a)price elasticity of demand b)the cross price elasticity of demand c) if the income rises by 5%, calculate the correspinding percentage change in demand. Is the good inferior or superior?

Economics:
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ISBN:9781285859460
Author:BOYES, William
Publisher:BOYES, William
Chapter20: Elasticity: Demand And Supply
Section: Chapter Questions
Problem 13E: Using the following equation for the demand for a good or service, calculate the price elasticity of...
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Given the demand function Q=500-3P-2PA+0.01Y
where P=20, PA=30 and Y=5000, find
a)price elasticity of demand
b)the cross price elasticity of demand
c) if the income rises by 5%, calculate the correspinding percentage change in demand. Is the good inferior or superior?

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