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 1 - Introduction: What Is Economics? - Exercises - 1.1 What is Economics?: 1.4e

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Changes in teachers' salaries can be verified with factual data.
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