The first, second, and third workers employed by a firm add 24, 18, and 9 units to total product, respectively. Therefore, we can conclude that
A)marginal product of the third worker is 9.
B)the third worker has to work with poorer-quality tools and raw materials.
C)the firm will not want to hire more than three workers.
D)the first worker puts forth more effort than the second and third workers.

Question

Quizplus · Accepted Answer

The marginal product of a worker is the additional output produced by adding one more worker, assuming all other inputs remain constant. The third worker's addition of 9 units to total product directly indicates their marginal product is 9, without implying anything about the quality of tools, the firm's hiring intentions, or the effort levels of the workers.

The First, Second, and Third Workers Employed by a Firm