The Aggregate Demand Curve

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Aggregate Demand (AD)

AD is equal to the sum of net exports, consumption, investment and government spending at a given price level.

Aggregate Demand

Aggregate Demand (AD) = Consumption (C) + Investment (I) + Government Spending (G) + Net Trade/Exports-Imports (X-M).
Arguably, consumption is the most important component of the aggregate demand curve.

Aggregate demand curve

The AD curve is downward sloping.
Consumption will fall as the price level rises - a movement (not a shift) along the AD curve.

Microeconomics

1.1

Competitive Markets: Demand & Suply

1.1.1Markets & Demand 1.1.2Diminishing Marginal Returns 1.1.3Supply 1.1.4Market Equilibrium 1.1.5Price Mechanism 1.1.6Consumer & Producer Surplus 1.1.7IB Multiple Choice - Demand 1.1.8IB Multiple Choice - Supply

1.2

Elasticity

1.2.1Elasticities of Demand 1.2.2Factors Affecting Price Elasticity of Demand 1.2.3Elasticity of Supply 1.2.4Price Elasticity of Supply 1.2.5IB Multiple Choice - Price Elasticity of Demand 1.2.6IB Multiple Choice - Price Elasticity of Supply 1.2.7IB Multiple Choice - Other Elasticities

1.3

Government Intervention

1.3.1Indirect Taxes & Subsidies 1.3.2Application Question - Taxing Prices or Quantities 1.3.3Subsidies & Price Controls 1.3.4Deadweight Loss & Government Intervention 1.3.5Elasticity & Tax Incidence 1.3.6IB Multiple Choice - Government Intervention

1.4

Market Failure

1.4.1Types of Market Failure 1.4.2Introduction to Externalities 1.4.3Negative Externalities 1.4.4Policy for Negative Externalities 1.4.5Positive Externalities 1.4.6The Deadweight Welfare Loss of Externalities 1.4.7Case Study - The Externalities of Education 1.4.8Public Goods & the Free-Rider Problem 1.4.9Asymmetric Information 1.4.10End of Topic Test - Market Failure 1.4.11Application Questions - Market Failure

1.5

HL: Theory of the Firm & Market Structures

1.5.1Theory of the Firm & Market Structures

Macroeconomics

2.1

The Level of Overall Economic Activity

2.1.1The Circular Flow of Income 2.1.2Defining GDP 2.1.3Limitations of GDP 2.1.4IB Multiple Choice - Economic Indicators 2.1.5Business Cycles 2.1.6Output Gaps

2.2

Aggregate Demand & Aggregate Supply

2.2.1The Aggregate Demand Curve 2.2.2Components of Aggregate Demand 2.2.3Shape of the Aggregate Demand Curve 2.2.4Shifts in Aggregate Demand 2.2.5IB Multiple Choice - Aggregate Demand 2.2.6Short & Long-Run Aggregate Supply 2.2.7Alternative Models of LRAS 2.2.8Equilibrium in the AD-AS Model 2.2.9Output Gaps & the AD-AS Model

2.3

Macroeconomic Objectives

2.3.1Introduction to Unemployment 2.3.2Limitations of Unemployment 2.3.3Types of Unemployment 2.3.4Causes & Impact of Unemployment 2.3.5Defining Inflation 2.3.6Measuring Inflation 2.3.7Use of Index Numbers 2.3.8The Consumer Price Index 2.3.9Consequences of Inflation 2.3.10Causes of Inflation 2.3.11Inflation & Unemployment Tradeoff 2.3.12The Short-Run Phillips Curve 2.3.13The Long-Run Phillips Curve

2.4

Economic Growth, Poverty & Inequality

2.4.1Measuring Economic Growth 2.4.2Determinants of Productivity 2.4.3Economic Growth & Productivity 2.4.4Absolute & Relative Poverty 2.4.5Inequality 2.4.6Inequality 2 2.4.7Lorenz Curve 2.4.8Government Policy on Poverty 2.4.9End of Topic Test - Poverty & Inequality 2.4.10Application - Inequality & Poverty

2.5

Fiscal Policy

2.5.1Introduction to Fiscal Policy 2.5.2Fiscal Policy and AD-AS Model 2.5.3Fiscal Policy Lags 2.5.4Automatic Stabilizers 2.5.5IB Multiple Choice - Fiscal Policy

2.6

Monetary Policy

2.6.1Objectives of Monetary Policy 2.6.2Monetary Policy Implementation 2.6.3Monetary Policy & AD-AS Model 2.6.4Monetary Policy Lags & Pitfalls

2.7

Supply-Side Policies

2.7.1Supply-Side Policies 2.7.2Supply-Side Policies 2

The Global Economy

3.1

International Trade

3.1.1Globalisation 3.1.2Globalisation for LEDCs 3.1.3Globalisation for MEDCs 3.1.4Comparative Advantage & Trade 3.1.5Protectionism 3.1.6Arguments for Protectionism 3.1.7Arguments Against Protectionism 3.1.8End of Topic Test - Globalisation & Trade 3.1.9Case Study - Globalisation & Trade

3.2

Exchange Rates

3.2.1Floating Exchange Rates 3.2.2Fixed Exchange Rate 3.2.3Effect of a Stronger & Weaker Dollar

3.3

The Balance of Payments

3.3.1Balance of Payments 3.3.2Balance of Payments 2 3.3.3FDI & Reducing a BoP Deficit

3.4

Economic Integration

3.4.1Customs Unions & WTO 3.4.2Merged Currency

3.5

Terms of Trade

3.5.1Absolute & Comparative Advantage 3.5.2Gains from Trade 3.5.3Terms of Trade 3.5.4IB Multiple Choice - Comparative Advantage & Trade

3.6

Economic Development

3.6.1Factors Influencing Growth & Development 3.6.2International Institutions 3.6.3Measures of Development 3.6.4Barriers to Development 3.6.5Case Study - The Bottom Billion 3.6.6End of Topic Test - Emerging & Developing

3.7

The Role of Domestic & International Factors

3.7.1Interventionist Strategies 3.7.2Development Strategies 3.7.3Development Promotion Policies 3.7.4End of Topic Test - Growth & Global Development 3.7.5Application Questions -Growth & Global Development

3.8

The Role of International Trade

3.8.1International Institutions 3.8.2End of Topic Test - Globalisation & Trade

3.9

The Role of Foreign Aid

3.9.1Aid 3.9.2Limitations of Aid 3.9.3Support for Aid 3.9.4Application Questions - Developing Countries

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