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 ...

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 ...

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 ...

Introductory-level economics uses supply and demand curves to identify the "ideal" price for a product, service or other economic activity. In Econ 101, these curves assume that the economy is working ...

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 ...

The architecture of securities clearing and settlement in the United States creates an externality: investors do not always bear the full cost of settlement risk for their trades and can impose some ...

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 ...

Mark Bittman has a piece in the New York Times where he analyzes the "true cost" of hamburgers. There are some things right with the piece and some things wrong. In general, thinking about the costs ...

The Concise Encyclopedia of Economics begins its article on public goods and externalities with the statement that “most economic arguments for government intervention are based on the idea that the ...

IF YOUR friends and family get fat, chances are you will too, researchers report in a startling new study that suggests obesity is ‘socially contagious’ and can spread easily from person to person. Is ...