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18 NEVER PAY YOUR LAWYER BY THE HOUR Incentive Super-Response Tendency To control a rat infestation, French colonial rulers in Hanoi in the nineteenth century passed a law: for every dead rat handed in to the authorities, the catcher would receive a reward. Yes, many rats were destroyed, but many were also bred specially for this purpose. In 1947, when the Dead Sea scrolls were discovered, archaeologists set a finder’s fee for each new parchment. Instead of lots of extra scrolls being found, they were simply torn apart to increase the reward. Similarly, in China in the nineteenth century, an incentive was offered for finding dinosaur bones. Farmers located a few on their land, broke them into pieces and cashed in. Modern incentives are no better: company boards promise bonuses for achieved targets. And what happens? Managers invest more energy in trying to lower the targets than in growing the business. These are examples of the incentive super-response tendency. Credited to Charlie Munger, this titanic name describes a rather trivial observation: people respond to incentives by doing what is in their best interests. What is noteworthy is, first, how quickly and radically people’s behaviour changes when incentives come into play or are altered and, second, the fact that people respond to the incentives themselves and not the grander intentions behind them.
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Rolf Dobelli (The Art of Thinking Clearly: The Secrets of Perfect Decision-Making)