PMI-SP · Question #263
Harry is the project manager of a large network installation project. This project requires Harry to add network cable to each office and cubicle of a 14-story office building. Harry will receive a…
The correct answer is B. Law of Diminishing Returns. The law of diminishing returns state that the user cannot exponentially add labor to a project to reduce the amount of time required to complete the project work. In other words, Harry cannot keep doubling the workforce on this project to reduce the project duration down to…
Question
Harry is the project manager of a large network installation project. This project requires Harry to add network cable to each office and cubicle of a 14-story office building. Harry will receive a bonus for good time and cost performance in this project. What law of economics would prevent Harry from exponentially adding labor to the project work in an effort to complete the work in a very small amount of time?
Options
- AParkinson's Law
- BLaw of Diminishing Returns
- CLaw of Economics
- DMoore's Law
How the community answered
(19 responses)- A5% (1)
- B89% (17)
- C5% (1)
Explanation
The law of diminishing returns state that the user cannot exponentially add labor to a project to reduce the amount of time required to complete the project work. In other words, Harry cannot keep doubling the workforce on this project to reduce the project duration down to just a few minutes. The law of diminishing returns state that "the user will get less and less output when he add additional doses of an input while holding other inputs fixed. In other words, the marginal product of each unit of input will decline as the amount of that input increases holding all other inputs constant." Diminishing returns mean that the extra labor causes output to fall, which means that the MPL is negative. In other words, the change in output per unit increase in labor is negative and total output is falling. Answer option C is incorrect. This is not a valid project management term. Answer option A is incorrect. Parkinson's Law states that work will expand to the amount of time allotted to it. Answer option D is incorrect. Moore 's Law is based on Intel's Gordon Moore who stated that processor speeds generally double in power every 18 months.
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