Write a detailed answer for each question, relevant explanation regarding each question is compulsory. Pharmacies raise the price of insulin by 10%.  Does total expenditure on insulin rise or fall? As a result of a fare war, the price of a luxury cruise falls 20%. Does luxury cruise companies’ total revenue rise or fall?

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter6: Elasticities
Section: Chapter Questions
Problem 15P
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Write a detailed answer for each question, relevant explanation regarding each question is compulsory.

  1. Pharmacies raise the price of insulin by 10%. 
  • Does total expenditure on insulin rise or fall?
  1. As a result of a fare war, the price of a luxury cruise falls 20%.
    • Does luxury cruise companies’ total revenue rise or fall?
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