Suppose John, the owner-manager of a local hotel, projects the following demand for his rooms: Price ($) Quantity Purchased (per Night)       Total Revenue  90 100                                                                                             110  90                                                                                                130 70                                                                                                             (a)Calculate the price elasticity of demand between $90 and $110. (Use the midpoint formula)                                                                                                                         (b)Is the price elasticity of demand between $90 and $110 elastic, unit elastic, or inelastic?                                                                 (c)Will John’s total revenue rise if he increases the price from $90 to $110?                                               (d)Calculate the price elasticity of demand between $110 and $130.                                           (e)Is the price elasticity of demand between $110 and $130 elastic, unit elastic, or inelastic?                                                         (f)Will John’s total revenue rise if he increases the price from $110 to $130?

Principles of Microeconomics
7th Edition
ISBN:9781305156050
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter5: Elastic And Its Application
Section: Chapter Questions
Problem 6PA: Suppose that your demand schedule for DVDs is as follows: Price Quantity Demanded (income = 10,000)...
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  1. Suppose John, the owner-manager of a local hotel, projects the following demand for his rooms:

Price ($)

Quantity Purchased (per Night)       Total Revenue

 90

100                                                                                            

110

 90                                                                                               

130

70                                                                                                   

         (a)Calculate the price elasticity of demand between $90 and $110. (Use the midpoint formula)                            

                                                                                  

         (b)Is the price elasticity of demand between $90 and $110 elastic, unit elastic, or inelastic?                                                     

 

         (c)Will John’s total revenue rise if he increases the price from $90 to $110?    

                                

         (d)Calculate the price elasticity of demand between $110 and $130.                               

 

         (e)Is the price elasticity of demand between $110 and $130 elastic, unit elastic, or inelastic?                                 

             

         (f)Will John’s total revenue rise if he increases the price from $110 to $130?   

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