Externalities are the incidental effects that the activities or actions of one party have on another party. Positive externalities occur when the actions of a person or entity have a positive impact ...

Understand the differences between external economies and diseconomies and how they impact industries. Learn about positive ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

We economists are often faulted for having a language all our own, usually unintelligible to common mortals. (To be fair, our discipline is not unique in this: many think the language of lawyers is ...

Al Gore and David Blood’s op-ed “ESG Investing Is Consistent with Fiduciary Duty” (Nov. 9) includes two examples that highlight the best way to handle externalities, the economic term for costs ...

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, ...