来自《耶鲁大学开放课程：金融理论 第12集 第12集》

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  That's pay as you go
  这就是你们所了解的支付
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  and we talked as if it wouldn't change the equilibrium,
  我们谈到过它似乎不会改变均衡
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  but we said at the same time
  但是同时
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  that Social Security was the most gigantic program
  社保对于世界上任何地方的任何政府来说
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  any government anywhere in the world has ever adopted
  都是所采用过的最庞大的项目
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  and the giveaway was bigger than GNP for a year,
  每年的支出都大于国民生产总值
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  17 trillion compared to 12 or 14 trillion.
  17万亿相对于12或者14万亿
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  So clearly it's going to have an effect on the interest rate.
  显然它对于利率会有影响
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  So we ought to take that into account
  在更加仔细的分析社保的时候
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  if we're doing a more careful analysis of Social Security.
  我们应该将此纳入考虑范围
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  So what would Social Security do?
  社保能做什么呢
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  How would I take into account Social Security?
  我将如何把它纳入社保的考虑范围