The Formula for Price Elasticity of Demand That Is Used

question 106

Multiple Choice

The formula for price elasticity of demand that is used in practice

• A)usually drops all minus signs.
• B)usually takes on different values at different points on the demand curve.
• C)may calculate the percentage change in price between P? and P? as "(P? ? P?) as a percentage of (P?+ P?)/2." 
• D)All of the above are correct.

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