# A+ SOLUTION including Elasticity of demand graph demostration - 87366

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Price elasticity of demand expresses the response of quantity demanded of a good to a change in its price, given the consumers income, his taste and prices of all other goods. In other words, it is measured as a percentage change in quantity demanded divided by the percentage change in price, other things being equal.

Ep = %change in quantity demanded / 5 change in price

= (Change in quantity/ Original quantity) * (Original Price / Change in price)

There are a number of factors which determines the price elasticity of demand. Some of them are discussed as follows –

1.      Price of the commodity: Ceteris Paribus (i.e. other things remaining unchanged) the demand for a commodity is inversely related with the price of a commodity. Thus as the price of a commodity increases the demand for the commodity also increases and vice versa.

2.      Price of Related goods: Related goods can be of two types –

(1) Complementary Goods

(2) Substitute Goods. ### Computer Science ### Mathematics ### Applied Science ### Humanities Tutor 