One can gain insight by manipulating the price elasticity of the demand equation.  The information provided below, demonstrate what happens in the specific markets. a.) Suppose there is a technological change that allows manufacturers to make Android smartphones much more cheaply. In fact, the retail price falls by 15%, ceteris paribus. i) If the price elasticity of demand is -0.7, how much does the quantity demanded change? ii) Are the producers definitely better off or worse off?

ECON MICRO
5th Edition
ISBN:9781337000536
Author:William A. McEachern
Publisher:William A. McEachern
Chapter5: Elasticity Of Demand And Supply
Section: Chapter Questions
Problem 1.1P: (Calculating Price Elasticity of Demand) Suppose that 50 units of a good are demanded at a price of...
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One can gain insight by manipulating the price elasticity of the demand equation.  The information provided below, demonstrate what happens in the specific markets.

a.) Suppose there is a technological change that allows manufacturers to make Android smartphones much more cheaply. In fact, the retail price falls by 15%, ceteris paribus.

i) If the price elasticity of demand is -0.7, how much does the quantity demanded change?

ii) Are the producers definitely better off or worse off?

 

b.) In an alternative scenario, ceteris paribus, suppose there is a new tax on data usage. The cum-tax monthly bill increases by 25%.

i) If the price elasticity of demand is -0.33, how much does the quantity demanded change?

ii) Do the data plan providers earn more revenue or less revenue?

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