Using the midpoint formula, calculate elasticity for each of the following changes in demand.

Principles of Economics 2e
2nd Edition
ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter11: Monopoly And Antitrust Policy
Section: Chapter Questions
Problem 6SCQ: Urban transit systems, especially those with rail systems, typically experience significant...
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  Price1

Price2

Quantity 1 Quantity2  
demand for

 

       
a.cashews 7.50dollar per pound 6.00 dollar per pound 800 pounds per month 1,000 pounds per month 65 per year  

b.portable hard drive

(1 terabyte)

80 dollar 120 dollar 75 per year 65 per year  
c.12-gauge copper wire 0.60 per lineal foot 0.45 per lineal foot 2,5000 lineal feet per week 5,000 lineal feet per week   

d.Toothpaste

2.00 dollar per tube 2.40 dollar per tube 10 tubes per moth 9 tubes per month  

Using the midpoint formula, calculate elasticity for each of the following changes in demand.

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