(Answered) is the change in total production that result from aone-unit increase in the quantity of labor…

➤ Why does the marginal product of labor usually fall as more workers are hired?
The marginal product of labor often falls because other inputs like machines, tools, or workspace remain fixed. As you add workers, they share limited capital and may crowd one another. This reduces the extra output each new worker can produce, which is the law of diminishing marginal returns in the short run.