[T]he next time you hear serious-sounding people explaining the need for fiscal austerity, try to parse their argument. Almost surely, you'll discover that what sounds like hardheaded realism actually rests on a foundation of fantasy, on the belief that invisible vigilantes will punish us if we're bad and the confidence fairy will reward us if we're good. And real-world policy - policy that will blight the lives of millions of working families - is being built on that foundation.

Our popular economics writers, however, are not in the business of giving their readers a ringside seat on the research action; with no exception I can think of, they use their books to do an end run around the normal structure of scholarship, to preach ideas that few serious economists share. Often, these ideas are not just at odds with the professional consensus; they are demonstrably wrong, and sometimes terminally silly. But they sound good to the unwary reader.

America's political landscape is infested with many zombie ideas - beliefs about policy that have been repeatedly refuted with evidence and analysis but refuse to die. The most prominent zombie is the insistence that low taxes on rich people are the key to prosperity.

Rising inequality isn’t about who has the knowledge; it’s about who has the power.

The science fiction world has a lot of people doing seriously imaginative thinking.

If the price of everything is going down, that's going to include wages as well. People will have an incentive to sit on their cash and not spend it.

Bad ideas flourish because they are in the interest of powerful groups.