Nudges Gone WrongA program designed to reduce energy consumption persuaded some Republicans to consume more.
Errors in JudgmentWere hundreds of criminals given the wrong sentences because lawyers messed up a basic work sheet?
The $100 Distraction DeviceWhy giving poor kids laptops doesn't improve their scholastic performance.
Going Down SwingingWhat if three-strikes laws make criminals less likely to repeat offend—but more violent when they do?
The Tiger Woods EffectWhen he's in the field, everyone else plays worse. How Tiger throws off golf's incentive structure.
The Right Kind of Peer PressureWant girls to do better in school? Surround them with smart classmates.
We're Blowing ItA new paper suggests U.S. military aid does nothing to reduce drug production in Colombia.
400 Percent APR: Is That Good?Do people take out payday loans because they're desperate, or because they don't understand the terms?
Testing TestingEmployment tests may be racially biased—but what if they're less biased than human beings?
The Invisible Hand of GodAdam Smith thought competition among religions was a good thing. Does Hanukkah prove him wrong?
They Made a KillingDid people who knew about secret, CIA-led coups use that information to game the stock market?
Cos and EffectBill Cosby may be right about African-Americans spending a lot on expensive sneakers—but he's wrong about why.