Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Julia Whitty is Mother Jones’ environmental correspondent. You can read from her new ...

Consumption, production, and investment decisions of individuals, households, and firms often affect people not directly involved in the transactions. Sometimes these indirect effects are tiny. But ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Katrina Ávila Munichiello is an experienced editor, writer, fact-checker, and ...

An externality is a cost or benefit related to the production or consumption of a good or service that affects third parties unrelated to the production or consumption. It is generally the unintended, ...

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 ...