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When the price of a commodity falls by 20 per cent, its demand rises from 400 units to 500 units. Calculate its price elasticity of demand |
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Answer» Solution :`Ed = (% "CHANGE in Quantity Damanded")/(%"Change in PRICE")` % change in Quantity Demanded `= (Q_(2) - Q)/(Q_(1)) 100` `= (500 - 400)/(400) xx 100` `= 25%` `Ed = (25)/(-20) = 1.25` |
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