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Fordham MSQF Shangri-La Hotel,@Beijing [2013-03-19]

[日期:2013-04-19] 来源:ChaseDream论坛 作者:myselfit [字体: ]

interview一共20分钟。prof好像是blackburn吧,他说的时候我没记住。

Okay, come straight to the point.

前五分钟做一个数学quiz,微积分、线代、概率论各一道。第一道是洛必达法则求极限,第二道是求矩阵inverse matrix,第三道是用mathematical description解释Central Limit Theorems

后十五分钟面试。

  1. use 3 words to describe your personality? introduce yourself in two sentences.
  2. You've learned a lot of math classes(楼主学过数分、高代、概率论、统计、计量,本科是国际经济与贸易). What did you learn in statistics class?
    我说,我学过的probability and statistics A 和statistics有点overlapped。 学了distrbution function,  central limit theorems, hypothesis testing, variance analysis, regression.
  3. Have you learned Stochastic Calculus ?
    楼主没有学过。
  4. Have you learned any programming courses?  
    没有学过c++,我告诉他我只会sql,structural query language, 然后就上赶着说:if given enough time, I think I  can prepare myself well for future programming classes. 然后我又说我最近已经开始看C primer plus。
  5. What's income statement? Function?  
    我提到了EBIT,于是他又让我解释什么是EBIT,我说earnings before interest and tax
  6. What's R square? Explain how to calculate it?
    我答到,equals the ratio of explained sum of squares and total sum of squares. 
  7. What do you think of R square?
    我答到,it is actually not a good indicator. When there is collinearity, the R square increases. You might think the model works well but actually it does not show the true relationship between independent variables and dependent variable.
  8. If you establish a model, y=a0+a1*x1+a2*x2+a3*x3, and x3=x1+x2, what will happen?
    我当时答得不好,complete collinearity之类的说的很wordy。解决的方法就是eliminate x3 from model。 prof直接说,如果x3=x1+x2,这个模型将得不到任何结果,没有意义了。
  9. 提问:
    1. job placement issue。 他说3/4的马上要毕业的current students 已经收到很多Offer,他说美国的quantitative employment demand is dramastically increasing right now。他说他会经常推荐学生到很多公司实习或者工作。
    2. 我让他推荐我看哪些专业书来准备这个program,他建议我不必再去看太多书,重要的是多去了解美国文化,了解美国人怎么社交,经常练习口语。

因为之前有同学说面试会不断地在你的cv上挖掘,而且好像指不定就引到哪个数学公式或者金融原理。以前实习时做过用双变量ecm-egarch的模型分析股指期货和现货的价格发现功能,分析二者相互的波动溢出效应。而且也有做过ETF与股指期货套利、黄金投资报告、上市公司投资报告啊等等的研究。所以非常害怕再问我很细的问题,所以昨天熬到两点才睡,就是为了再过一遍那些goddamned的模型原理、主要结论、重要假设等等。而且看到之前有人被问到brownian motion, black-scholes-merton model, capm,call-put parity,duration, convexity,,所以这几天就没闲着,内心十分惶恐。 同时又把以前自学的微分方程看了看。结果,现在看起来,那几天的忙碌真是...... 哎.....

总之,希望这个面经能对大家有用。

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