Find the price elasticity of demand if the market price is of a barrel of oil changes from $10 to $20 and the demand changes from 1000m barrels to 900 barrels.

Essentials of Economics (MindTap Course List)
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ISBN:9781337091992
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter5: Elastic And Its Application
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1 Find the price elasticity of demand if the market price is of a barrel of oil changes from $10 to $20 and the demand changes from 1000m barrels to 900 barrels.

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