Nile.com, the online bookseller, wants to increase its total revenue. One strategy is to offer a 10% discount on every book it sells. Nile.com knows that its customers can be divided into two distinct groups according to their likely responses to the discount. The accompanying table shows how the two groups respond to the discount.   Group A Group B (sales per week) (sales per week)   Volume of sales before the 10% discount  1.55 million 1.50 million   Volume of sales after the 10% discount 1.65 million 1.70 million Using the midpoint method, calculate the price elasticities of demand for group A and group B.

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
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ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
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Chapter3: Demand Analysis
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Nile.com, the online bookseller, wants to increase its total revenue. One strategy is to offer a 10% discount on every book it sells. Nile.com knows that its customers can be divided into two distinct groups according to their likely responses to the discount. The accompanying table shows how the two groups respond to the discount.

 

Group A Group B

(sales per week) (sales per week)

 

Volume of sales before

the 10% discount  1.55 million 1.50 million

 

Volume of sales after

the 10% discount 1.65 million 1.70 million

Using the midpoint method, calculate the price elasticities of demand for group A and group B.

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