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 / ...

A utility function measures a consumer’s preference and satisfaction with different goods or services. As part of rational choice theory, it helps economists analyze how consumers make decisions to ...

Utilities are the market sector that includes companies that produce or deliver electricity, water, natural gas and related services to the public. The companies within this sector operate under ...