It's perfectly rational if there's no trust - no expectation that the second or third payments in the future will materialise. By that logic, the experiment has established that $50 is a sum that people will 'punt' against the remote possibilty of a large sum in future; but if you offer them more money up-front, they'll take it far more seriously than an unlikely reward at some future date.
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timeasmymeasure
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Date: 2009-02-03 04:17 pm (UTC)