🏠 Vault / School / Economics / Theme2_1-2-2_Notes.md
Theme 2.1 & 2.2 — Notes
<#>Theme 2.1 & 2.2 — Notes#>
<##>Lecture Notes##>
Theme2_1-2-2_Lecture_Notes.pdf
Covers:
- 2.1 Price Mechanism: Signalling, incentive, rationing functions
- 2.1 Demand & Supply: Equilibrium, shifts, PED/YED/XED/PES
- 2.1 Government Intervention: Taxes, subsidies, price controls, quotas
- 2.2 Firms & Decisions: Profit max (MR=MC), alternative objectives
- 2.2 Cost & Revenue: SR costs, economies/diseconomies of scale
- 2.2 Strategies: Growth, price discrimination, collusion, innovation, marketing
- Efficiency: Allocative, productive, dynamic efficiency
<##>Exam Notes##>
Theme2_1-2-2_Exam_Notes.pdf
Covers:
- Paper structure and timing
- Command words and mark allocation
- 8 exam patterns with model answer structures
- DIEE framework (HCI approach)
- Diagram checklist
- Common errors
<##>Key Formulae##>
| Concept | Formula |
|---------|---------|
| PED | %ΔQd / %ΔP |
| YED | %ΔQd / %ΔY |
| XED | %ΔQd(A) / %ΔP(B) |
| PES | %ΔQs / %ΔP |
| Profit | TR - TC |
| Profit Max | MR = MC (MC rising) |