Explore the principles of mainstream economics, its origins in neoclassical thought, and criticisms from heterodox theories. Discover how it impacts economic policies.

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Development ...

We need a new, positive definition of public goods to counter the current economics definition that relegates pubic goods to market failure. Last week I wrote about how economist Paul Samuelson's ...

Behavioral Economics is the application of psychology to the field of economics. It describes the role that psychology plays among consumers, employers, and governments, which then impacts markets and ...