Chapter 10: Problem 33
How is recession illustrated in an AD/AS model?
Short Answer
Expert verified
A recession is illustrated in the AD/AS model by a decrease in aggregate demand, resulting in a leftward shift of the AD curve. The new intersection of the AD and AS curves represents the new equilibrium, indicating lower real output (GDP), which signifies a recession. Factors contributing to this shift may include a decline in consumer confidence, tight monetary policy, fiscal contraction, or external shocks.
Step by step solution
01
Understand Aggregate Demand (AD) and Aggregate Supply (AS)
Aggregate Demand (AD) represents the total demand for goods and services within an economy at different price levels. The AD curve is downward sloping, which means that as the price level decreases, the quantity of goods and services demanded increases.
Aggregate Supply (AS) represents the total supply of goods and services produced within an economy at different price levels. The AS curve is upward sloping, showing that an increase in price levels leads to higher output.
In the AD/AS model, the intersection of the AD and AS curves determines the equilibrium output and price level in an economy.
02
Understand the concept of a recession in the AD/AS model
A recession in the AD/AS model is illustrated when there is a decrease in the aggregate demand, causing a shift of the AD curve to the left. This shift results in lower real output (GDP) and potentially lower price levels. The result is reduced production, increased unemployment, and lower overall income.
03
Identify the factors that can lead to a recession
There are several factors that can lead to a recession in an economy:
1. A decline in consumer confidence: If consumers are pessimistic about the future, they may decrease spending, leading to a drop in AD.
2. Tight monetary policy: If the central bank increases interest rates, borrowing and investment will typically decrease, causing a reduction in AD.
3. Fiscal contraction: If the government reduces its spending or increases taxes, this can result in a decline in AD.
4. External shocks: Events outside the economy, such as a financial crisis or commodity price shocks, can lead to a decrease in AD.
04
Illustrate a recession in the AD/AS model
To represent a recession in the AD/AS model, follow these steps:
1. Draw the initial AD and AS curves, labeling their intersection as point A (initial equilibrium).
2. Identify one or more factors causing a decrease in aggregate demand.
3. Shift the AD curve to the left to represent the decrease in aggregate demand.
4. Label the new intersection of the AD and AS curves as point B (new equilibrium).
5. Note the decrease in real output (GDP) from point A to point B, which indicates a recession.
In conclusion, a recession is illustrated in the AD/AS model by a decrease in aggregate demand, resulting in a leftward shift of the AD curve. This shift leads to a new equilibrium with lower real output, signifying a recession.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Aggregate Demand and Supply
Understanding the relationship between Aggregate Demand (AD) and Aggregate Supply (AS) is essential for analyzing economic conditions.
Aggregate Demand constitutes the total goods and services demanded across all price levels in the economy. It is depicted by a downward sloping curve—showing an inverse relationship between the price level and the quantity of goods and services demanded.
Aggregate Supply is the economy's total goods and services that producers are willing and able to supply at different price levels. The AS curve slopes upward because higher prices typically incentivize producers to increase output due to potential profitability increases.
Aggregate Demand constitutes the total goods and services demanded across all price levels in the economy. It is depicted by a downward sloping curve—showing an inverse relationship between the price level and the quantity of goods and services demanded.
Why does AD slope downwards?
This is because as prices fall, consumers can afford to purchase more, thus increasing demand. Conversely, when prices rise, consumers tend to buy less.Aggregate Supply is the economy's total goods and services that producers are willing and able to supply at different price levels. The AS curve slopes upward because higher prices typically incentivize producers to increase output due to potential profitability increases.
Factors Influencing AS
Production costs, resource availability, and technological advancements are factors that can shift the AS curve.Macroeconomic Equilibrium
Macroeconomic equilibrium occurs where Aggregate Demand equals Aggregate Supply—representing a balance between the economy's product output and the demand for those products. This intersection determines the equilibrium price level and the real GDP.
Equilibrium in Action
At this point, the economy is using its resources efficiently, and the amount of goods produced meets the market's demand. If AD exceeds AS, we may see inflation as too much money chases too few goods. If AS exceeds AD, unsold goods pile up, leading to potential cuts in production and employment.Economic Recession Factors
A recession manifests through a significant decline in economic activity across the economy, typically visible in GDP, income, employment, manufacturing, and retail sales.
Understanding factors that trigger a recession provides important insights.
Understanding factors that trigger a recession provides important insights.
What Causes a Recession?
Reduced consumer confidence can slow spending, tight monetary policies can increase borrowing costs, fiscal contraction from decreased government spending or increased taxes can lower demand, and external shocks like oil price spikes or financial crises can disrupt economic activities. These factors, singularly or in combination, reduce Aggregate Demand, fueling a recession's onset.Illustrating Economic Recession
The AD/AS model vividly illustrates economic recessions. A recession is evident when the Aggregate Demand curve shifts leftward. This shift points to a decrease in consumer spending, investments, and net exports—overall leading to less economic output.