Microeconomics
21st Edition
ISBN: 9781259915727
Author: Campbell R. McConnell, Stanley L. Brue, Sean Masaki Flynn Dr.
Publisher: McGraw-Hill Education
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Chapter 6, Problem 5P
What is the formula for measuring the
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If an increase in price from $1 to $2 causes a decrease in quantity demanded from 120 to 100, calculate the price elasticity of demand by using
the midpoint method.
O 1.2
O 1.3
O 0.27
O 0.5
It is observed in a grocery store that when the price of apple (the fruit... not the cellphone) is $2 per
pound, the sale is 20 pounds; when the price increases to $3 per pound, the sale decreases to 15
pounds. Using the Midpoint Method, we can calculate apple's price elasticity of demand is
(drop the minus sign)
0.2
O 1.4
0.71
Price falls from $8.50 to $7.75, and the quantity demanded rises from 900 units to
970 units. What is the approximate coefficient of price elasticity of demand (Ed)
between these two prices?
0.64
1.00
1.23
O 1.44
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Chapter 6 Solutions
Microeconomics
Ch. 6 - Explain why the choice between 1, 2, 3, 4, 5, 6,...Ch. 6 - Prob. 2DQCh. 6 - The income elasticities of demand for movies,...Ch. 6 - Research has found that an increase in the price...Ch. 6 - Prob. 5DQCh. 6 - Suppose that the total revenue received by a...Ch. 6 - Suppose that the total revenue received by a...Ch. 6 - Calculate total-revenue data from the demand...Ch. 6 - Prob. 4RQCh. 6 - 5. In 2006, Willem de Kooning’s abstract painting...
Ch. 6 - Suppose the cross elasticity of demand for...Ch. 6 - Look at the demand curve in Figure 6.2a. Use the...Ch. 6 - Prob. 2PCh. 6 - Graph the accompanying demand data, and then use...Ch. 6 - Danny Dimes Donahue is a neighborhoods 9-year-old...Ch. 6 - What is the formula for measuring the price...Ch. 6 - ADVANCED ANALYSIS Currently, at a price of 1 each,...Ch. 6 - Prob. 7P
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- (Calculating Price Elasticity of Demand) Suppose that 50 units of a good are demanded at a price of Si per unit. A reduction in price to $0.20 results in an increase in quantity demanded to 70 units. Using the midpoint formula, show that these data yield a price elasticity of 0.25. By what percentage would a 10 percent rise in the price reduce the quantity demanded, assuming price elasticity remains constant along the demand curve?arrow_forwardSuppose you learned that the price elasticity of demand for wheat is 0.7 between the current price for wheat and a price 2 higher per bushel. Do you think that farmers collectively would try to reduce the supply of wheat and drive the price up 2 higher per bushel? Explain your answer. Assuming that they would try to reduce supply, what problems might they have in actually doing so?arrow_forwardThe Stopdecay Company sells an electric toothbrush for $25. Its sales have averaged 8,000 units per month over the past year. Recently, its closest competitor, Decayfigh ter, reduced the price of its electric toothbrush from $35 to $30. As a result, Stopde cays sales declined by 1,500 units per month. What is the arc cross elasticity of demand between Stopdecays toothbrush and Decayfighters toothbrush? What does this indicate about the relationship between the two products? If Stopdecay knows that the arc price elasticity of demand for its toothbrush is 1.5, what price would Stopdecay have to charge to sell the same number of units as it did before the Decayfighter price cut? Assume that Decayfighter holds the price of its toothbrush constant at $30. What is Stopdecays average monthly total revenue from the sale of electric toothbrushes before and after the price change determined in part (b)? Is the result in part (c) necessarily desirable? What other factors would have to be taken into consideration?arrow_forward
- Suppose you are in change of sales at a pharmaceutical company, and your firm has a new drug that causes bald men to grow hair. Assume that the company wants to earn as much revenue as possible from this drug. If the elasticity of demand for your companys product at the current price is 1.4, would you advise the company to raise the price, lower the price, or to keep the price the same? What if the elasticity were 0.6? What if it were 1? Explain your answer.arrow_forward(Price Elasticity of Supply) Calculate the price elasticity of supply for each of the following combinations of price and quantity supplied. In each case, determine whether supply is elastic, inelastic, perfectly elastic, perfectly inelastic, or unit elastic. a. Price falls from $2.25 to $1.75; quantity supplied falls from 600 units to 400 units. b. Price falls from $2.25 to $1.75; quantity supplied falls from 600 units to 500 units. c. Price falls from $2.25 to $1.75; quantity supplied remains at 600 units. d. Price increases from $1.75 to $2.25, quantity supplied increases from 466.67 units to 600 units.arrow_forwardSuppose that your demand schedule for DVDs is as follows: Price Quantity Demanded (income = 10,000) Quantity Demanded (income = 12,000) 8 40 DVDs 50 DVDs 10 32 45 12 24 30 14 16 20 16 8 12 a. Use the midpoint method to calculate your price elasticity of demand as the price of DVDs increases from 8 to 10 if (i) your income is 10,000 and (ii) your income is 12,000. b. Calculate your income elasticity of demand as your income increases from 10,000 to 12,000 if (i) the price is 12 and (ii) the price is 16.arrow_forward
- Assume that a decrease of 10 percent in the price of cars results in an increase of 30 percent in quantity demanded, then the price elasticity of demand is 3 O 0.5 O 1 O 0.333arrow_forwardC) You sell two different goods: printers and toner cartridges. The price elasticity of demand for the printers is -3.4, and you earn a revenue of RM15,000 per month from the good. You earn a revenue of RM5,000 per month from the toner cartridges. The cross-price elasticity of demand for both of the goods is -2.5 if you decide to decrease the price of the printers by 5%, calculate your new total revenues for both of the goods.arrow_forwardIf the price of Moonlight massage oil decreases from $3 to $2.50 and, as a result, total revenue increases from $6,000 to $7,500, what is the elasticity of demand. O 22. O 1.22. O 0.55. O 1.67. O 0.22.arrow_forward
- In this question, you'll have to solve for price elasticity of demand using the percent change formula. When the old price of a food package was $4.64 per package, the old quantity was 1,081 packages were sold each day. After the price increased to the new price $10.89 per package, sales dropped to a new quantity of 447 packages per day. Using these numbers, what is the price elasticity of demand for food packages? Round your answer to 3 decimal places.arrow_forwardFor a certain good, when the good's price falls from $12 to $10, its quantity demanded rises from 10 to 12 units. The price elasticity of demand here is O 2.55. 0.66. O 0.39. O 0.20. 1.00arrow_forwardDuring the Covid-19 pandemic that hits the world, the demand for personal computers and laptops has increased significantly due to online learning. One of the popular brands is Lenovo. The monthly supply of Lenovo laptops is given by the equation QS = 15,000 + 43.75P. If the current price for Lenovo laptops is $800, what is the price elasticity of supply for this brand? O a. 0.7 O b. 0.9 O c. 0.75 O d. No correct answers.arrow_forward
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