Nudge

Nudge

Improving Decisions About Health, Wealth, and Happiness

Richard H. Thaler, Cass R. Sunstein

When investments pay off, people are willing to take big chances with their “winnings.” For example, mental accounting contributed to the large increase in stock prices in the 1990s, as many people took on more and more risk with the justification that they were playing only with their gains from the past few years. Similarly, people are far more likely to splurge impulsively on a big luxury purchase when they receive an unexpected windfall than with savings that they have accumulated over time, even if those savings are fully available to be spent.

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