English Original
Dinosaur #1: How many economists does it take to screw in a light bulb?
Dinosaur #2: What is an economist?
Dinosaur #1: A flunkie mathematician who tries to predict the population of kangaroos in Australia. But that's not important and don't ask what a Kangaroo is.
Dinosaur #2: I don't know, how many?
Dinosaur #1: 10 economists and one grad student. One economist to make a model, one to run the regression, one to test the hypothesis, one to interpret the results, one to conclude how to screw it on, one grad student to screw it on, and five economists trying to fight off the dinosaurs trying to eat them.
中文翻译
恐龙甲： 换一个灯泡需要多少位经济学家？
恐龙乙： 什么是经济学家？
恐龙甲： 一个试图预测澳大利亚袋鼠数量的蹩脚数学家。但这不重要，也别问袋鼠是什么。
恐龙乙： 我不知道，需要多少位？
恐龙甲： 10位经济学家和1名研究生。一位经济学家负责建模，一位负责运行回归分析，一位负责检验假设，一位负责解读结果，一位负责得出如何拧上灯泡的结论，一名研究生负责实际拧上灯泡，还有五位经济学家负责击退试图吃掉他们的恐龙。