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The Daily Insight

What does it mean if the cross price elasticity of demand is 1?

Author

Henry Morales

Published Feb 19, 2026

unitary
If the value of the cross elasticity of demand is 1, the cross elasticity of demand is unitary, this means that a change in price of good A results in an exactly proportionate change in quantity demanded for good B.

What does the cross elasticity of demand measure?

The cross elasticity of demand is an economic concept that measures the responsiveness in the quantity demanded of one good when the price for another good changes.

How do you calculate cross price elasticity of demand?

In the case of cross-price elasticity of demand, we are interested in the elasticity of quantity demand with respect to the other firm’s price P’. Thus we can use the following equation: Cross-price elasticity of demand = (dQ / dP’)*(P’/Q)

At what price is the elasticity of demand equal to 1?

If the elasticity coefficient is equal to one, demand is unitarily elastic as shown in Figure 3. For example, a 10% quantity change divided by a 10% price change is one. This means that a 1% change in quantity occurs for every 1% change in price.

What is the formula of cross elasticity?

Cross elasticity (Exy) tells us the relationship between two products. it measures the sensitivity of quantity demand change of product X to a change in the price of product Y. Price elasticity formula: Exy = percentage change in Quantity demanded of X / percentage change in Price of Y..

What happens when cross price elasticity is zero?

Independent goods have a cross-price elasticity of zero: as the price of one good increases, the demand for the second good is unchanged.

How do you calculate yed?

The formula for calculating income elasticity of demand is the percent change in quantity demanded divided by the percent change in income. With income elasticity of demand, you can tell if a particular good represents a necessity or a luxury.

What happens to the demand when the price increases from $10 to $25?

1. What happens to the quantity demanded when the price increases from $10 to $25? The quantity demanded decreases from 200 to 100.