.7\%, \qquad \text{Unemployment rate} = \frac{0.7}{14.0} \times 100 = 5.0\%

Step 2: After discouraged workers leave the labour force

Labour force=14.0−0.1=13.9 million,Unemployed=0.6 million\text{Labour force} = 14.0 - 0.1 = 13.9 \text{ million}, \qquad \text{Unemployed} = 0.6 \text{ million}

Participation rate=13.921.0×100≈66.2%,Unemployment rate=0.613.9×100≈4.3%\text{Participation rate} = \frac{13.9}{21.0} \times 100 \approx 66.2\%, \qquad \text{Unemployment rate} = \frac{0.6}{13.9} \times 100 \approx 4.3\%

Step 3: Interpret

The unemployment rate fell even though no new jobs were created. Discouraged workers are counted as outside the labour force, so they become hidden unemployment. The fall in the participation rate is the signal that labour market conditions have actually weakened.

Final answer: (a) participation 66.7%, unemployment 5.0%; (b) participation falls to about 66.2% and unemployment to about 4.3%, but the improvement is misleading because it reflects hidden unemployment, not job creation.

Worked example

Question 6 (20 marks): Evaluate the effectiveness of fiscal policy in promoting economic growth and a more equitable distribution of income in Australia.

"Evaluate" means you must make a judgement of value, and it has two targets (growth and equity), so plan to judge fiscal policy against each and then overall. Budget about 5 minutes planning and 30 minutes writing, which is roughly 3520=1.75\dfrac{35}{20} = 1.75 minutes per mark.

Step 1: Introduction and thesis

Define fiscal policy (the federal government's use of the budget, meaning changes in spending and revenue, to influence activity and income distribution), economic growth (the increase in real GDP over time) and an equitable distribution of income (a narrower gap between high and low income earners, shown by a Lorenz curve that bows less far from the diagonal and a lower Gini coefficient). State the judgement up front.

Step 2: Body 1, fiscal policy and growth in the short run

  • Mechanism: a more expansionary stance (a larger deficit or smaller surplus) raises aggregate demand directly through government spending and indirectly through disposable income, amplified by the multiplier.
  • Automatic stabilisers: progressive income tax receipts fall and unemployment benefits rise in a downturn without any new decision, cushioning demand.
  • Evidence: the discretionary stimulus packages during the global financial crisis of 2008 to 2009, and the JobKeeper wage subsidy during the COVID-19 downturn in 2020, as examples of fiscal policy supporting incomes and employment in a sharp downturn. Use data from your own notes on budget outcomes and growth where you are confident of it.
  • Evaluation: effective at stabilising demand in a crisis, but implementation lags are long because measures must pass through the budget process and Parliament.

Step 3: Body 2, fiscal policy and long-run growth

  • Spending on infrastructure, education, skills and research can lift productivity and aggregate supply.
  • Limits: persistent deficits add to public debt and interest costs; government borrowing may crowd out private investment; fiscal policy is constrained by the need to support monetary policy when inflation is high.

Step 4: Body 3, fiscal policy and income distribution

  • Revenue side: a progressive income tax system takes a larger share of higher incomes; indirect taxes such as the GST are regressive in their impact.
  • Spending side: transfer payments (for example unemployment and family payments, the age pension) and the social wage (Medicare, public education, housing assistance) raise the real living standards of low income households.
  • Evaluation: redistribution through the tax-transfer system narrows final income inequality compared with market income, but it does not directly address wealth inequality, and bracket creep and tax concessions can weaken progressivity.

Step 5: Body 4, conflicts and limitations

  • Growth and equity can conflict: higher marginal tax rates may reduce work and investment incentives, while cuts to top rates may widen inequality.
  • Fiscal policy works alongside monetary policy (the RBA's cash rate) and microeconomic reform; a sound answer shows how the policy mix, not fiscal policy alone, determines outcomes.
  • External shocks (global downturns, commodity price swings) can overwhelm the budget's influence.

Step 6: Conclusion

Return to both objectives and weigh them explicitly rather than just summarising.

Final answer: Fiscal policy is highly effective at stabilising growth during sharp downturns and is the government's most direct tool for redistributing income through progressive taxes, transfers and the social wage, but its effectiveness is limited by long implementation lags, debt constraints and the trade-off between incentives and equity, so it is most effective when coordinated with monetary policy and microeconomic reform.

Common errors students made

NESA did not publish marking feedback (notes from the marking centre) for the 2023 HSC Economics exam, so there is no official record of what candidates actually did. The points below are drawn only from what the published marking guidelines' criteria separate between mark bands.

  • Missing the judgement in "assess" questions. For the 6-mark depreciation question, a comprehensive account of the effects without a judgement of value reached only 4 marks; 5 and 6 required a judgement. The 5-mark microeconomic policy question was similar: explaining how policies affect unemployment without judging effectiveness sat at 2 marks, and some judgement was needed to reach 3 or more.
  • Only covering one side. The individualised employment contracts part needed benefits for both employers and employees for full marks; explaining only one side capped the response at 2. The inequality part rewarded both economic and social costs, with a sound treatment of only one kind limited to 3 of 5.
  • Treating the time frame as a single effect. The guidelines' sample treatment of a depreciation separated the short-term effect on import values from the medium-term effect on export and import volumes, and noted the impact on net primary income through foreign debt servicing costs. Responses that only say "a depreciation improves the current account" miss the timing and income effects that the sample treatment covers.
  • Covering only part of the trade question. In Question 25, the top band required a clear understanding of changes to value, composition and direction; the 13 to 16 band required at least two of them. A response on the value of trade alone sits in a lower band.
  • Not using the stimulus or a named economy. Section III criteria reward synthesis of your own knowledge with the information provided, and the Question 27 guidelines expect a named non-Australian economy to be discussed specifically, with relevant data on growth and development.
  • Losing easy calculation marks. The balance of payments part was worth 1 mark for a correct value only, so a sign error (forgetting that the financial account figure was negative, or that the accounts sum to zero) would lose the mark outright.

How to use this paper

  1. Download the official paper from the link above and sit Section I under time, writing a line of working next to every calculation question (net foreign liabilities, CPI contribution, multiplier, subsidy, TWI). Then check against the answer key in the marking guidelines.
  2. Redo Worked Questions 1 to 5 on this page without looking, then attempt the matching Section I and Question 22(a) items on the official paper to confirm the method transfers.
  3. For each Section II part, read the marking guideline criteria before you write and underline the verb (outline, explain, assess, analyse). Rewrite any "assess" answer until it ends with a clear judgement.
  4. Plan one Section III response and one Section IV essay in 5 minutes each, using the bands in the marking guidelines as a checklist (all three of value, composition and direction; a named economy; data; a sustained judgement), then write one of them in full in 35 minutes.

Use this paper well

  1. Sit the paper under exam conditions (180 minutes, 100 marks).
  2. Mark yourself against the official NESA marking notes.
  3. Compare against the Economics hub to find the syllabus dot points this paper tested.

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