1.If a firm produces zero output in the short run:(请解释一下)
A. | total cost equals total fixed cost. | |
B. | total cost is zero. | |
C. | marginal cost is at its maximum. | |
D. | total variable cost is positive. |
2.As output increases, the difference between average total cost and average variable cost:
A. | increases. | |
B. | decreases. | |
C. | remains exactly the same. | |
D. | may increase or decrease depending on the position of the moon relative to the planet Mercury. |
3.Suppose you operate a factory producing golf clubs. Your current level of output is 500 golf clubs per week. Your weekly total variable cost is $30,000. If your total cost is $40,000 per week, it follows that:
A. | the average variable cost of production per week is $80. | |
B. | the average fixed cost of production per week is $80. | |
C. | the average total cost of production per week is $80. | |
D. | the average variable cost of production per week is $100. |
4.请问:The Principle of Diminishing Marginal Productivity 和 The Principle of Diminishing Marginal Utility有什么区别呢?
做这些题目有什么重点和技巧要把握吗?需要画图吗?



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