EBK ECONOMICS
13th Edition
ISBN: 8220106799642
Author: PARKIN
Publisher: PEARSON
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Chapter 13, Problem 11APA
To determine
Natural monopolies and the legal monopolies with the power to price discriminate.
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Question 5: Jimmy has a room that overlooks, from some distance, a major league baseball stadium. He decides to
rent a telescope for $50 a week and charge his friends and classmates to use it to peep at the game for 30 seconds. He
can act as a monopolist for renting out "peeps". For each person who takes a 30 second peep, it costs Jimmy $.20 to
clean the eyepiece. Jimmy believes he has the following demand for his service:
Price of
a Peep
$1.20
Quantity
of peeps demanded
1.00
90
100
150
200
250
300
70
60
50
350
40
30
400
450
20
10
500
550
a) For each price, calculate the total revenue from selling peeps and themarginal revenue per
peep.
Price
Quantity
TR
MR
$1.20
100
90
100
150
200
70
250
60
300
350
50
40
30
400
450
20
500
10
550
b) At what quantity will Jimmy's profit be maximized? What price will he charge? What will his total profit be?
c) Jimmy's landlady complains about all the visitors coming into the building and tells Jimmy to stop selling
peeps. Jimmy discovers, though, if he…
At a price of $8 per unit, Gadgets Incorporated is willing to supply 19,000 gadgets, while United Gadgets is willing to supply 16,000 gadgets. If the price were to rise to $10 per unit, their respective quantities supplied would rise to 28,000 and 22,000. If these are the only two firms supplying gadgets, what is the elasticity of supply in the market for gadgets?
Multiple Choice
1.59
1.4
2.22
0.63
The following table shows the daily cost data and demand schedule for a typical firm producing board games in a monopolistically competitive market
in the short run.
Fill in the values in the Marginal Cost, Total Revenue, and Marginal Revenue columns in the following table and then answer the questions that follow.
Quantity
Price
(Board games) (Dollars per game)
Total Cost Marginal Cost
(Dollars) (Dollars)
Total Revenue
(Dollars)
Marginal Revenue
(Dollars)
Average Total Cost
(Dollars)
1
16.00
14.00
10.00
8.00
6.00
4.00
2.00
2
3
4
5
6
7
8
0.50
12
18
21
24
35
48
63
80
Under monopolistic competition, a typical firm will produce
Based on your calculations, the firm will
Fill in the Average Total Cost column in the previous table.
^^^^^^^
board games at a price of $
Based on your calculations, the level of excess capacity in this monopolistically competitive market is
per board game in the short run.
Chapter 13 Solutions
EBK ECONOMICS
Ch. 13.1 - Prob. 1RQCh. 13.1 - Prob. 2RQCh. 13.1 - Prob. 3RQCh. 13.2 - Prob. 1RQCh. 13.2 - Prob. 2RQCh. 13.2 - Prob. 3RQCh. 13.2 - Prob. 4RQCh. 13.3 - Prob. 1RQCh. 13.3 - Prob. 2RQCh. 13.3 - Prob. 3RQ
Ch. 13.3 - Prob. 4RQCh. 13.4 - Prob. 1RQCh. 13.4 - Prob. 2RQCh. 13.4 - Prob. 3RQCh. 13.4 - Prob. 4RQCh. 13.5 - Prob. 1RQCh. 13.5 - Prob. 2RQCh. 13.5 - Prob. 3RQCh. 13.5 - Prob. 4RQCh. 13 - Prob. 1SPACh. 13 - Prob. 2SPACh. 13 - Prob. 3SPACh. 13 - Prob. 4SPACh. 13 - Prob. 5SPACh. 13 - Prob. 6SPACh. 13 - Prob. 7SPACh. 13 - Prob. 8SPACh. 13 - Prob. 9SPACh. 13 - Prob. 10APACh. 13 - Prob. 11APACh. 13 - Prob. 12APACh. 13 - Prob. 13APACh. 13 - Prob. 14APACh. 13 - Prob. 15APACh. 13 - Prob. 16APACh. 13 - Prob. 17APACh. 13 - Prob. 18APACh. 13 - Prob. 19APACh. 13 - Prob. 20APACh. 13 - Prob. 21APACh. 13 - Prob. 22APACh. 13 - Prob. 23APACh. 13 - Prob. 24APACh. 13 - Prob. 25APA
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