For a short-run production function in which output is determined by the number of workers utilized (capital stock held constant), which of the following is FALSE?
A. To determine the marginal product of labor, the capital stock must be held constant.
B. When the marginal product of labor is negative, total product is falling.
C. When diminishing returns set in, adding one more worker decreases output.
D. In general, when there are few workers the marginal product of labor will be increasing.
E. none of the above
Answer: C
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