Roger Ibbotson, who is a colleague of Bob Shiller's and mine at the School of Management, has done a fair amount of work, studying the relative importance of these sources of returns.
罗格·伊博森是，我和希勒在管理学院的同事，他在对回报率来源的研究上，做了大量的工作。
2
That might seem fair enough, given the scandals in which hedge-fund managers overstated returns.
这看似相当公平，考虑到对冲基金经理们陷于虚报收益的丑闻。
3
While some of their hedge funds posted strong returns for 2009, after a disastrous 2008, others didn’t fair so well and 2010 has been tough.