超星 - Ch 13 The Costs of Production

A. Interest paid on the firm's debt
B. Rent paid by the firm to lease office space
C. The owner of a firm forgoing an opportunity to earn a large salary working for a Wall Street brokerage firm
D. Wages paid to workers

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单选题

Bev is opening her own court-reporting business. She financed the business by withdrawing money from her personal savings account. When she closed the account, the bank representative mentioned that she would have earned $300 in interest next year. If Bev hadn't opened her own business, she would have earned a salary of $25,000. In her first year, Bev's revenues were $30,000, and she spent $1,000 on materials and supplies. Which of the following statements is correct?

A. Bev's total explicit costs are $26,300.
Bev's total implicit costs are $300.
C. Bev's accounting profits exceed her economic profits by $300.
D. Bev's economic profit is $3,700.

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单选题

Chloe gives piano lessons for $15 per hour. She also grows flowers, which she arranges and sells at the local farmer's market. One day she spends 4 hours planting $50 worth of seeds in her garden. Once the seeds have grown into flowers, she can sell them for $150 at the farmer's market. Chloe's accounting profits are

A. $100, and her economic profits are $40.
B. $100, and her economic profits are $15.
C. $40, and her economic profits are $100.
D. $15, and her economic profits are $140.

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单选题

If a firm uses labor to produce output, the firm's production function depicts the relationship between

A. the number of workers and the quantity of output.
B. marginal product and marginal cost.
C. the maximum quantity that the firm can produce as it adds more capital to a fixed quantity of labor.
D. fixed inputs and variable inputs in the short run.

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单选题

Kate is a florist. Kate can arrange 27 bouquets per day. She is considering hiring her husband Amir to work for her. Together Kate and Amir can arrange 41 bouquets per day. What is Amir's marginal product?

A. 68 bouquets
B. 41 bouquets
C. 29 bouquets
D. 14 bouquets

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单选题

Suppose a certain firm is able to produce 110 units of output per day when 12 workers are hired. The firm is able to produce 120 units of output per day when 13 workers are hired, holding other inputs fixed. The marginal product of the 13th worker is

A. 4 units of output.
B. 5 units of output.
C. 10 units of output.
D. 120 units of output.

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