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sábado, 11 de septiembre de 2010

Los incentivos son lo importante

Esta es la historia que cuenta Tabarrok a sus alumnos el primer día de clase: vía NPR
Back in the 1700s, the British government paid sea captains to take felons to Australia. At first, it didn't work so well, Tabarrok says:
About a third of the males on one particularly horrific voyage died. The rest arrived beaten, starved, and sick. I mean, they were hobbling off, those who were lucky enough to survive.
This was a scandal back in England, so the government tried to fix it with all different kinds of rules. Force the captains to bring a doctor along. Require them to bring lemons to prevent scurvy. Have inspections. Raise captains’ salaries. None of it worked.
The clergy begged the captains, for humanity’s sake, to take better care of the prisoners. No dice.
Finally, an economist (who else?) had a new idea.

Instead of paying for each prisoner that walked on the ship in Great Britain, the government should only pay for each prisoner that walked off the ship in Australia. And in fact, this was the suggestion which in 1793 was adopted and implemented. And immediately, the survival rate shot up to 99%.
Here is the first, fundamental lesson of economics: Incentives matter.

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