Microeconomics: Sustainability • Macroeconomics: Intervention • The global economy: InterdependenceHL
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7
Official IB Result
37/45
General feedback
12/14
0
7
14
No overall summary is available for this report.
5.1·Weakness
Page 6
The policy is correctly identified as expansionary monetary policy, but calling it a direct government intervention is imprecise. The student should refer to the Reserve Bank or central bank rather than the government, because the distinction matters for terminology and shows a stronger understanding of institutional roles.
5.2·Strength
Page 7
The student makes a balanced judgment by recognising that monetary policy may need to be complemented by supply-side fiscal policy. This is a strong evaluative move because it shows that the policy is not being judged in isolation, but in relation to the underlying structural problem.
5.3·Weakness
Page 7
The terminology is understandable, but the wording is not consistently accurate. The student should use 'lower interest rates' and 'mortgage burden' or 'debt servicing costs' to keep the explanation precise and economically idiomatic throughout the commentary.
5.4·Strength
Page 7
This shows strong use of macroeconomic terminology because it distinguishes cyclical demand management from structural constraints. That distinction is important in IB economics, and it makes the commentary more convincing than a one-policy explanation would be.
5.5·Weakness
Page 7
This judgment is sensible, but it remains too broad to be fully convincing. The student should weigh the short-run benefits against the article’s specific concerns — especially the downgraded growth forecast, weak public demand and low inflation near the target floor — so the final assessment is sharper and more evidence-based.
5.6·Suggestion
Page 7
The student could tighten the wording here by naming the exact mechanism: if inflation rises, the RBA can raise the cash rate to reduce AD. Using the precise policy instrument would make the terminology clearer and avoid vague phrasing such as 'as AD is pulled'.
5.7·Question
Page 8
What would be the most likely trade-off if the RBA tightened policy again before growth had recovered? Thinking through that tension between inflation control and output growth would make the final judgment more nuanced and directly tied to the article’s policy dilemma.
5.8·Weakness
Page 8
This is a strong evaluative point, but it would be better if the student explained why low productivity matters for the size of the policy’s effect. Linking productivity to long-run aggregate supply, potential output, or trend growth would make the conclusion more analytical and less general.
Criteria A: Diagrams
3/3
0
2
3
Criteria StrandsPro
A.1Diagram inclusion and accuracy
Poor
A.2Diagram explanation
Good
Criteria Feedback
- The student included two relevant AD–AS diagrams that match the policy discussion.
- The diagrams are clearly labelled with axes, curves, and equilibrium points.
- The student's written explanation shows the intended transmission from weaker demand to a shift in aggregate demand.
- The diagrams need a clearer potential-output or long-run reference line to support the deflationary-gap claim.
- Some of the shifts and starting positions are not fully consistent with the written explanation.
- The macroeconomic axis should be more precisely described in relation to the average price level.
1.1·Suggestion
Page 5
The student could make Figure 1 stronger by adding a labelled long-run aggregate supply or potential-output line and explicitly showing where actual output sits relative to it. That would make the deflationary-gap argument much easier to follow and would better match the written explanation.
1.2·Weakness
Page 5
The diagram uses the standard axes, but the macroeconomic vertical axis should be more precisely tied to the average price level in the commentary. More importantly, the diagram needs a clearly identified potential-output reference to support the claim of a deflationary gap; without that, the shift story is incomplete.
1.3·Suggestion
Page 6
The student could improve Figure 2 by making the equilibrium changes easier to interpret in the explanation: state explicitly whether the new output level is closer to potential output and whether the price level rises slightly as AD shifts right. That would deepen the diagram explanation without needing more diagram complexity.
1.4·Weakness
Page 6
This explanation is directionally clear, but it does not fully reconcile the diagram with the article’s policy context. The student should explain why a 25-basis-point cut would produce this specific size of AD shift and how that relates to weak inflation and slowing growth, otherwise the figure feels descriptive rather than analytical.
1.5·Strength
Page 6
This is a strong transmission-mechanism explanation because it links the interest-rate cut to borrowing costs, household spending, and firm investment. That causal chain is exactly what the diagram is meant to illustrate, so the student should keep using this clear policy-to-output logic.
Criteria B: Terminology
2/2
0
1
2
Criteria StrandsPro
B.1Use of economic terminology
Moderate
Criteria Feedback
- The student uses a good range of relevant macroeconomic terminology.
- The student includes terms such as aggregate demand, inflation, real GDP, disposable income, and deflationary gap.
- The student's vocabulary helps keep the commentary focused on the policy issue in the article.
- Some terms are used imprecisely, especially where the role of the central bank is described as government intervention.
- A few terms are introduced without being fully supported by the diagram or the evidence.
- Some causal statements are awkwardly phrased or not fully accurate.
2.1·Strength
Page 4
The student clearly identifies the key concept and connects it to policy action by a central authority. This works because it gives the commentary a conceptual focus from the start and signals that the discussion will centre on how the RBA uses policy tools to influence the macroeconomy.
2.2·Weakness
Page 4
This definition is too narrow and slightly inaccurate because intervention in this commentary is not only about controlling inflation. The RBA is also intervening to support growth and employment. The student should broaden the definition to include the central bank’s wider macroeconomic objectives, which would make the key concept more precise and better linked to the article.
Criteria C: Application and Analysis
2/3
0
2
3
Criteria StrandsPro
C.1Application of economic theory
Good
C.2Quality of economic analysis
Good
Criteria Feedback
- The student applies the AD framework appropriately to explain how lower interest rates can raise consumption and investment.
- The student maintains a logical cause-and-effect chain throughout much of the commentary.
- The student connects theory to the article by referring to the policy rate cut and the inflation and growth context.
- Some of the analysis stays descriptive rather than fully developed.
- A few claims are not tightly anchored to the article’s specific evidence.
- The role of weak productivity and the difference between short-run demand effects and long-run capacity effects could be explained more clearly.
3.1·Weakness
Page 4
This sentence usefully brings in article evidence, but the explanation is still very general. The student should spell out how weaker spending and low productivity affect aggregate demand and long-run growth separately, rather than treating them as a single broad cause of slowdown.
3.2·Strength
Page 4
The student applies the AD identity appropriately and uses it to support the argument about weakening demand. This is effective because it shows how specific sectors can feed into the macroeconomic outcome rather than just stating that growth is slowing.
3.3·Weakness
Page 5
This is plausible, but it is not tightly anchored to the article. The source emphasises weak public demand, consumer demand and exports, not clearly falling business investment. The student should distinguish between what the article directly states and what is being inferred from theory to avoid overclaiming.
3.4·Weakness
Page 5
The deflationary-gap claim is not fully supported here because potential output is not clearly shown or labelled in the diagram. The student should either label the long-run or potential output level explicitly or avoid using the term, since economic analysis depends on the gap being demonstrated visually and conceptually.
Criteria D: Key Concept
3/3
0
2
3
Criteria StrandsPro
D.1Identification of key concept
Excellent
D.2Connection to article
Good
Criteria Feedback
- The student clearly identifies the key concept and keeps it central to the commentary.
- The student connects intervention to the Reserve Bank’s decision to adjust interest rates in response to inflation and slowing growth.
- The student maintains a consistent focus on policy action and its economic purpose.
- The student's definition could distinguish more clearly between central-bank intervention and government intervention.
- The concept discussion could go further in exploring trade-offs and wider consequences.
- The link to the article is clear, but not always fully developed in depth.
Criteria E: Evaluation
2/3
0
2
3
Criteria StrandsPro
E.1Quality of judgments
Good
E.2Supporting reasoning
Good
Criteria Feedback
- The student makes balanced judgments rather than simple one-sided claims.
- The student explains why the policy may help in the short run but still have limited impact if confidence is weak or households save more.
- The student recognises that the policy does not solve deeper structural issues such as low productivity.
- Some of the reasoning could be more directly tied to the article’s exact data.
- A few evaluative points would be stronger if they were linked more explicitly to the likely size of the interest-rate cut’s impact.
- The conclusion could weigh the competing outcomes even more sharply.
4.1·Strength
Page 7
This is a well-judged evaluative statement because it avoids claiming that the policy will work automatically. The student shows appropriate conditional reasoning, which strengthens the overall conclusion and makes the assessment more balanced.
4.2·Weakness
Page 7
The reasoning here becomes a little unclear. The student should explain more directly how precautionary saving or debt repayment reduces consumption and therefore weakens the AD effect, because that causal step is what makes the judgment persuasive.
4.3·Strength
Page 8
This is a strong evaluative conclusion because it links household behaviour to the likely scale of the policy’s impact. The student is not just stating a view, but explaining why the outcome could differ from the textbook prediction, which is exactly the kind of reasoning evaluation needs.