Instant Gratification

Why We Buy Too Much: The Psychology of Overspending

Like all behaviors, your buying habits reflect your background, experiences and psychological makeup. But those things don't have to control your financial future. Here are some emotional states that drive people to make poor purchasing decisions, and some advice on how to keep those emotions from sending you to the poorhouse.

Psychological Keys to Boosting Your Financial Willpower

Dr. Roy Baumeister is a research psychologist who has studied the science of self-control for many years. He's also co-author of the new book "Willpower." We asked him how you can boost your willpower when facing financial temptations and decisions. Here are his secrets.