# When the price of Product Z is decreased from SR20 to SR 10 the quantity demanded increases from...

## Question:

When the price of Product Z is decreased from SR20 to SR 10 the quantity demanded increases from 100 units to 150 units .

A. Write the Formula for Price Elasticity of Demand

B. Calculate the price elasticity of demand for product Z?

D. Name a Product that you think will have this Price Elasticity?

## The Price Elasticity of Demand:

The price elasticity of demand for a good or service is a measure of how the consumers respond to changes in the price of the product. It is calculated by dividing the percentage change in the quantity demanded of the product to the percentage change in the price of the product. The demand can either be elastic, inelastic or unitary elastic.

#### Question A).

Write the Formula for Price Elasticity of Demand

The formula for the price elasticity of demand is given by:

{eq}E_d = \displaystyle...

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