An economic sector groups businesses by similar activities. Learn what an economic sector is, how the four main types work, and why they matter to the economy.

For more than a century, UChicago scholars’ groundbreaking theories have redefined the field of economics—from Milton Friedman’s ideas on monetary policy and Gary Becker’s theory of human capital to ...

A global study led by a researcher at Columbia University Mailman School of Public Health and published in the journal Scientific Reports finds that economic inequality on a social level cannot be ...