Getting every advantage possible in your business is important. Using proper analytical techniques and up-to-date business theory will help your business succeed. Economic principles, especially ...

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 ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Timothy Li is a consultant, accountant, and ...