Utility functions measure consumer preferences and satisfaction with goods or services. They help analyze consumer decisions to maximize satisfaction in rational choice theory. Economists and ...

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. Nastasic / ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...