CH 10 CONCEPT CHECK QUIZ_ 2023 Fall Principles of Microeconomics _602_

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11/1/23, 1:10 PM CH 10 CONCEPT CHECK QUIZ: 2023 Fall Principles of Microeconomics *602* https://ecu.instructure.com/courses/115447/quizzes/436928 1/12 CH 10 CONCEPT CHECK QUIZ Due Nov 1 at 11:59pm Points 15 Questions 15 Time Limit None Allowed Attempts Unlimited Attempt History Attempt Time Score LATEST Attempt 1 12 minutes 13 out of 15 Correct answers are hidden. Score for this attempt: 13 out of 15 Submitted Nov 1 at 1:09pm This attempt took 12 minutes. Take the Quiz Again 1 / 1 pts Question 1 A natural monopoly exists when a single seller experiences __________ average total costs compared with any potential competitor. higher lower equal sometimes higher and sometimes lower
11/1/23, 1:10 PM CH 10 CONCEPT CHECK QUIZ: 2023 Fall Principles of Microeconomics *602* https://ecu.instructure.com/courses/115447/quizzes/436928 2/12 FEEDBACK: In an industry that has large economies of scale, production costs per unit continue to fall as the firm expands. Smaller rivals will have much higher average costs that prevent them from competing with a larger company. As a result, firms in the industry naturally tend to combine over time. This leads to the creation of a natural monopoly, which occurs when a single large firm has lower costs than any potential competitor. 1 / 1 pts Question 2 Assume that a monopolist faces the demand schedule given below, and a constant marginal cost of $2 for each unit of output. To maximize profits, this monopolist would produce what number of units of output and charge what price per unit? Price Quantity demanded $10 0 $8 1 $5 2 $3 3 $1 4 1 unit; $8 2 units; $5 3 units; $3 4 units; $1
11/1/23, 1:10 PM CH 10 CONCEPT CHECK QUIZ: 2023 Fall Principles of Microeconomics *602* https://ecu.instructure.com/courses/115447/quizzes/436928 3/12 FEEDBACK: This question requires several steps to answer. First, you need to remember that a monopolist maximizes profit where marginal revenue equals marginal cost. Marginal cost is given as $2 per unit, so this is marginal revenue you need to find. However, neither marginal revenue nor total revenue is given in this table. You will need to calculate these values using the total revenue and marginal revenue formulas. Begin by calculating total revenue, using the following equation: Price × quantity = total revenue Next, plug the appropriate values into the TR formula: $10 × 0 units = TR $8 × 1 unit = TR $5 × 2 units = TR $3 × 3 units = TR $1 × 4 units = TR Now solve for TR, which gives you the following: Price Quantity demanded Total revenue 10 0 0 8 1 8 5 2 10 3 3 9 1 4 4 Next, you need to calculate marginal revenue. To find marginal revenue, you need to calculate the difference in total revenue from selling one more unit of a good. Use the following equation: TR unit - TR units = MR unit Next, plug the appropriate values into the MR formula: $8 - $0 = MR1 unit $10 - $8 = MR2 units $9 - $8 = MR3 units $4 - $9 = MR4 units Now solve for MR, which gives you the following: Price Quantity demanded Total revenue Marginal revenue 10 0 0 - 8 1 8 8 5 2 10 2 1 0 1
11/1/23, 1:10 PM CH 10 CONCEPT CHECK QUIZ: 2023 Fall Principles of Microeconomics *602* https://ecu.instructure.com/courses/115447/quizzes/436928 4/12 5 2 10 2 3 3 9 -1 1 4 4 -5 We know that the profit-maximizing price and output level is found where MR = MC. Since MC is $2, we know the firm will maximize profit where MR is $2. Using this profit-maximizing condition, it produces two units at a price of $5 per unit. 1 / 1 pts Question 3 Assume that a monopolist faces the demand schedule given in columns (1) and (2) of the table, and a constant marginal cost of $50 for each additional customer. To maximize profits, the monopolist would serve __________ customers at a price of __________ per head. Click to view larger image. (https://services.wwnorton.com/aws/image? u=0&file=/wwnorton.college.public/coursepacks/econ/prinecon3/imgs/CP_Table 5,000; $50 4,000; $60
11/1/23, 1:10 PM CH 10 CONCEPT CHECK QUIZ: 2023 Fall Principles of Microeconomics *602* https://ecu.instructure.com/courses/115447/quizzes/436928 5/12 3,000; $70 2,000; $80 FEEDBACK: This question requires several steps to answer. First, you need to know that the monopolist's profit-maximizing decision occurs where marginal revenue is equal to marginal cost. Marginal cost is given as $50 per unit. Therefore, you need to find a marginal revenue of $50 in column 4 of the table. However, because marginal revenue is reported for every 1,000 customers, you need to find a marginal revenue of $50 × 1,000 = $50,000. This occurs where 3,000 customers are served at $70 each. 1 / 1 pts Question 4 Compared to perfect competition, monopolies charge a lower price. a higher price. the same price. a higher or lower price, depending on the monopoly. FEEDBACK: A monopolist uses MR = MC to determine its price and quantity, but that does not set price equal to marginal cost. Instead, a monopolist sets its price by the height of the demand curve at the profit- maximizing output level. This is a higher price than that charged in competitive markets. 1 / 1 pts Question 5
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