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Exam in 22 days · 3 tasks due · Essay streak: 4
78%
Micro mastery
54%
Macro gap
18/25
Last essay grade
🔴 SRS overdue — Marshall's derived demand & factor markets
8 min
🟡 Macro: J-curve effect & current account deficit (weakest topic)
15 min
🔵 25-mark timed essay: negative externalities & government intervention
25 min
CC Examiner Heuristic
Essay marked — 25-mark evaluate question
Market Failure · Paper 1 Microeconomics · 28 minutes taken
AO Balance Analysis
AO1 Knowledge
74%
AO2 Application
55%
AO3 Analysis
78%
AO3 Evaluation
61%
PREDICTED · 18/25 · GRADE A
CC Tip: Add a justified conclusion weighing market-based vs regulatory solutions to reach Band 5 (21+/25).
✓ AO1 strong — welfare loss triangle correctly defined
✓ Pigouvian tax mechanism explained with diagram reference
⚠ AO2 lacks a current real-world context (e.g. UK carbon tax 2024)
✗ No justified conclusion — evaluation is one-sided
✗ Government failure not considered — limits AO3 marks
Spaced Repetition System
Today's recall queue — 5 concepts due
SM-2 algorithm · Scheduled to your forgetting curve
📖 NOW REVIEWING
Marshall's Derived Demand — Factor Markets
Demand for labour is derived from demand for the final good. If demand for output rises, the marginal revenue product (MRP) curve shifts right, raising the wage rate in a competitive labour market. Evaluation: MRP theory assumes perfect information and competitive markets — rarely holds in monopsonistic labour markets.
J-curve effect — current account
DUEPED & total revenue relationship
SOONMonetary policy transmission mechanism
OKNegative externalities — welfare loss
NEWKAA Chain Builder
25-mark evaluate — minimum wage & unemployment
Knowledge → Application → Analysis chain · Both sides forced
K
Knowledge (AO1)
A minimum wage above equilibrium creates a price floor, generating excess labour supply (unemployment) in classical theory.
A
Application (AO2)
UK NLW rose to £11.44/hr (Apr 2024). Low-wage sectors — care, retail, hospitality — most directly affected.
A
Analysis & Evaluation (AO3)
Card & Krueger (1994) found no job losses post-NJ minimum wage rise — monopsony power explains this. Counter: small firms with low profit margins may reduce hours.
A minimum wage set above the market-clearing wage creates a price floor, which classical theory predicts will cause excess labour supply. In the UK, the National Living Wage rose to £11.44/hr in April 2024, affecting an estimated 2.7 million workers in care and retail. However, Card & Krueger's (1994) natural experiment challenged this — finding no significant job losses following New Jersey's minimum wage increase. This is consistent with a monopsony model: where employers hold wage-setting power, a minimum wage can simultaneously raise pay and employment…
Progress Report
AQA Economics — Your academic profile
Week 6 of 14 · Exam: 22 days
Overall: Grade A boundary
4 Targeted Priorities
Macro (54%) is your biggest gap — 24% below Micro. Focus on monetary policy, exchange rates and the macro objectives trade-off.
Synoptic linking (48%) weakest — practice micro-macro connections before Paper 3. Inflation ↔ labour markets ↔ AD/AS.
Diagrams (63%) — J-curve and Lorenz curve most frequently missed. Diagram Practice has 12 drawn walkthroughs.
No justified conclusion in 4 of last 5 essays — that's a Band 3 ceiling at 15/25. A* Eval Hub has the fix.
A* Evaluation Hub
Command word decoder — economics
Know exactly what AO marks each command word demands before you write.
Evaluate
AO1 + AO2 + AO3
Both sides + justified conclusion. No conclusion = Band 3 ceiling (15/25).
Assess
AO1 + AO2 + AO3
Weigh relative significance. Must state which factor matters most and why.
Analyse
AO1 + AO3
Chain of reasoning required. Use "therefore" and "this means" explicitly.
Explain
AO1 + AO2
Define the concept then link it to the specific context given in the question.
Examine
AO1 + AO3
Explore causes and consequences. Introduce limitations of the main argument.
Discuss
AO1 + AO2 + AO3
Both sides equally weighted. Avoid a strong conclusion — "it depends" is valid.
Data Response Trainer
Extract B — AQA-style question
The highest-frequency mark losses fixed with mark-scheme annotation
Practice · 15-mark assess
Using Extract B and your economic knowledge, assess the likely impact of a rise in UK interest rates on the current account of the balance of payments.
EXTRACT B (adapted):The Bank of England raised the base rate to 5.25% in 2023 — a 15-year high. UK exports fell 2.3% in Q3 while import costs remained elevated due to sterling depreciation lagging behind rate rises.
✓ AO2 — extract data cited
Add J-curve →
Mark Loss Analysis
Extract data used correctly
92%J-curve effect explained
58%Marshall-Lerner condition cited
34%Two-sided argument (assess)
61%Justified conclusion
29%Synoptic Linker
Market failure — selected
Micro-macro connections across all three papers — the thinking Paper 3 rewards.
3 Synoptic Links — Market Failure
→ Government Policy (Paper 3)Pigouvian taxes correct negative externalities — but if information failure exists, the optimal tax rate cannot be calculated. Government failure compounds market failure.
→ Inequality & RedistributionNegative externalities disproportionately affect lower-income groups (e.g. air pollution). Links to Lorenz curve, Gini coefficient, and redistributive fiscal policy.
→ AD/AS & Macro ObjectivesCarbon taxes raise costs of production, shifting SRAS left and creating a trade-off between environmental targets and the macro objective of low inflation.