Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

Forbes contributors publish independent expert analyses and insights. James Broughel is an economist focused on the economics of regulation. GDP is the total market value of all final goods and ...