Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

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 ...

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, ...

Many economic models are constructed on the basis of an equity-efficiency trade-off, assuming that equality comes at the cost of efficiency. This column argues that inequality is better understood as ...