Apparently they want to make it scientific enough:



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送交者: skipper3 于 2005-2-08, 12:04:56:

http://www.businessweek.com/magazine/content/05_07/b3920073.htm

And they are willing to pay the price for better data: "But the census is so important for the government that it has pledged to keep the data confidential and not use them to track down tax evaders." So another rule is broken: you know the guy is breaking the tax law, but you promise him to keep your eyes closed as long as he can tell the truth.



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