Question 1

What causes cost-push inflation?

Accepted Answer

Cost-push inflation occurs when production costs increase, causing the overall price level to rise. For example, when global crude oil prices rise, businesses face higher transportation costs for moving factors of production to factories or delivering goods to markets. As production becomes more expensive, profit margins shrink at each price level, prompting businesses to reduce output and supply less aggregate output.

Question 2

How does the SRAS curve shift during cost-push inflation?

Accepted Answer

During cost-push inflation, the short-run aggregate supply curve (SRAS) shifts to the left. This occurs because higher production costs reduce the quantity of goods and services businesses are willing to supply at each price level. The leftward shift reflects that businesses produce less output when their costs rise, ultimately leading to lower equilibrium output and a higher price level in the economy.

Question 3

What does the AD-AS model show about cost-push inflation?

Accepted Answer

The AD-AS model illustrates cost-push inflation using aggregate demand and supply curves. The vertical axis represents the overall price level, while the horizontal axis shows real GDP or total output. When production costs increase, the SRAS curve shifts left, creating a new equilibrium with higher prices and lower output, visually demonstrating how cost-push inflation affects both price levels and economic output simultaneously.

Question 4

How do rising fuel prices trigger cost-push inflation?

Accepted Answer

Rising fuel prices increase transportation costs for businesses, affecting both production and distribution. When fuel becomes more expensive, moving factors of production to factories and goods to markets costs more. These higher transportation expenses reduce profit margins at each price level, causing businesses to decrease production and supply less output, which initiates the cost-push inflation process.

Question 5

What happens to equilibrium when cost-push inflation occurs?

Accepted Answer

When cost-push inflation occurs, the economy reaches a new equilibrium with two key changes: the overall price level rises and aggregate output falls. This happens because the SRAS curve shifts left due to increased production costs. The new equilibrium point reflects both the inflationary pressure from higher costs and the reduced quantity of goods and services the economy can produce.

Question 6

Why do businesses reduce production when costs rise?

Accepted Answer

Businesses reduce production when costs rise because higher production expenses shrink profit margins at each price level. When fuel, transportation, or other input costs increase, businesses earn less profit on each unit sold. To maintain profitability, they decrease the quantity of goods and services they are willing to supply, which is reflected in the leftward shift of the SRAS curve and contributes to cost-push inflation.

Question 7

How does cost-push inflation relate to unemployment and inflation concerns?

Accepted Answer

Cost-push inflation represents a supply-side shock that raises prices while reducing output, creating economic challenges. Understanding cost-push inflation is essential for grasping broader macroeconomic dynamics, particularly how inflation and unemployment interact. This relationship is central to understanding why policymakers must consider both price stability and employment when responding to economic shocks.

コストプッシュ・インフレーション II

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