Understand the key differences between marginal utility and marginal benefit—how they affect pricing, consumer behavior, and decision making in economics.

One of the important contributions of Economics in public policy is the marginal (or extra, additional, incremental) analysis in the increase in cost and revenues, satisfaction and dissatisfaction, ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...