2.1.6
Output Gaps
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Output Gaps
An output gap is present when there is a difference between the actual level of real GDP in an economy and the potential level of real GDP (when all factors of production are fully employed).

Negative output gap
- A negative output gap is defined as: “when the actual level of real GDP is less than the potential underlying level of real GDP”.
- Negative output gaps means there is 'spare capacity'. So there will be unemployment (demand-deficient), and demand-pull inflationary pressure will be low because there are lots of resources and factors of production not being used.

Positive output gap
- A positive output gap is defined as: “when the actual level of real GDP is greater than the potential underlying level of real GDP”.
- Positive output gaps mean that an economy is temporarily producing beyond its productive potential. This is only possible for a short time, and leads to workers being paid overtime, and workers and machines being over-used. This causes inflationary pressure as wages and costs rise.

The implications of potential output
- Potential output represents the productive capacity of the economy.
- When an economy is producing it's potential output, unemployment equals the natural rate of unemployment ("NRU").
- This level of unemployment will fluctuate during the business cycle largely due to cyclical unemployment:
- During a boom, unemployment will be lower than the NRU.
- During a recession, unemployment will be higher than the NRU.
1Microeconomics
1.1Competitive Markets: Demand & Suply
1.2Elasticity
1.3Government Intervention
1.4Market 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
1.5HL: Theory of the Firm & Market Structures
2Macroeconomics
2.1The Level of Overall Economic Activity
2.2Aggregate 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
2.3Macroeconomic 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
2.4Economic Growth, Poverty & Inequality
2.5Fiscal Policy
2.6Monetary Policy
2.7Supply-Side Policies
3The Global Economy
3.1International Trade
3.2Exchange Rates
3.3The Balance of Payments
3.4Economic Integration
3.5Terms of Trade
3.6Economic Development
3.7The Role of Domestic & International Factors
3.8The Role of International Trade
3.9The Role of Foreign Aid
Jump to other topics
1Microeconomics
1.1Competitive Markets: Demand & Suply
1.2Elasticity
1.3Government Intervention
1.4Market 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
1.5HL: Theory of the Firm & Market Structures
2Macroeconomics
2.1The Level of Overall Economic Activity
2.2Aggregate 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
2.3Macroeconomic 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
2.4Economic Growth, Poverty & Inequality
2.5Fiscal Policy
2.6Monetary Policy
2.7Supply-Side Policies
3The Global Economy
3.1International Trade
3.2Exchange Rates
3.3The Balance of Payments
3.4Economic Integration
3.5Terms of Trade
3.6Economic Development
3.7The Role of Domestic & International Factors
3.8The Role of International Trade
3.9The Role of Foreign Aid
Practice questions on Output Gaps
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- 1What are the features of a positive output gap?True / false
- 2
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