在查普曼大学，加利福尼亚，这个周期是由弗农·史密斯研究。
At Chapman University, in California, this cycle is studied by Vernon Smith.
杰弗里•曼缇是乔治梅森大学人类学教授，并在那儿讲授有关僵尸及僵尸文化重要性的课程。
George Mason University anthropology professor Jeffrey Mantz teaches a class on zombies and their cultural importance.
范德比尔大学的体育经济学家约翰'弗鲁曼说："NFL是一个完美的组合，"因为一个球队.
“The NFL is a perfect portfolio,” says John Vrooman, a sports economist at Vanderbilt University, because one team's losing season and sagging revenues are offset by another team's banner year.
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