**The point method of measuring the elasticity of Demand**

**Professor Marshall devised a**

**geometrical method for measuring elasticity**at a point on the demand curve. This method is used when the demand curve is linear. The following formula is used to calculate the elasticity under point method:

With the help of the point method, it is easy to point out the elasticity at any point along a linear demand curve. It can be explained by the help of the following figure

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