Problem 1: Ralph advertises to sell cookies for Php 200 a dozen. He sells 75 dozen and decides that he can charge more. He raises the price to Php 300 a dozen and sells 45 dozen. What is the elasticity of demand?

Microeconomics: Private and Public Choice (MindTap Course List)
16th Edition
ISBN:9781305506893
Author:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Publisher:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Chapter7: Consumer Choice And Elasticity
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Problem 13CQ: Suppose Erin, the owner-manager of a local hotel projects the following demand for her rooms: a....
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Problem 1: Ralph advertises to sell cookies for Php 200 a dozen. He sells 75 dozen and decides that he can charge more. He raises the price to Php 300 a dozen and sells 45 dozen. What is the elasticity of demand?  

Problem 2: Last week, the price of envelopes was Php 150 a box, and Julie was willing to buy 10 boxes. Today, the price has gone up to Php 175 a box, and Julie is now willing to buy 8 boxes. What is Julie's elasticity of demand? Is Julie's demand for envelopes elastic or inelastic?

Problem 3: Given the demand schedule, solve for the price elasticity of Mango

Demand Schedule for Mango

Price

 (per kilo)

Quantity Demanded

(per truck)

Php 110.00

500

Php 90.00

1200

  1. What is the price elasticity coefficient of Mango?
  2. If you are a seller and wants to earn more revenue, what price should you set to maximize your income? Why?
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