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 ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re known, ...

Jared Ecker is a researcher and fact-checker. He possesses over a decade of experience in the Nuclear and National Defense sectors resolving issues on platforms as varied as stealth bombers to UAVs.

The utilities sector includes electric, gas, and water providers that operate in regulated markets. As utility stocks offer predictable revenue, they are seen as defensive holdings in a diversified ...

Farran Powell is the managing editor of investing at Forbes Advisor. She was previously the assistant managing editor of investing at U.S. News & World Report. Her work has appeared in numerous ...

Utilities stocks appeal to investors for a few different reasons. They are considered defensive investments, as demand for electricity, water, and gas remains stable regardless of economic conditions.

Make money by identifying growth stocks, companies poised to grow faster than the market or average business in their industry. Duke Energy's utility portfolio generates steady revenue regulated by ...