NPR: If you think about every other price in the world — a dollar, $12.99 — free stands out. Free has the power to make us do completely irrational things. It can drive us to break rules, and take risks we never thought possible. It can make us feel savvy More

The New York Times: HOW much money do you need to be happy? Think about it. What’s your number? Many of us aren’t satisfied with how much we have now. That’s why we’re constantly angling for a raise at work, befriending aged relatives and springing, despite long odds, for lottery More

The New York Times: My daughter made the cross-country team, and she needed new running shoes. Have you shopped for new trail-running shoes recently? They’re so expensive that it hurt! I was telling someone I know about the experience and said I hoped buying something like shoes never stopped being More