Suppose in a market, there is a change in the price of a good or service. Let’s call this Scenario A. Now, suppose in the same market, there is a change in the income and preferences of customers, or a change in the prices of other goods or services. Let’s call this Scenario B. From the options given below, choose the statement that correctly captures how changes in demand will occur in both of these scenarios. In Scenario A, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement observed along a fixed demand curve. In Scenario B, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve. In Scenario A, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve.In Scenario B, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement observed along a fixed demand curve.In Scenario A, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve. In Scenario B, there is no change observed in either the price or the demand.In Scenario A, there is no change observed in either the price or the demand.In Scenario B, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement along a fixed demand curve.
Question
Suppose in a market, there is a change in the price of a good or service. Let’s call this Scenario A. Now, suppose in the same market, there is a change in the income and preferences of customers, or a change in the prices of other goods or services. Let’s call this Scenario B. From the options given below, choose the statement that correctly captures how changes in demand will occur in both of these scenarios. In Scenario A, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement observed along a fixed demand curve. In Scenario B, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve. In Scenario A, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve.In Scenario B, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement observed along a fixed demand curve.In Scenario A, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve. In Scenario B, there is no change observed in either the price or the demand.In Scenario A, there is no change observed in either the price or the demand.In Scenario B, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement along a fixed demand curve.
Solution
The correct statement that captures how changes in demand will occur in both of these scenarios is:
"In Scenario A, the demand curve remains fixed, whereas the price and the quantity demanded shift to a different point on the same curve, i.e., we observe a movement observed along a fixed demand curve.
In Scenario B, the demand curve itself changes. There is a change in the quantity demanded at the same price, due to which the market shifts to an altogether different demand curve."
This is because in Scenario A, only the price of the good or service is changing, which results in a movement along the same demand curve (as the quantity demanded changes in response to the price change).
In Scenario B, factors other than price (such as income, preferences, or prices of other goods or services) are changing. These factors cause the entire demand curve to shift, as they affect the quantity demanded at all price levels.
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