2.1.1

The Circular Flow of Income

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Circular Flow of Income

This model provides an illustration of the flow of money around an economy.

The circular flow diagram

The circular flow diagram

  • This model pictures the economy as consisting of two groups—households and firms—that interact in two markets:
    • The goods and services market in which firms sell and households buy.
    • The labor market in which households sell labor to business firms or other employees.
Good and services market

Good and services market

  • Firms produce and sell goods and services to households in the market for goods and services (or product market). Arrow “A” indicates this.
  • Households pay for goods and services, which becomes the revenues to firms. Arrow “B” indicates this.
  • Arrows A and B represent the two sides of the product market.
Labor market

Labor market

  • Where do households obtain the income to buy goods and services?
  • They provide the labor and other resources (e.g. land, capital, raw materials) firms need to produce goods and services in the market for inputs (or factors of production). Arrow “C” indicates this.
  • In return, firms pay for the inputs (or resources) they use in the form of wages and other factor payments. Arrow “D” indicates this.
  • Arrows “C” and “D” represent the two sides of the factor market.
Adding complexity

Adding complexity

  • This version of the circular flow model is stripped down to the essentials, but it has enough features to explain how the product and labor markets work in the economy.
  • We could easily add details to this basic model if we wanted to introduce more real-world elements, like financial markets, governments, and interactions with the rest of the globe (imports and exports).
Jump to other topics
1

Microeconomics

1.1

Competitive Markets: Demand & Suply

1.1.1Markets & Demand1.1.2Diminishing Marginal Returns1.1.3Supply1.1.4Market Equilibrium1.1.5Price Mechanism1.1.6Consumer & Producer Surplus1.1.7IB Multiple Choice - Demand1.1.8IB Multiple Choice - Supply
1.2

Elasticity

1.2.1Elasticities of Demand1.2.2Factors Affecting Price Elasticity of Demand1.2.3Elasticity of Supply1.2.4Price Elasticity of Supply1.2.5IB Multiple Choice - Price Elasticity of Demand1.2.6IB Multiple Choice - Price Elasticity of Supply1.2.7IB Multiple Choice - Other Elasticities
1.3

Government Intervention

1.3.1Indirect Taxes & Subsidies1.3.2Application Question - Taxing Prices or Quantities1.3.3Subsidies & Price Controls1.3.4Deadweight Loss & Government Intervention1.3.5Elasticity & Tax Incidence1.3.6IB Multiple Choice - Government Intervention
1.4

Market Failure

1.4.1Types of Market Failure1.4.2Introduction to Externalities1.4.3Negative Externalities1.4.4Policy for Negative Externalities1.4.5Positive Externalities1.4.6The Deadweight Welfare Loss of Externalities1.4.7Case Study - The Externalities of Education1.4.8Public Goods & the Free-Rider Problem1.4.9Asymmetric Information1.4.10End of Topic Test - Market Failure1.4.11Application Questions - Market Failure
1.5

HL: Theory of the Firm & Market Structures

1.5.1Theory of the Firm & Market Structures
2

Macroeconomics

2.1

The Level of Overall Economic Activity

2.1.1The Circular Flow of Income2.1.2Defining GDP2.1.3Limitations of GDP2.1.4IB Multiple Choice - Economic Indicators2.1.5Business Cycles2.1.6Output Gaps
2.2

Aggregate Demand & Aggregate Supply

2.2.1The Aggregate Demand Curve2.2.2Components of Aggregate Demand2.2.3Shape of the Aggregate Demand Curve2.2.4Shifts in Aggregate Demand2.2.5IB Multiple Choice - Aggregate Demand2.2.6Short & Long-Run Aggregate Supply2.2.7Alternative Models of LRAS2.2.8Equilibrium in the AD-AS Model2.2.9Output Gaps & the AD-AS Model
2.3

Macroeconomic Objectives

2.3.1Introduction to Unemployment2.3.2Limitations of Unemployment2.3.3Types of Unemployment2.3.4Causes & Impact of Unemployment2.3.5Defining Inflation2.3.6Measuring Inflation2.3.7Use of Index Numbers2.3.8The Consumer Price Index2.3.9Consequences of Inflation2.3.10Causes of Inflation2.3.11Inflation & Unemployment Tradeoff2.3.12The Short-Run Phillips Curve2.3.13The Long-Run Phillips Curve
2.4

Economic Growth, Poverty & Inequality

2.4.1Measuring Economic Growth2.4.2Determinants of Productivity2.4.3Economic Growth & Productivity2.4.4Absolute & Relative Poverty2.4.5Inequality2.4.6Inequality 22.4.7Lorenz Curve2.4.8Government Policy on Poverty2.4.9End of Topic Test - Poverty & Inequality2.4.10Application - Inequality & Poverty
2.5

Fiscal Policy

2.5.1Introduction to Fiscal Policy2.5.2Fiscal Policy and AD-AS Model2.5.3Fiscal Policy Lags2.5.4Automatic Stabilizers2.5.5IB Multiple Choice - Fiscal Policy
2.6

Monetary Policy

2.6.1Objectives of Monetary Policy2.6.2Monetary Policy Implementation2.6.3Monetary Policy & AD-AS Model2.6.4Monetary Policy Lags & Pitfalls
2.7

Supply-Side Policies

2.7.1Supply-Side Policies2.7.2Supply-Side Policies 2
3

The Global Economy

3.1

International Trade

3.1.1Globalisation3.1.2Globalisation for LEDCs3.1.3Globalisation for MEDCs3.1.4Comparative Advantage & Trade3.1.5Protectionism3.1.6Arguments for Protectionism3.1.7Arguments Against Protectionism3.1.8End of Topic Test - Globalisation & Trade3.1.9Case Study - Globalisation & Trade
3.2

Exchange Rates

3.2.1Floating Exchange Rates3.2.2Fixed Exchange Rate3.2.3Effect of a Stronger & Weaker Dollar
3.3

The Balance of Payments

3.3.1Balance of Payments3.3.2Balance of Payments 23.3.3FDI & Reducing a BoP Deficit
3.4

Economic Integration

3.4.1Customs Unions & WTO3.4.2Merged Currency
3.5

Terms of Trade

3.5.1Absolute & Comparative Advantage3.5.2Gains from Trade3.5.3Terms of Trade3.5.4IB Multiple Choice - Comparative Advantage & Trade
3.6

Economic Development

3.6.1Factors Influencing Growth & Development3.6.2International Institutions3.6.3Measures of Development3.6.4Barriers to Development3.6.5Case Study - The Bottom Billion3.6.6End of Topic Test - Emerging & Developing
3.7

The Role of Domestic & International Factors

3.7.1Interventionist Strategies3.7.2Development Strategies3.7.3Development Promotion Policies3.7.4End of Topic Test - Growth & Global Development3.7.5Application Questions -Growth & Global Development
3.8

The Role of International Trade

3.8.1International Institutions3.8.2End of Topic Test - Globalisation & Trade
3.9

The Role of Foreign Aid

3.9.1Aid3.9.2Limitations of Aid3.9.3Support for Aid3.9.4Application Questions - Developing Countries

Practice questions on The Circular Flow of Income

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    Which factor of production is paid for by wages?Multiple choice
  2. 2
    Which of the following are factors of production?True / false
  3. 3
    Who owns the factors of production that firms need to produce goods and services?Multiple choice
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Theory of the Firm & Market Structures

Defining GDP