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Educating the world for a better change
,5/9/25, 5:07 AM ECS2601-25-S1: Assessment 3
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Assessment 3
Opened: Tuesday, 22 April 2025, 12:00 PM
Closes: Tuesday, 13 May 2025, 8:00 PM
655110
Attempts allowed: 2
Grading method: Highest grade
Summary of your previous attempts
Attempt State Marks / 40.00 Grade / 100.00 Review
1 Finished 40.00 100.00
Submitted Friday, 9 May 2025, 5:06 AM
Highest grade: 100..00.
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,5/9/25, 5:05 AM Assessment 3 (page 1 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 1
Answer saved
Marked out of 3.00
Suppose that an industry is characterized as follows:
C = 100 + 2q2 each firm’s total cost function
MC = 4q firm’s marginal cost function
P = 90 – 2Q industry demand curve
MR = 90 – 4Q industry marginal revenue curve
If there is only one firm in the industry, find the monopoly level of profit.
a. R406.25
b. R40.62
c. R550
d. R55
Clear my choice
Question 2
Answer saved
Marked out of 2.00
Electric utilities often practice second-degree price discrimination which may lead to an increase in consumer welfare.
Select one:
True
False
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27331573&cmid=1084868 1/1
, 5/9/25, 5:05 AM Assessment 3 (page 2 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 3
Answer saved
Marked out of 2.00
When MR > MC, this mean a monopolist is facing reduced profits and should produce less.
Select one:
True
False
Question 4
Answer saved
Marked out of 2.00
In which oligopoly model do firms earn zero economic profit?
a. Stackelberg
b. Oligopoly firms always earn economic profits.
c. Bertrand
d. Cournot
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27331573&cmid=1084868&page=1 1/1
ademic In
Ac sti
te
tu
Eli
te
he
de
W
re a
G ra eM
d u a te s Ar
Educating the world for a better change
,5/9/25, 5:07 AM ECS2601-25-S1: Assessment 3
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Assessment 3
Opened: Tuesday, 22 April 2025, 12:00 PM
Closes: Tuesday, 13 May 2025, 8:00 PM
655110
Attempts allowed: 2
Grading method: Highest grade
Summary of your previous attempts
Attempt State Marks / 40.00 Grade / 100.00 Review
1 Finished 40.00 100.00
Submitted Friday, 9 May 2025, 5:06 AM
Highest grade: 100..00.
Contact us
Follow us
You are logged in as ANDILE WELCOME BAFO (Log out)
Data retention summary
Get the mobile app
Get the mobile app
This page is: General type: incourse. Context Quiz: Assessment 3 (context id 29684788). Page type mod-quiz-view.
https://mymodules.dtls.unisa.ac.za/mod/quiz/view.php?id=1084868 1/1
,5/9/25, 5:05 AM Assessment 3 (page 1 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 1
Answer saved
Marked out of 3.00
Suppose that an industry is characterized as follows:
C = 100 + 2q2 each firm’s total cost function
MC = 4q firm’s marginal cost function
P = 90 – 2Q industry demand curve
MR = 90 – 4Q industry marginal revenue curve
If there is only one firm in the industry, find the monopoly level of profit.
a. R406.25
b. R40.62
c. R550
d. R55
Clear my choice
Question 2
Answer saved
Marked out of 2.00
Electric utilities often practice second-degree price discrimination which may lead to an increase in consumer welfare.
Select one:
True
False
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27331573&cmid=1084868 1/1
, 5/9/25, 5:05 AM Assessment 3 (page 2 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 3
Answer saved
Marked out of 2.00
When MR > MC, this mean a monopolist is facing reduced profits and should produce less.
Select one:
True
False
Question 4
Answer saved
Marked out of 2.00
In which oligopoly model do firms earn zero economic profit?
a. Stackelberg
b. Oligopoly firms always earn economic profits.
c. Bertrand
d. Cournot
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27331573&cmid=1084868&page=1 1/1
