What happens to the AD curve when the economy is in the liquidity trap with a zero interest rate? Group of answer choices The AD curve becomes vertical. The AD curve becomes horizontal. The AD curve becomes upward-sloping. The AD curve becomes downward-sloping. The AD curve becomes U-shaped.
Question
What happens to the AD curve when the economy is in the liquidity trap with a zero interest rate? Group of answer choices
The AD curve becomes vertical.
The AD curve becomes horizontal.
The AD curve becomes upward-sloping.
The AD curve becomes downward-sloping.
The AD curve becomes U-shaped.
Solution
The AD curve becomes vertical.
Here's why:
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The liquidity trap is a situation where monetary policy becomes ineffective to stimulate the economy further because the nominal interest rate is near or equal to zero.
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In this situation, people prefer to hold cash rather than investing or spending because they expect that interest rates will not go any lower and there is no incentive for them to invest or spend.
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As a result, any increase in the money supply by the central bank will not lead to an increase in aggregate demand because people simply hold onto the extra cash.
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This means that changes in the money supply do not affect the interest rate or the level of output.
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Therefore, the Aggregate Demand (AD) curve, which shows the relationship between the overall price level and the quantity of output demanded, becomes vertical. This is because changes in the price level do not affect the level of output in the economy when it is in a liquidity trap.
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