Edexcel IAL Economics U3 Concept Map
36 个知识节点 · U3
1. Firm objectives & ownership
Profit, revenue, sales & satisficing objectives(企业目标)
Edexcel IAL WEC13/01 May 2024 (P75890A)
Edexcel IAL WEC13/01 Oct 2025 (P78818A)
Ownership–control separation & principal-agent(所有权与控制权分离)
Edexcel IAL WEC13/01 Oct 2025 (P78818A)
Edexcel IAL WEC13/01A Oct 2025 (P87429A)
2. Cost concepts
Fixed, variable, average & marginal costs(成本基础)
Edexcel IAL WEC13/01A Jan 2026 (P87666A)
Edexcel IAL WEC13/01 Oct 2025 (P78818A)
Short run costs & diminishing returns(短期成本与报酬递减)
Edexcel IAL WEC13/01 May 2023 (P72462A)
Edexcel IAL WEC13/01 May 2024 (P75890A)
3. Scale economies
Internal vs external economies of scale(规模经济)
Edexcel IAL WEC13/01 May 2024 (P75890A)
Edexcel IAL WEC13/01 May 2025 (P78810A)
Diseconomies & minimum efficient scale(规模不经济与MES)
Edexcel IAL WEC13/01 May 2023 (P72052A)
Edexcel IAL WEC13/01 May 2024 (P75890A)
4. Revenue analysis
(TR), (AR), (MR) and demand links(收益曲线)
Edexcel IAL WEC13/01 May 2025 (P78810A)
Edexcel IAL WEC13/01 Jan 2026 (P79140A)
Revenue-max vs profit-max outcomes(收益最大与利润最大)
Edexcel IAL WEC13/01 May 2023 (P72052A)
Edexcel IAL WEC13/01A Jan 2026 (P87666A)
5. Firm growth & integration
Horizontal / vertical / conglomerate integration(并购整合)
Edexcel IAL WEC13/01 Jan 2023 (P73484A)
Edexcel IAL WEC13/01A Jan 2026 (P87666A)
Demerger, joint venture & growth strategy(分拆与合资)
Edexcel IAL WEC13/01 Jan 2025 (P78463A)
Edexcel IAL WEC13/01 May 2024 (P75890A)
6. Perfect competition
Short-run equilibrium & shutdown logic(完全竞争短期)
Edexcel IAL WEC13/01 Jan 2025 (P78463A)
Edexcel IAL WEC13/01 May 2023 (P72462A)
Long-run entry and normal profit(完全竞争长期)
Edexcel IAL WEC13/01 Jan 2026 (P79140A)
Edexcel IAL WEC13/01 Oct 2024 (P78382A)
7. Monopoly & market power
Barriers to entry & natural monopoly(进入壁垒与自然垄断)
Edexcel IAL WEC13/01 Jan 2026 (P79140A)
Edexcel IAL WEC13/01 May 2023 (P72052A)
Monopoly pricing and objectives(垄断定价与目标)
Edexcel IAL WEC13/01 Jan 2023 (P73484A)
Edexcel IAL WEC13/01 May 2025 (P78810A)
8. Contestability & regulation
Contestability, patents, legal barriers(可竞争性)
Edexcel IAL WEC13/01 Oct 2023 (P75612RA)
Edexcel IAL WEC13/01 May 2023 (P72052A)
Regulation, competition policy, capture(监管与俘获)
Edexcel IAL WEC13/01 Oct 2025 (P78818A)
Edexcel IAL WEC13/01 Oct 2024 (P78382A)
9. Pricing behaviour
Price discrimination: conditions & effects(价格歧视)
Edexcel IAL WEC13/01 Jan 2026 (P79140A)
Edexcel IAL WEC13/01 Oct 2023 (P75612RA)
Limit pricing vs predatory pricing(限制性定价与掠夺性定价)
Edexcel IAL WEC13/01 Jan 2025 (P78463A)
Edexcel IAL WEC13/01 Jan 2023 (P73484A)
10. Market structures
Perfect / monopoly / monopolistic competition(市场结构对比)
Edexcel IAL WEC13/01 Oct 2025 (P78818A)
Edexcel IAL WEC13/01A Jan 2026 (P87666A)
Concentration ratio & market power(集中率与市场势力)
Edexcel IAL WEC13/01A Jan 2026 (P87666A)
Edexcel IAL WEC13/01 May 2023 (P72462A)
11. Efficiency & welfare
Allocative, productive and dynamic efficiency(效率)
Edexcel IAL WEC13/01 Oct 2025 (P78818A)
Edexcel IAL WEC13/01 Oct 2024 (P78382A)
Consumer/producer welfare trade-offs(福利权衡)
Edexcel IAL WEC13/01 Oct 2024 (P78382A)
Edexcel IAL WEC13/01 Jan 2026 (P79140A)
12. Labour demand
Derived demand for labour(劳动需求是派生需求)
Edexcel IAL WEC13/01 May 2025 (P78810A)
Edexcel IAL WEC13/01 Jan 2026 (P79140A)
Elasticity of labour demand factors(劳动需求弹性)
Edexcel IAL WEC13/01A Jan 2026 (P87666A)
Edexcel IAL WEC13/01 Jan 2023 (P73484A)
13. Labour supply & wages
Wage determination and labour supply(工资决定)
Edexcel IAL WEC13/01 May 2023 (P72052A)
Edexcel IAL WEC13/01 Oct 2023 (P75612RA)
Trade unions, minimum wage & intervention(工会与最低工资)
Edexcel IAL WEC13/01 Jan 2026 (P79140A) · labour context
Edexcel IAL WEC13/01A Oct 2025 (P87429A) · policy context
14. Labour mobility
Occupational vs geographical mobility(职业与地理流动)
Edexcel IAL WEC13/01 May 2024 (P75890A)
Edexcel IAL WEC13/01 May 2023 (P72462A)
Training, housing and mobility policies(流动性政策)
Edexcel IAL WEC13/01 May 2023 (P72462A)
Edexcel IAL WEC13/01 Oct 2023 (P75612RA)
15. Globalisation & MNCs
FDI, MNCs and relocation decisions(全球化与跨国企业)
Edexcel IAL WEC13/01 May 2023 (P72462A)
Edexcel IAL WEC13/01A Oct 2025 (P87429A)
Comparative advantage & specialisation(比较优势与专业化)
Edexcel IAL WEC13/01 May 2023 (P72462A) · global relocation context
Edexcel IAL WEC13/01 May 2025 (P78810A) · restructuring context
16. Trade & competitiveness
Competitiveness, productivity and costs(竞争力与生产率)
Edexcel IAL WEC13/01 Oct 2024 (P78382A)
Edexcel IAL WEC13/01 Jan 2025 (P78463A) · Section D context
Trade policy, protection and evaluation(贸易政策)
Edexcel IAL WEC13/01 Oct 2025 (P78818A) · Section context
Edexcel IAL WEC13/01 May 2023 (P72052A) · Section context
17. Development economics
Development indicators & limits(发展指标与局限)
Edexcel IAL WEC13/01 Jan 2026 (P79140A) · Section context
Edexcel IAL WEC13/01 Jan 2025 (P78463A) · Section context
Development constraints & inequality(发展约束与不平等)
Edexcel IAL WEC13/01 May 2025 (P78810A) · Section B context
Edexcel IAL WEC13/01A Oct 2025 (P87429A) · Section C context
18. Policy evaluation
Business support and industrial policy(产业与企业支持政策)
Edexcel IAL WEC13/01A Oct 2025 (P87429A)
Edexcel IAL WEC13/01 Oct 2024 (P78382A)
Policy mix for long-run development(长期发展政策组合)
Edexcel IAL WEC13/01 Jan 2026 (P79140A) · Section D context
Edexcel IAL WEC13/01 May 2023 (P72462A) · Section B context