Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Charday Penn Marginal propensity to save (MPS) is used by economists to ...

Paying taxes is never pleasant, which, perhaps, is why so many Americans often complain about the taxes they pay in language that inflates the percentages they're paying. Yeah, it's that bad! Well, no ...

One key decision every business has to make is how much of its goods or services to make available to customers. Demand functions will give you a sense of how much revenue a business can bring in ...

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 ...