我应科斯教授和芝加哥大学法学院的邀请,从一九九三年十月开始在那里就法和经济学研究项目作了半年的访问学者。芝加哥大学是法和经济学运动的发源地,科斯教授等著名经济学家在这里发动过一场经济学理论革命。如今科斯教授已八十四岁高龄,但鹤发童颜,思维敏捷。他出生于英格兰,尽管移居美国已有数十年,但仍操一口伦敦音,似乎透露出一份做大不列颠文明传人的自豪。然而他又那样简朴和天真。他笑起来像孩子一样。每次讨论问题,他总是到我的办公室来,理由是他的办公室太乱了。确 At the invitation of Professor Coase and the University of Chicago Law School, I started there in October 1993 as a visiting scholar for six months on law and economics. University of Chicago is the birthplace of the law and economics movement, where economists such as Professor Coase launched a theory of economic revolution. Professor Coase is now 84-year-old, but Hefa Tong Yan, quick thinking. Born in England and managed to speak London even though he immigrated to the United States for decades, it seems that he has revealed his pride in becoming a British civilized successor. However, he is so simple and naive. He laughed like a child. He always comes to my office for each discussion, on the grounds that his office is too messy. Indeed