Microeconomics: Principles, Applications, and Tools (8th Edition)

Published by Prentice Hall
ISBN 10: 0-13294-886-9
ISBN 13: 978-0-13294-886-9

Chapter 5 - Elasticity: A Measure of Responsiveness - Exercises - 5.2 Using Price Elasticity - Page 121: 2.8

Answer

30%

Work Step by Step

$\Delta\ qty=\Delta\ price\times E_d$ $39=\Delta\ price\times1.3$ $39\div1.3=\Delta\ price\times1.3\div1.3$ $30=\Delta\ price$
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