they plummer? Why do shoppers overspend when using credit cards rather than cash? What do our habits of tipping or buying lottery tickets indicate about our relationship with money?In this fascinating investigation of the ways we spend, invest, save, borrow, and waste money, Gary Belsky and Thomas Gilovich reveal the psychological causes -- the patterns of thinking and decision making -- of irrational behavior. Most important, they focus on the decisions we make every day and, using entertaining examples, provide invaluable tips on avoiding the financial faux pas that can cost thousands of dollars each year.

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