He is also lead author of the paper, Fast Profits: Investor Sentiment and Stock Returns During Ramadan. Reporter Cecily Hilleary asked him to explain the so-called Ramadan Effect. During the Holy Month, we find that on average, stock returns are almost nine times higher in predominantly Muslim countries than during other times of the year.

VOA: standard.2010.08.05

I start $100 as the average price of the stock, what should the average price of the stock be?

我把100美元作为股票的初始平均值，你们觉得这个股价的平均值应该是多少呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

So even if, on average, the stock is expected to not move at all from where it starts, some stocks will be expected to just trundle along without much change, not very volatile.

所以即使平均而言，股票应该是不会,和开盘的时候有什么区别，有一些股票可能会,没什么变化，不是很反复无常。

麻省理工公开课 - 计算机科学及编程导论课程节选