Which one of the following may lead to movement along the demand curve

Which one of the following may lead to movement along the demand curve of a commodity ?

[amp_mcq option1=”Change in its price” option2=”Change in price of the other commodities” option3=”Change in income of the consumer” option4=”Change in tastes and preferences of consumers” correct=”option1″]

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UPSC CDS-2 – 2021

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A movement along the demand curve of a commodity is caused solely by a change in the price of that commodity itself. The demand curve plots the relationship between the price of a good and the quantity demanded, assuming all other factors are held constant (ceteris paribus). When the price changes, there is a movement from one point to another along the same demand curve.

Change in the commodity’s own price causes movement along the demand curve.

Changes in other factors that affect demand, such as consumer income, price of other commodities (substitutes or complements), tastes and preferences, expectations, etc., cause a *shift* in the entire demand curve (either to the left or right).

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