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 ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Suzanne is a ...

Kelly Main is a Marketing Editor and Writer specializing in digital marketing, online advertising and web design and development. Before joining the team, she was a Content Producer at Fit Small ...

Christy Bieber has a JD from UCLA School of Law and began her career as a college instructor and textbook author. She has been writing full time for over a decade with a focus on making financial and ...

A prospectus is an official document filed with the Securities and Exchange Commission (SEC) that offers details about an investment being offered to the public for purchase. The prospectus is a legal ...

A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...

The volume of a cylinder is defined as the amount of space that a solid or liquid can occupy inside it. A cylinder is a three-dimensional shape with two identical, congruent, and parallel circular ...