Economists develop economic models to explain consistently recurring relationships. Their models link one or more economic variables to other economic variables (see “Economic Models,” p. 8). For ...

When gasoline is expensive, people grumble that big oil companies like Chevron and ExxonMobil are colluding to keep prices high. They’re wrong. The best way to understand why businesses aren’t ...

There is an old joke in economics about two economists walking together down the sidewalk. One of them stops the other and says, “Look! There’s a $100 bill lying there on the ground!” As he stoops to ...

Managerial economics is no longer limited to understanding markets, costs, and pricing decisions. Businesses now operate in ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Robert Kelly is managing director of ...

The history of economic thought traces the evolution of ideas about production, distribution and exchange from antiquity to the present. Its narrative begins with early reflections on wealth in ...