Law of Demand - Economy UPSC notes

Law of Demand: As the price of a good or service increases, the quantity demanded decreases all other factors being equal.

 The Law of Demand is a fundamental principle in economics that states:

  • As the price of a good or service increases, the quantity demanded decreases all other factors being equal.
  • Conversely, as the price of a good or service decreases, the quantity demanded increases, assuming all other factors remain unchanged.

This negative or inverse relationship between price and quantity demanded is illustrated by the downward-sloping demand curve in a typical demand-supply graph.

Explanation:

  1. Substitution Effect: When the price of a good rises, consumers may substitute it with a similar but cheaper alternative. For example, if the price of coffee increases, consumers might switch to tea, thus reducing the demand for coffee.

  2. Income Effect: When the price of a good rises, consumers' purchasing power decreases. As a result, they may buy less of the good because they cannot afford as much of it. For example, if the price of a car increases, people might decide to delay purchasing a new car or choose a less expensive model.

The Law of Demand is a key concept in understanding consumer behavior and the functioning of markets, helping explain why demand for products generally decreases when their prices rise, all else being equal.

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