Source: https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-2-demand

[Revision notes](https://senecalearning.com/en-gb/revision-notes.md) › [A Level](https://senecalearning.com/en-gb/revision-notes/a-level.md) › [Economics](https://senecalearning.com/en-gb/revision-notes/a-level/economics.md) › [Edexcel](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel.md) › Demand

# Demand

Economics: Edexcel A A Level, topic 1.2.2

## The Relationship Between Price and Quantity Demanded

The demand curve illustrates the relationship between quantity demanded and price.

### Price and quantity demanded

![Price and quantity demanded](https://image-v2.cdn.app.senecalearning.com/2018-08/cc937d3b-cb22-4eb8-9a57-6221a8274dc1/Normal%20demand%20curve%20small.png)

- Price is what the buyer pays for a specific good or service.
- Quantity demanded is the total number of units purchased at that price.
- The demand curve is downward sloping and shows the relationship between price and quantity.
 - This means that the higher the price is, the lower demand is. 
- The law of demand shows the inverse relationship between price and quantity, assuming all other variables are constant.

### Willingness and ability to pay

![Willingness and ability to pay](https://image-v2.cdn.app.senecalearning.com/2018-08/8b743e6e-c73a-40db-bdb9-805246debbe6/Normal%20demand%20curve.png)

- Willingness to pay - desire to pay based on tastes and preferences.
- Ability to pay - factors in a person's income, and whether they can afford the good or service or not.

### Substitutes and complements

![Substitutes and complements](https://image-v2.cdn.app.senecalearning.com/2018-08/3c32e081-a0a0-49be-9e72-a8d7cb1584ea/washing-pods-.jpg)

- Substitute goods - an increase in the price of one good will increase the quantity demanded of the other good.
 - E.g Persil and Ariel washing pods.
- Complement goods - an increase in the price of one good will cause a decrease in the quantity demanded of the other good.
- E.g flights to Spain and suncream.

### Income and substitution effects

![Income and substitution effects](https://image-v2.cdn.app.senecalearning.com/2018-08/271354de-7764-4dc5-b21f-d0826a4bb52b/sale-discount-.jpg)

- Two theories that explain the relationship between price and quantity are: 
 - Income effect - when prices fall, consumers can afford a greater quantity of goods and services (assuming income is fixed). So demand for these goods and services increases.
 - Substitution effect - when the price of one good falls, consumers will buy more of the cheaper good or service and less of the more costly good or service. So demand for the cheaper good will increase; demand for the costlier good decreases.

## Shifts in the Demand Curve

There are a number of factors that can cause the demand curve to shift.

### Change in demand

![Change in demand](https://image-v2.cdn.app.senecalearning.com/2018-07/fe890d32-9a21-48c1-9168-dc5a840cd786/Demand%20shifting%20right%20(1).png)

- The demand curve will shift right when there is an increase in demand for the good at each price level.
 - E.g if a product were to suddenly become more popular, the demand curve would shift right.
- The demand curve will shift left when there is a decrease in demand for the good at each price level.

### Change in income

![Change in income](https://image-v2.cdn.app.senecalearning.com/2018-08/6e40de05-7c84-406f-a4a0-e9551cf3167c/Income%20changing%20demand.png)

- The effect of a change in income depends on the type of good.
- For a normal good, increased income will lead to an increase in quantity demanded.
 - E.g new cars.
- For an inferior good, increased income may lead to a reduction in quantity demanded.
 - E.g rice (if more expensive products like meat can be afforded).

### Changes in prices cause a move along the curve

![Changes in prices cause a move along the curve](https://image-v2.cdn.app.senecalearning.com/2018-07/5ee13ecb-a1d2-4e2a-8244-636e3adebf59/1.3.1%20module%202%20Extension%20%26%20Contraction%20in%20Demand%20(3).png)

- Movements along the curve happen in response to a price change.
 - A rise in price will lead to a demand contraction.
 - A fall in price will lead to a demand expansion.

## Diminishing Marginal Returns

Diminishing marginal returns is the concept that the more of something you add, the lower the impact of each additional unit, assuming all else is fixed.

### The law of diminishing marginal utility

![The law of diminishing marginal utility](https://image-v2.cdn.app.senecalearning.com/2018-09/5aaa11df-6471-430a-9de9-e5120770b4f9/consumer-supermarket.jpg)

- Marginal utility is the extra benefit to an individual of consuming a good or service.
- The law of diminishing marginal utility states that the more an individual consumes (ceteris paribus) the utility of the good/service decreases with every additional unit consumed.

### Example of diminishing marginal utility

![Example of diminishing marginal utility](https://image-v2.cdn.app.senecalearning.com/2018-03/7e5d5c7b-c49b-4e1a-a814-e6a01e9d5726/shutterstock_719923828.jpg)

- Diminishing marginal utility.
- The first slice of Domino's pizza is very satisfying, but the 100th may not be quite as enjoyable. 
- Your tastes can be satiated (you can have enough of something). Eventually, the marginal utility of another slice of pizza may be negative.

### The demand curve

![The demand curve](https://image-v2.cdn.app.senecalearning.com/2018-08/cc937d3b-cb22-4eb8-9a57-6221a8274dc1/Normal%20demand%20curve%20small.png)

- The law of diminishing marginal returns can explain why the demand curve slopes downwards. As the quantity purchased rises, the price that consumers are willing to pay falls.
- Consumers may be willing to pay a lower price for a higher volume because they gain less utility (or satisfaction) from each extra unit.

## Test yourself on Demand

- The price of flights to Spain drop dramatically. What would we expect to happen to the quantity of flights demanded to Greece (all other things being equal)?
- If you increase the price of a good, what will happen to the quantity demanded of its complement good?
- How would a rise in price for a normal good affect demand?
- What is the level of consumption determined by?
- **Which economic concept does this describe?**

"The more of an input you add, the lower the impact of each additional unit, assuming all else is fixed"

[Practise this topic for free](https://app.senecalearning.com/classroom/course/d903555c-0201-4e4b-b4f4-8a5ad1345c9e/section/e1323614-094b-47a6-9a83-b71425f9138a/session)

- Previous topic: [1.2.1 Rational Decision Making](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-1-rational-decision-making.md)
- Next topic: [1.2.3 Elasticities of Demand](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-3-elasticities-of-demand.md)

## Economics: Edexcel A A Level contents

### 1 Introduction to Markets
- 1.1 Nature of Economics
  - [1.1.1 Economics as a Social Science](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-1-economics-as-a-social-science.md)
  - [1.1.2 Positive & Normative Economic Statements](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-2-positive-and-normative-economic-statements.md)
  - [1.1.3 The Economic Problem](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-3-the-economic-problem.md)
  - [1.1.4 Resources](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-4-resources.md)
  - [1.1.5 Production Possibility Frontiers](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-5-production-possibility-frontiers.md)
  - [1.1.6 Specialisation & Division of Labour](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-6-specialisation-and-division-of-labour.md)
  - [1.1.7 Types of Economies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-7-types-of-economies.md)
  - [1.1.8 End of Topic Test - Nature of Economics](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-8-end-of-topic-test-nature-of-economics.md)
  - [1.1.9 Application Questions - Nature of Economics](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-1-9-application-questions-nature-of-economics.md)
- 1.2 How Markets Work
  - [1.2.1 Rational Decision Making](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-1-rational-decision-making.md)
  - [1.2.2 Demand](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-2-demand.md)
  - [1.2.3 Elasticities of Demand](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-3-elasticities-of-demand.md)
  - [1.2.4 Elasticities of Demand 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-4-elasticities-of-demand-2.md)
  - [1.2.5 Elasticity & Revenue](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-5-elasticity-and-revenue.md)
  - [1.2.6 Supply](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-6-supply.md)
  - [1.2.7 Elasticity of Supply](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-7-elasticity-of-supply.md)
  - [1.2.8 Price Determination](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-8-price-determination.md)
  - [1.2.9 Price Mechanism](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-9-price-mechanism.md)
  - [1.2.10 Consumer & Producer Surplus](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-10-consumer-and-producer-surplus.md)
  - [1.2.11 Indirect Taxes & Subsidies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-11-indirect-taxes-and-subsidies.md)
  - [1.2.12 A-A* (AO3/4) - Taxing Prices or Quantities?](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-12-a-a-ao34-taxing-prices-or-quantities.md)
  - [1.2.13 Alternative View of Consumer Behaviour](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-13-alternative-view-of-consumer-behaviour.md)
  - [1.2.14 End of Topic Test - Markets](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-14-end-of-topic-test-markets.md)
  - [1.2.15 A-A* (AO3/4) - Markets](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/1-2-15-a-a-ao34-markets.md)

### 2 Market Failure
- 2.1 Market Failure
  - [2.1.1 Types of Market Failure](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-1-types-of-market-failure.md)
  - [2.1.2 Externalities](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-2-externalities.md)
  - [2.1.3 The Deadweight Welfare Loss of Externalities](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-3-the-deadweight-welfare-loss-of-externalities.md)
  - [2.1.4 A-A* (AO3/4) - The Externalities of Education](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-4-a-a-ao34-the-externalities-of-education.md)
  - [2.1.5 Public Goods](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-5-public-goods.md)
  - [2.1.6 Information Gaps](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-6-information-gaps.md)
  - [2.1.7 End of Topic Test - Market Failure](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-7-end-of-topic-test-market-failure.md)
  - [2.1.8 Application Questions - Market Failure](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-1-8-application-questions-market-failure.md)
- 2.2 Government Intervention
  - [2.2.1 Government Intervention in Markets](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-1-government-intervention-in-markets.md)
  - [2.2.2 Subsidies & Price Controls](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-2-subsidies-and-price-controls.md)
  - [2.2.3 Pollution Permits & Regulation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-3-pollution-permits-and-regulation.md)
  - [2.2.4 A-A* (AO3/4) - European Emissions Trading](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-4-a-a-ao34-european-emissions-trading.md)
  - [2.2.5 State Provision & Information Provision](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-5-state-provision-and-information-provision.md)
  - [2.2.6 Government Failure](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-6-government-failure.md)
  - [2.2.7 End of Topic Test - Government Intervention](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-7-end-of-topic-test-government-intervention.md)
  - [2.2.8 A-A* (AO3/4) - Government Intervention](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/2-2-8-a-a-ao34-government-intervention.md)

### 3 The UK Macroeconomy
- 3.1 Measures of Economic Performance
  - [3.1.1 Measuring Economic Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-1-measuring-economic-growth.md)
  - [3.1.2 National Income Data](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-2-national-income-data.md)
  - [3.1.3 Inflation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-3-inflation.md)
  - [3.1.4 Causes of Inflation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-4-causes-of-inflation.md)
  - [3.1.5 Consequences of Inflation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-5-consequences-of-inflation.md)
  - [3.1.6 Employment & Unemployment](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-6-employment-and-unemployment.md)
  - [3.1.7 Causes & Impact of Unemployment](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-7-causes-and-impact-of-unemployment.md)
  - [3.1.8 A-A* (AO3/4) - Hysteresis](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-8-a-a-ao34-hysteresis.md)
  - [3.1.9 Balance of Payments](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-9-balance-of-payments.md)
  - [3.1.10 Current Account Deficit & Imbalances](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-10-current-account-deficit-and-imbalances.md)
  - [3.1.11 End of Topic Test - Economic Performance](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-11-end-of-topic-test-economic-performance.md)
  - [3.1.12 Application Questions Macroeconomy](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-1-12-application-questions-macroeconomy.md)
- 3.2 Aggregate Demand
  - [3.2.1 Aggregate Demand](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-1-aggregate-demand.md)
  - [3.2.2 Consumption](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-2-consumption.md)
  - [3.2.3 Investment](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-3-investment.md)
  - [3.2.4 Government Expenditure](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-4-government-expenditure.md)
  - [3.2.5 Net Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-5-net-trade.md)
  - [3.2.6 End of Topic Test - Aggregated Demand](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-6-end-of-topic-test-aggregated-demand.md)
  - [3.2.7 Application Questions - AD](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-2-7-application-questions-ad.md)
- 3.3 Aggregate Supply
  - [3.3.1 Aggregate Supply](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-3-1-aggregate-supply.md)
  - [3.3.2 End of Topic Test - Aggregated Supply](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-3-2-end-of-topic-test-aggregated-supply.md)
  - [3.3.3 A-A* (AO3/4) -Aggregate Supply](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-3-3-a-a-ao34-aggregate-supply.md)
- 3.4 National Income
  - [3.4.1 National Income](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-4-1-national-income.md)
  - [3.4.2 Injections & Withdrawals](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-4-2-injections-and-withdrawals.md)
  - [3.4.3 Equilibrium Level of Real National Output](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-4-3-equilibrium-level-of-real-national-output.md)
  - [3.4.4 Multiplier Effect](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-4-4-multiplier-effect.md)
  - [3.4.5 End of Topic Test - National Income](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-4-5-end-of-topic-test-national-income.md)
  - [3.4.6 Application Questions - National Income](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-4-6-application-questions-national-income.md)
- 3.5 Economic Growth
  - [3.5.1 Causes of Economic Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-5-1-causes-of-economic-growth.md)
  - [3.5.2 Output Gaps](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-5-2-output-gaps.md)
  - [3.5.3 Business Cycle](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-5-3-business-cycle.md)
  - [3.5.4 Impact of Economic Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-5-4-impact-of-economic-growth.md)
  - [3.5.5 End of Topic Test - Economic Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-5-5-end-of-topic-test-economic-growth.md)
  - [3.5.6 A-A* (AO3/4) - Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/3-5-6-a-a-ao34-growth.md)

### 4 The UK Economy - Policies
- 4.1 Macroeconomic Objectives & Policies
  - [4.1.1 Possible Objectives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-1-possible-objectives.md)
  - [4.1.2 Demand-Side Policies - Monetary](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-2-demand-side-policies-monetary.md)
  - [4.1.3 Demand-Side Policies - Monetary 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-3-demand-side-policies-monetary-2.md)
  - [4.1.4 A-A* (AO3/4) - The Future of Interest Rates](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-4-a-a-ao34-the-future-of-interest-rates.md)
  - [4.1.5 Demand-Side Policies - Fiscal](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-5-demand-side-policies-fiscal.md)
  - [4.1.6 Demand-Side Policies in 2007-08](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-6-demand-side-policies-in-2007-08.md)
  - [4.1.7 Strengths & Weaknesses of Demand Side](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-7-strengths-and-weaknesses-of-demand-side.md)
  - [4.1.8 Supply-Side Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-8-supply-side-policies.md)
  - [4.1.9 Supply-Side Policies 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-9-supply-side-policies-2.md)
  - [4.1.10 Conflicts Between Objectives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-10-conflicts-between-objectives.md)
  - [4.1.11 A-A* (AO3/4) - Conflicting Incentives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-11-a-a-ao34-conflicting-incentives.md)
  - [4.1.12 Phillips Curve](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-12-phillips-curve.md)
  - [4.1.13 End of Topic Topic - Policies & Objectives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-13-end-of-topic-topic-policies-and-objectives.md)
  - [4.1.14 Application Questions - UK Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/4-1-14-application-questions-uk-policies.md)

### 5 Business Behaviour
- 5.1 Business Growth
  - [5.1.1 Size & Types of Firms](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-1-1-size-and-types-of-firms.md)
  - [5.1.2 Business Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-1-2-business-growth.md)
  - [5.1.3 Pros & Cons of External Expansion](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-1-3-pros-and-cons-of-external-expansion.md)
  - [5.1.4 Demergers](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-1-4-demergers.md)
  - [5.1.5 End of Topic Test - Business Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-1-5-end-of-topic-test-business-growth.md)
  - [5.1.6 A-A* (AO3/4) - Business Growth](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-1-6-a-a-ao34-business-growth.md)
- 5.2 Business Objectives
  - [5.2.1 Business Objectives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-2-1-business-objectives.md)
  - [5.2.2 End of Topic Test - Business Objectives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-2-2-end-of-topic-test-business-objectives.md)
  - [5.2.3 Application Questions - Business Objectives](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-2-3-application-questions-business-objectives.md)
- 5.3 Revenues, Costs & Profits
  - [5.3.1 Revenue](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-1-revenue.md)
  - [5.3.2 Costs](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-2-costs.md)
  - [5.3.3 Economies & Diseconomies of Scale](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-3-economies-and-diseconomies-of-scale.md)
  - [5.3.4 Profits](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-4-profits.md)
  - [5.3.5 Profits 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-5-profits-2.md)
  - [5.3.6 End of Topic Test - Revenue, Costs & Profits](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-6-end-of-topic-test-revenue-costs-and-profits.md)
  - [5.3.7 A-A* (AO3/4) - Revenue, Costs & Profit](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/5-3-7-a-a-ao34-revenue-costs-and-profit.md)

### 6 Market Structures
- 6.1 Market Structures
  - [6.1.1 Efficiency](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-1-efficiency.md)
  - [6.1.2 Perfect Competition](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-2-perfect-competition.md)
  - [6.1.3 Perfect Competition 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-3-perfect-competition-2.md)
  - [6.1.4 Monopolistic Competition](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-4-monopolistic-competition.md)
  - [6.1.5 Oligopolies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-5-oligopolies.md)
  - [6.1.6 The Prisoner's Dilemma](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-6-the-prisoners-dilemma.md)
  - [6.1.7 Collusion in Oligopolistic Markets](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-7-collusion-in-oligopolistic-markets.md)
  - [6.1.8 A-A* (AO3/4) - Which Factors Affect Collusion?](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-8-a-a-ao34-which-factors-affect-collusion.md)
  - [6.1.9 Monopolies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-9-monopolies.md)
  - [6.1.10 Price Discrimination](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-10-price-discrimination.md)
  - [6.1.11 Monopsony](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-11-monopsony.md)
  - [6.1.12 A-A* (AO3/4) - Models in Economics](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-12-a-a-ao34-models-in-economics.md)
  - [6.1.13 Contestability](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-13-contestability.md)
  - [6.1.14 Benefits of Contestability](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-14-benefits-of-contestability.md)
  - [6.1.15 End of Topic Test - Market Structures](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-15-end-of-topic-test-market-structures.md)
  - [6.1.16 Application Questions - Market Structures](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-16-application-questions-market-structures.md)
  - [6.1.17 A-A* (AO3/4) - Cereal Collusion](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-1-17-a-a-ao34-cereal-collusion.md)
- 6.2 Labour Market
  - [6.2.1 Demand for Labour](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-1-demand-for-labour.md)
  - [6.2.2 Supply of Labour](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-2-supply-of-labour.md)
  - [6.2.3 Labour Market Imperfections](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-3-labour-market-imperfections.md)
  - [6.2.4 A-A* (AO3/4) - Labour Productivity & Unemployment](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-4-a-a-ao34-labour-productivity-and-unemployment.md)
  - [6.2.5 A-A* (AO3/4) - What Level of Unionisation is Good?](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-5-a-a-ao34-what-level-of-unionisation-is-good.md)
  - [6.2.6 Wage Determination](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-6-wage-determination.md)
  - [6.2.7 Elasticity of Labour Supply & Demand](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-7-elasticity-of-labour-supply-and-demand.md)
  - [6.2.8 Intervention in Setting Wages](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-8-intervention-in-setting-wages.md)
  - [6.2.9 End of Topic Test - Labour Market](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-9-end-of-topic-test-labour-market.md)
  - [6.2.10 A-A* (AO3/4) - Labour Markets](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-2-10-a-a-ao34-labour-markets.md)
- 6.3 Government Intervention
  - [6.3.1 Reasons for Government Intervention](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-1-reasons-for-government-intervention.md)
  - [6.3.2 Government Promotion of Competition](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-2-government-promotion-of-competition.md)
  - [6.3.3 Usefulness of Competition Policy & Examples](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-3-usefulness-of-competition-policy-and-examples.md)
  - [6.3.4 A-A* (AO3/4) - Modern Competition Policy](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-4-a-a-ao34-modern-competition-policy.md)
  - [6.3.5 Privatisation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-5-privatisation.md)
  - [6.3.6 Government Regulation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-6-government-regulation.md)
  - [6.3.7 A-A* (AO3/4) - Nationalisation vs Privatisation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-7-a-a-ao34-nationalisation-vs-privatisation.md)
  - [6.3.8 Government Protection of Suppliers and Employees](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-8-government-protection-of-suppliers-and-employees.md)
  - [6.3.9 Impact of Government Intervention](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-9-impact-of-government-intervention.md)
  - [6.3.10 End of Topic Test - Government Intervention](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-10-end-of-topic-test-government-intervention.md)
  - [6.3.11 Application Questions - Government Intervention](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/6-3-11-application-questions-government-intervention.md)

### 7 A Global Perspective
- 7.1 International Economics - Globalisation & Trade
  - [7.1.1 Globalisation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-1-globalisation.md)
  - [7.1.2 Globalisation for LEDCs](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-2-globalisation-for-ledcs.md)
  - [7.1.3 Globalisation for MEDCs](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-3-globalisation-for-medcs.md)
  - [7.1.4 Specialisation & Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-4-specialisation-and-trade.md)
  - [7.1.5 Pattern of Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-5-pattern-of-trade.md)
  - [7.1.6 Terms of Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-6-terms-of-trade.md)
  - [7.1.7 Trading Blocs](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-7-trading-blocs.md)
  - [7.1.8 UK, EU & WTO](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-8-uk-eu-and-wto.md)
  - [7.1.9 End of Topic Test - Globalisation & Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-9-end-of-topic-test-globalisation-and-trade.md)
  - [7.1.10 A-A* (AO3/4) - Globalisation & Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-1-10-a-a-ao34-globalisation-and-trade.md)
- 7.2 International Economics - Currency
  - [7.2.1 Merged Currency](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-1-merged-currency.md)
  - [7.2.2 Restrictions on Free Trade](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-2-restrictions-on-free-trade.md)
  - [7.2.3 Arguments for Protectionism](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-3-arguments-for-protectionism.md)
  - [7.2.4 Arguments Against Protectionism](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-4-arguments-against-protectionism.md)
  - [7.2.5 Balance of Payments](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-5-balance-of-payments.md)
  - [7.2.6 Balance of Payments 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-6-balance-of-payments-2.md)
  - [7.2.7 Floating Exchange Rates](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-7-floating-exchange-rates.md)
  - [7.2.8 Fixed Exchange Rate](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-8-fixed-exchange-rate.md)
  - [7.2.9 International Competitiveness](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-9-international-competitiveness.md)
  - [7.2.10 End of Topic Test - International Economy](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-10-end-of-topic-test-international-economy.md)
  - [7.2.11 Application Questions - International Economics](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/7-2-11-application-questions-international-economics.md)

### 8 Finance & Inequality
- 8.1 Poverty & Inequality
  - [8.1.1 Absolute & Relative Poverty](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-1-absolute-and-relative-poverty.md)
  - [8.1.2 Inequality](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-2-inequality.md)
  - [8.1.3 Inequality 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-3-inequality-2.md)
  - [8.1.4 Lorenz Curve](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-4-lorenz-curve.md)
  - [8.1.5 Government Policy on Poverty](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-5-government-policy-on-poverty.md)
  - [8.1.6 End of Topic Test - Poverty & Inequality](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-6-end-of-topic-test-poverty-and-inequality.md)
  - [8.1.7 A-A* (AO3/4) - Inequality & Poverty](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-1-7-a-a-ao34-inequality-and-poverty.md)
- 8.2 Emerging & Developing Economies
  - [8.2.1 Measures of Development](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-1-measures-of-development.md)
  - [8.2.2 Factors Influencing Growth & Development](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-2-factors-influencing-growth-and-development.md)
  - [8.2.3 Barriers to Development](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-3-barriers-to-development.md)
  - [8.2.4 Barriers to Development 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-4-barriers-to-development-2.md)
  - [8.2.5 A-A* (AO3/4) - The Bottom Billion](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-5-a-a-ao34-the-bottom-billion.md)
  - [8.2.6 Development Strategies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-6-development-strategies.md)
  - [8.2.7 Interventionist Strategies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-7-interventionist-strategies.md)
  - [8.2.8 Aid](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-8-aid.md)
  - [8.2.9 International Institutions](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-9-international-institutions.md)
  - [8.2.10 International Institutions 2](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-10-international-institutions-2.md)
  - [8.2.11 End of Topic Test - Emerging & Developing](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-11-end-of-topic-test-emerging-and-developing.md)
  - [8.2.12 Application Questions - Developing Countries](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-2-12-application-questions-developing-countries.md)
- 8.3 The Financial Sector
  - [8.3.1 Role of Financial Markets](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-3-1-role-of-financial-markets.md)
  - [8.3.2 Market Failure in the Financial Sector](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-3-2-market-failure-in-the-financial-sector.md)
  - [8.3.3 Role of Central Banks](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-3-3-role-of-central-banks.md)
  - [8.3.4 End of Topic Test - The Financial Sector](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-3-4-end-of-topic-test-the-financial-sector.md)
  - [8.3.5 A-A* (AO3/4) - Financial Sector](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-3-5-a-a-ao34-financial-sector.md)
- 8.4 Role of the State in the Macroeconomy
  - [8.4.1 Public Expenditure](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-4-1-public-expenditure.md)
  - [8.4.2 Taxation](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-4-2-taxation.md)
  - [8.4.3 Public Sector Finances](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-4-3-public-sector-finances.md)
  - [8.4.4 End of Topic Test - Role of the State](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-4-4-end-of-topic-test-role-of-the-state.md)
  - [8.4.5 Application Questions - Role of the State](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/8-4-5-application-questions-role-of-the-state.md)

### 9 Examples of Global Policy
- 9.1 International Policies
  - [9.1.1 Global Debt & Deficit Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-1-1-global-debt-and-deficit-policies.md)
  - [9.1.2 Poverty & Inequality Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-1-2-poverty-and-inequality-policies.md)
  - [9.1.3 Changes in Interest Rates](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-1-3-changes-in-interest-rates.md)
  - [9.1.4 Competitiveness Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-1-4-competitiveness-policies.md)
  - [9.1.5 End of Topic Test - International Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-1-5-end-of-topic-test-international-policies.md)
  - [9.1.6 A-A* (AO3/4) - International Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-1-6-a-a-ao34-international-policies.md)
- 9.2 Policy Responses to Shocks
  - [9.2.1 International Tax Policies](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-2-1-international-tax-policies.md)
  - [9.2.2 Problems for Policymakers](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-2-2-problems-for-policymakers.md)
  - [9.2.3 End of Topic Test - Policy Responses](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-2-3-end-of-topic-test-policy-responses.md)
  - [9.2.4 Application Questions - Policy Responses](https://senecalearning.com/en-gb/revision-notes/a-level/economics/edexcel/9-2-4-application-questions-policy-responses.md)
