Econ 101 - Microeconomics » Fall 2022 » Quiz 4

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Question #1
Assume a firm in a monopolistically competitive market is earning a supernormal profit. What would you expect to happen to the demand curve and profits respectively?
A.   decrease, increase
B.   increase, decrease
C.   increase, increase
D.   decrease, decrease
E.   decrease, stay the same
Question #2
Assume a firm in a monopolistically competitive market is earning a loss. What would you expect to happen to the demand curve and profits respectively?
A.   decrease, increase
B.   increase, decrease
C.   decrease, decrease
D.   increase, increase
E.   decrease, stay the same
Question #3
Which industry or industries below might operate in a monopolistically competitive market?
A.   all of these
B.   a hotel (it is the only hotel in town)
C.   a barber shop
D.   a patented lifesaving medicine
E.   a certain brand of coffee
Question #4
Which of the numbers below best reflects the expect number of sellers in an oligopoly?
A.   1
B.   3
C.   30000
D.   300
E.   30
Question #5
Two players are playing a game involving selecting a bag simulatenously. If both players select the red bag, they each receive $5. If both players select the green bag, player 1 receives $0, and player 2 receives $7. if player 1 selects the red bag and player 2 selects the green bag, player 1 receives $2, and player 2 receives $9. If player 1 selects the green bag, and player 2 selects the red bag, player 1 receives $3 and player 2 receives $1. Which of the following represents player 1's strategy and player 2's strategy respectively?
A.   red, green
B.   green, green
C.   green, red
D.   none of these
E.   red, red
Question #6
Two players are playing a game involving selecting a bag simulatenously. If both players select the red bag, they each receive $5. If both players select the green bag, player 1 receives $0, and player 2 receives $7. if player 1 selects the red bag and player 2 selects the green bag, player 1 receives $2, and player 2 receives $9. If player 1 selects the green bag, and player 2 selects the red bag, player 1 receives $3 and player 2 receives $1. What will be player 1's and player 2's payout respectively?
A.   $3, 1
B.   $0, $7
C.   $5, $5
D.   $2, $9
E.   $9, $2
Question #7
Two firms are competing against each other in an oligopoly. Both are deciding whether to build a big factory or a small factory. Firm A will decide first and Firm B will decide second. If they both build a big factory, Firm A receives $5, and Firm B receives $10. If Firm A builds a big factory and Firm B builds a small factory, Firm A receives $3, and firm B receives $7. If Firm A builds a small factory and Firm B builds a large factory, Firm A receives $4, and Firm B receives $9. If they both build a small factory, Firm A receives $6 and Firm B receives $8. What will be the payouts for Firm A and Firm B respectively?
A.   none of these
B.   $5, $10
C.   $4, $9
D.   $3, $7
E.   $6, $8
Question #8
Which of the following describes the elasticity of the demand curve faced by an oligopolist?
A.   perfectly inelastic
B.   somewhat elastic
C.   perfectly elastic
D.   inelastic or elastic depending on price
E.   somewhat inelastic
Question #9
The table below shows how many units of product a firm can produce at various levels of labor. Assuming the product can be sold for $5 and the hourly wage is $20, how many hours of labor will the firm use? Hours of Labor / Total Product 0 0 1 10 2 18 3 24 4 30 5 35 6 38
A.   4
B.   5
C.   3
D.   2
E.   1
F.   6
Question #10
A firm is using both labor and capital to produce. The current price of capital is $10/hr and the current price of labor is $30/hr. If currently each machine is producing 100 units per hours and each human is producing 300 units per hour, what should this firm do to increase efficiency?
A.   use less machines and less labor
B.   use more machines and more labor
C.   use more machines and less labor
D.   nothing - this firm is operating efficiently
E.   use less machines and more labor

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