【单选题】Tammy sells woolen hats in a perfectly competitive market. The marginal cost of producing 1 hat is $24. The marginal cost of producing a second hat is $26 and the marginal cost of producing a third ha...
【判断题】If the marginal cost of producing the fifth unit of output is higher than the marginal cost of producing the fourth unit of output, then at five units of output, average total cost must be rising.
【单选题】If the total cost of producing 10 units is $100 and the marginal cost of the eleventh unit is $21, then which of the following is NECESSARILY true?
A.
Total variable costs of 11 units are $121.
B.
Total fixed costs are $79.
C.
The marginal cost of the tenth unit is more than $21.
【单选题】To maximize profit a perfectly competitive firm supplies a good up to the point at which: a. the marginal revenue is higher than the marginal cost. b. the marginal cost of producing the good is zero. ...
【单选题】In the short run, the marginal cost of the first unit of output is $20, the marginal cost of producing the second unit of output is $16, and the marginal cost of producing the third unit of output is ...