The marginal product of labor is a variable used in economic theory. This variable quantifies the additional output produced by adding an additional unit of labor. The value of this variable is ...

Firms usually decide how many workers to employ based on how much income each worker generates for the company after deducting employment expenses. Managers estimate how much income workers generate ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Erika Rasure is globally-recognized as a leading consumer economics subject ...