• So in fact, it is the case, if you look at data, and by the way, that's the way I ended up setting a lot of these parameters and playing with it, was comparing what my simulation said to historical stock data.

    所以实际上,在这个例子中,如果你看到数据,顺便说一下,这就是我设置很多变量,然后编程的方式,也就是把我的仿真程序得到的结果,和历史股票数据进行比较。

    麻省理工公开课 - 计算机科学及编程导论课程节选

  • The only history that you would have had fifteen years ago would have been those funds that produced great returns, so it's all identified after the fact.

    你只会看到在这15年的历史数据中,所有对冲基金都有着极佳的回报,这都是事后调整确认的

    耶鲁公开课 - 金融市场课程节选

  • That's when a new manager appears subsequent to the beginning of the ten-year period; they'll put not only the new numbers in, but they'll take the history of the new manager and put that history into the database.

    即在10年期开始后,每出现一位新的基金经理,不仅是新的业绩数字会进入数据库,新经理的历史记录,也会填入数据

    耶鲁公开课 - 金融市场课程节选

  • Well,that's going to inflate the numbers too because the only managers that kind of raise their hand and say, hey I've got this interesting new approach to managing domestic equities--or whatever the asset class is -are the ones that have succeeded.

    当然是会让指数起点偏高,因为经理人倾向于提供那些,举手说找到有趣的新方法,来管理国内股权投资,或其他投资的,成功的历史数据

    耶鲁公开课 - 金融市场课程节选

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