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A-Level Edexcel Economics Comprehensive Revision Notes

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Struggling with A Level Economics? These notes cover the entire Edexcel A-Level Economics A syllabus (Papers 1, 2 & 3, 9EC0) in one clean, structured document. What's inside: • Theme 1: Markets & Market Failure — supply and demand, elasticities, externalities, public goods, government intervention • Theme 2: UK Economy — GDP, inflation, unemployment, AD/AS model, multiplier, fiscal and monetary policy, supply-side policies • Theme 3: Business Behaviour & Labour Market — market structures (perfect competition, monopoly, oligopoly), game theory, costs and revenues, labour markets • Theme 4: Global Perspective — globalisation, comparative advantage, exchange rates, poverty and inequality, development economics, financial sector, role of the state Every topic includes: • Precise definitions matched to the mark scheme • Key diagrams (AD/AS, externalities, market structures, Lorenz curve)

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A Level Economics A
Complete Revision Notes
Pearson Edexcel Papers 1, 2 & 3 Code 9EC0
· ·

, How to Use These Notes
These notes cover the complete Pearson Edexcel A Level Economics A speci
cation (9EC0), match-
ing every topic in all four themes.

Colour Code Key

■ Blue boxes  Key concepts and important explanations
■ Green boxes  De
nitions (learn these precisely)
■ Orange boxes  Exam technique and common mistakes
■ Red boxes  Common errors / things to watch out for
■ Purple boxes  Formulae (show these in exams)


Assessment structure:

ˆ Paper 1 (35%): Markets & Business Behaviour  Themes 1 & 3, 2 hours, 100 marks

ˆ Paper 2 (35%): National & Global Economy  Themes 2 & 4, 2 hours, 100 marks

ˆ Paper 3 (30%): Micro & Macroeconomics  All themes, 2 hours, 100 marks


Assessment Objectives (AOs):

ˆ AO1 (2224%): Knowledge and understanding of terms, theories, models

ˆ AO2 (2224%): Application to economic contexts

ˆ AO3 (2628%): Analysis of economic issues

ˆ AO4 (2628%): Evaluation using qualitative and quantitative evidence


Exam Tip: AO3 and AO4 make up over half the marks combined. You must analyse and
evaluate  not just describe. Always discuss trade-os, limitations, and counterarguments.

,Contents
1 Nature of Economics 4
1.1 Economics as a Social Science . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Positive and Normative Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 The Economic Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Production Possibility Frontiers (PPFs) . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.5 Specialisation and the Division of Labour . . . . . . . . . . . . . . . . . . . . . . . . 5
1.6 Economic Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 How Markets Work 7
2.1 Rational Decision Making . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Demand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Elasticities of Demand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3.1 Price Elasticity of Demand (PED) . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3.2 Income Elasticity of Demand (YED) . . . . . . . . . . . . . . . . . . . . . . . 8
2.3.3 Cross Elasticity of Demand (XED) . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4.1 Price Elasticity of Supply (PES) . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 Price Determination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.6 Price Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.7 Consumer and Producer Surplus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.8 Indirect Taxes and Subsidies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.9 Alternative Views of Consumer Behaviour . . . . . . . . . . . . . . . . . . . . . . . . 10

3 Market Failure 11
3.1 Externalities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2 Public Goods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Information Gaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4 Government Intervention 12
4.1 Methods of Government Intervention . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 Government Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5 Measures of Economic Performance 14
5.1 Economic Growth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 In
ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3 Employment and Unemployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.4 Balance of Payments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6 Aggregate Demand (AD) 16

7 Aggregate Supply (AS) 17

8 National Income 18
8.1 Circular Flow of Income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.2 The Multiplier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

9 Economic Growth 19

10 Macroeconomic Objectives and Policies 19
10.1 Macroeconomic Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
10.2 Demand-Side Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
10.3 Supply-Side Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
10.4 Con
icts and Trade-Os Between Objectives . . . . . . . . . . . . . . . . . . . . . . 20

11 Business Growth 22
11.1 Sizes and Types of Firms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
11.2 How Businesses Grow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

12 Business Objectives 23


2

, Edexcel A Level Economics A  Complete Notes 9EC0
13 Revenues, Costs and Pro
ts 23
13.1 Revenue Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
13.2 Cost Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
13.3 Economies and Diseconomies of Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
13.4 Pro
t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

14 Market Structures 24
14.1 E
ciency Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
14.2 Perfect Competition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
14.3 Monopolistic Competition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
14.4 Oligopoly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
14.5 Monopoly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
14.6 Monopsony . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
14.7 Contestability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

15 Labour Market 27
15.1 Demand for Labour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
15.2 Supply of Labour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
15.3 Wage Determination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

16 Government Intervention in Markets (Theme 3) 28

17 International Economics 29
17.1 Globalisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
17.2 Specialisation and Trade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
17.3 Pattern of Trade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
17.4 Terms of Trade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
17.5 Trading Blocs and the WTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
17.6 Restrictions on Free Trade (Protectionism) . . . . . . . . . . . . . . . . . . . . . . . . 30
17.7 Balance of Payments (Theme 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
17.8 Exchange Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
17.9 International Competitiveness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

18 Poverty and Inequality 32
18.1 Poverty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
18.2 Inequality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

19 Emerging and Developing Economies 33
19.1 Measures of Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
19.2 Factors In
uencing Growth and Development . . . . . . . . . . . . . . . . . . . . . . 34
19.3 Strategies for Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

20 The Financial Sector 35
20.1 Role of Financial Markets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
20.2 Market Failure in the Financial Sector . . . . . . . . . . . . . . . . . . . . . . . . . . 35
20.3 Role of Central Banks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

21 Role of the State in the Macroeconomy 35
21.1 Public Expenditure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
21.2 Taxation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
21.3 Public Sector Finances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
21.4 Macroeconomic Policies in a Global Context . . . . . . . . . . . . . . . . . . . . . . . 36




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