Calculate the price elasticities of demand for group A and group B. Explain how the discount will affect total revenue from each group. Suppose Bookshelf.com knows which group each customer belongs to when he logs on and can choose whether or not to offer the 10% discount. If Bookshelf.com wants to increase its total revenue, should discounts be offered to group A or to group B, to neither group, or to both groups

Microeconomics: Private and Public Choice (MindTap Course List)
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Q1) Bookshelf.com, the online bookseller, wants to increase its total revenue. One strategy is to offer a 10% discount on every book it sells. Bookshelf.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 (sales per week)

Group B (sales per week)

Volume of sales before the 20% discount

3.1 million

3.0 million

Volume of sales after the 20% discount

3.3 million

3.4 million

  1. Calculate the price elasticities of demand for group A and group B.
  2. Explain how the discount will affect total revenue from each group.
  3. Suppose Bookshelf.com knows which group each customer belongs to when he logs on and can choose whether or not to offer the 10% discount. If Bookshelf.com wants to increase its total revenue, should discounts be offered to group A or to group B, to neither group, or to both groups?
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