Pearson Edexcel · A-Level · Economics B
Course version: 9EB0 · Version from Sept 2015
The economic cycle: a) Understanding of the economic cycle
The economic cycle, or business cycle, describes the natural fluctuation of an economy between periods of expansion and contraction over time, measured by changes in real Gross Domestic Product (GDP).
Checked against the Pearson Edexcel 9EB0 specification (opens in a new tab) on .
- Point 1 of 3
- 3 key terms
Study notes
From the checked teaching notes for this specification point.
The idea
The economic cycle, or business cycle, describes the natural fluctuation of an economy between periods of expansion and contraction over time, measured by changes in real Gross Domestic Product (GDP). The cycle consists of four main phases: boom, recession, slump (or trough), and recovery. A long-term trend line represents the underlying potential growth rate. For example, during a recovery, real GDP rises, leading to increased employment and consumer spending, eventually peaking in a boom. Understanding this cycle helps businesses plan investments and governments apply appropriate macroeconomic policies, such as adjusting interest rates, to smooth out extreme fluctuations and maintain stable economic growth.
What earns the marks
- Definition of the economic cycle as fluctuations in real GDP around the long-term trend.
- Identification of the four phases: boom, recession, slump, and recovery.
- Recognition that the long-term trend line represents potential economic growth.
- Understanding that actual growth can be above or below the trend line, creating positive or negative output gaps.
Common mistakes and how to put them right
Confusing the economic cycle with the product life cycle.
Put it right: The economic cycle refers to macroeconomic fluctuations in real GDP, not the sales of a single product.
Assuming the long-term trend line is always flat.
Put it right: The trend line usually slopes upward to reflect long-term economic growth and increased productive capacity.
Believing that a recession is just a slowdown in growth.
Put it right: A recession is technically defined as two consecutive quarters of negative economic growth (falling real GDP).
Exam tips
- Be prepared to interpret a diagram of the economic cycle, identifying specific phases from the shape of the curve.
- Remember the technical definition of a recession (two consecutive quarters of negative growth) for multiple-choice questions.
- Link the phases of the economic cycle to changes in macroeconomic indicators like unemployment and inflation.
Try the lesson
The start of the The economic cycle: a) Understanding of the economic cycle lesson, made from checked teaching notes for this specification point.
Have a go first
How is a recession typically defined in the context of the economic cycle?
Listen
The economic cycle, or business cycle, describes the natural fluctuation of an economy between periods of expansion and contraction over time, measured by changes in real Gross Domestic Product (GDP). The cycle consists of four main phases: boom, recession, slump (or trough), and recovery. A long-term trend line represents the underlying potential growth rate. For example, during a recovery, real GDP rises, leading to increased employment and consumer spending, eventually peaking in a boom. Understanding this cycle helps businesses plan investments and governments apply appropriate macroeconomic policies, such as adjusting interest rates, to smooth out extreme fluctuations and maintain stable economic growth. A strong answer earns marks for these points. Definition of the economic cycle as fluctuations in real GDP around the long-term trend. Identification of the four phases: boom, recession, slump, and recovery. Recognition that the long-term trend line represents potential economic growth. Understanding that actual growth can be above or below the trend line, creating positive or negative output gaps. Exam tip: Be prepared to interpret a diagram of the economic cycle, identifying specific phases from the shape of the curve.
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Key words
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Economic cycle
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Economic growth
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Output gaps
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See every definition
- Economic cycle
- The natural fluctuation of an economy between periods of expansion and contraction over time, measured by changes in real Gross Domestic Product (GDP).
- Economic growth
- A rise in real GDP, as seen during a recovery, which leads to increased employment and consumer spending.
- Output gaps
- Positive or negative gaps created when actual growth is above or below the long-term trend line.
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