Suppose retailers discover that the elasticity of demand for heart medicine is -0.2. Suppose a shortage of a key ingredient increases the price of heart medicine by 15%. By what percentage should retailers expect sales of heart medicine to change? (Type your answer as a one or two digit number. Use a" sign if the answer is negative. Do not use a "+" sign or a "%" sign.)

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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Suppose retailers discover that the elasticity of demand for heart medicine is -0.2. Suppose a shortage of a key ingredient increases the price of heart medicine by 15%. By what percentage should retailers expect sales of heart medicine to change? (Type your answer as a one or two digit number. Use a "-" sign if the answer is negative. Do not use a "+" sign or a "%" sign.)
Transcribed Image Text:Suppose retailers discover that the elasticity of demand for heart medicine is -0.2. Suppose a shortage of a key ingredient increases the price of heart medicine by 15%. By what percentage should retailers expect sales of heart medicine to change? (Type your answer as a one or two digit number. Use a "-" sign if the answer is negative. Do not use a "+" sign or a "%" sign.)
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here we calculate the change in quantity by using the elasticity of demand for heart medicine which are as follow- 

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