Learn how utility functions derive demand functions and their role in maximizing consumer satisfaction and economic decision making.

Every week, it seems, there’s a new financial website with just the right solution for managing your money. “We’ll bucket you.” “We’ll goal you.” “We’ll de-tax you.” “We’ll balance you.” “We’ll ...

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 ...