At 12:01 a.m. EST Friday, President Trump’s two worst economic ideas finally collided — and made each other even worse. To be sure, there are a lot of terrible economic theories espoused by ...

Professor John Quiggin, author of "Zombie Economics," talks with Kai Ryssdal about how some economic ideas can be zombies — theories that refuse to die no matter how wrong they prove to be.

Slate Moneybox writer Matt Yglesias, we're on to you: Your economics ideas are coming to you on your lunch runs.