来自《耶鲁大学开放课程：金融市场 第7集 第7集》

• 
  
  That looks like the--how many would pick Two?
  看起来很...多少人选第二种
• 
  
  Very few of you would pick Two.
  看来极少的人选第二种
• 
  
  Have to reflect--so we picked One this time.
  怎么解释...我们在前景一这里打钩
• 
  
  Now, you might want to reflect on that.
  现在你可能会想
• 
  
  Why was it such a different
  为何会有如此的区别
• 
  
  --why did you pick One in this case and pick Two in this case?
  为什么那边选一 这边选二
• 
  
  The thing I want to point out is that the number
  我要指出一点
• 
  
  --the cash amounts are the same in the two examples
  两种情况下支付的金额是一样的
• 
  
  but the probabilities are just multiplied by four.
  但第二种情况的概率是原先的4倍
• 
  
  So the expected utility of the two
  所以其期望效用
• 
  
  is just four times as great, no matter what.
  也是原先的4倍
• 
  
  They're the same--the utilities are the same,
  效用函数是一样的