Discover the evolution of economics from ancient times to modern theories that influence global markets, including Adam Smith and Keynesian approaches.

Economic man represents a rational actor, aiming to maximize utility and satisfaction. Discover his role and the impact the concept has in economic theories and models.

Danielle Dreilinger talks about her book "The Secret History of Home Economics: How Trailblazing Women Harnessed the Power of Home and Changed the Way We Live." The book is out in paperback Tuesday.

Economists sometimes present their discipline as the queen of the social sciences, a claim staked primarily on a superificial resemblance to physics: It has universal laws! Expressed in numbers! But ...