A Cubic Specification for a Short-Run Production Function Is Appropriate $\text { U }$

question 53

Multiple Choice

A cubic specification for a short-run production function is appropriate when the scatter diagram indicates

• A)an S-shaped total product curve.
• B)marginal product of labor falls throughout the range of labor usage.
• C)total product is decreasing throughout the range of labor usage.
• D)an S-shaped marginal product of labor curve.
• E)a \(\text { U }\) -shaped marginal product of labor curve (MP first falls and then rises as labor usage increases.

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