HomeFinance & EconomicsEconomicsWhat is Price Elasticity of Demand?
Finance & Economics·2 min·Updated Mar 11, 2026

What is Price Elasticity of Demand?

Price Elasticity of Demand

Quick Answer

This concept measures how much the quantity demanded of a good changes when its price changes. A product is considered elastic if a small price change leads to a large change in demand.

Overview

Price elasticity of demand is a measure used in economics to show how the quantity demanded of a good or service changes in response to a change in its price. If a product has high elasticity, consumers will buy significantly less of it if the price rises, and they will buy much more if the price drops. Conversely, if a product has low elasticity, price changes will have little effect on the quantity demanded. Understanding price elasticity helps businesses and governments make informed decisions. For example, if a company knows that its product is highly elastic, it may avoid raising prices, as doing so could lead to a steep decline in sales. On the other hand, if a product is inelastic, like essential medications, the company might feel more comfortable increasing prices without losing many customers. Price elasticity of demand also plays a crucial role in taxation and public policy. For instance, if a government wants to impose a tax on a product, it needs to consider how that tax will affect demand. A high tax on an elastic good could lead to a significant drop in sales, while a tax on an inelastic good might not change consumer behavior much, ensuring steady tax revenue.


Frequently Asked Questions

Several factors influence price elasticity, including the availability of substitutes, the necessity of the product, and consumer preferences. Products with many substitutes tend to be more elastic, while necessities are often inelastic.
Businesses can use this concept to set pricing strategies that maximize revenue. By understanding how sensitive their customers are to price changes, they can make informed decisions about raising or lowering prices.
An example of a product with high price elasticity is luxury goods, like designer handbags. If the price of these handbags increases significantly, many consumers may choose not to buy them, opting instead for less expensive alternatives.