【单选题】In the table below, diminishing marginal product is first evident with the addition of the ____ worker. Labor T-Shirts 3 50 4 70 5 100 6 120 7 130 8 120
【判断题】If marginal product is smaller than average product, then average product must be falling as employment rises.
【单选题】()如F/2的光束直径为50mm,则F/4的光束直径为多少毫米?()
【单选题】Marginal product is the change in output associated with a unit change in:
【判断题】When total production decreases, then marginal product is less than 0.