In: Economics
A firm wants to increase the quantity of the product it sells by 5%. If the price elasticity of demand is -2.5, the company must
price elasticity of demand = % change in quantity / % change in price
=> -2.5 = 5/% change in price
=> % change in price = 5/-2.5 = -2
Thus, the answer is (b) decrease price by 2%