Essentials of Economics (MindTap Course List)
Essentials of Economics (MindTap Course List)
8th Edition
ISBN: 9781337091992
Author: N. Gregory Mankiw
Publisher: Cengage Learning
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Chapter 5, Problem 3PA

Suppose the price elasticity of demand for heating oil is 02. in the short run and 0.7 in the long run.

  a.    If the price of heating oil rises from $1.80 to $2.20 per gallon, what happens to the quantity of heating oil demanded in the short run? In the long run? (Use the midpoint method in your calculations.)

  b.    Why might this elasticity depend on the time horizon?

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Price Elasticity of Supply; Author: Economics Online;https://www.youtube.com/watch?v=4bDIm3j-7is;License: Standard youtube license