Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Discover how the ceteris paribus assumption isolates variables to clarify economic causation, simplifying complex relationships between price and demand.

I think that one of the most important misunderstandings about economic and political matters is not understanding the economic assumptions of abundance vs. scarcity. As an economics major in ...

Forbes contributors publish independent expert analyses and insights. Hersh Shefrin analyzes how psychology impacts markets and policy. This article is more than 3 years old. The inflation which ...

As students walk into their first ECO 100: Introduction to Microeconomics lecture at Princeton, they are unknowingly stepping into a classroom where economic theory trumps economic reality. The tenor ...