中国有句古训“南京到北京,买的总不如卖的精”,这是我们的祖先很早对信息不对称原则进行的朴素形象的阐述,美国加州大学伯克利分校的经济学教授乔治·阿克尔洛夫是2001年诺贝尔经济学奖得主。他在阐述著名的“柠檬市场”理论时引用了一个有关二手车的经 There is an old saying in China that “Nanjing to Beijing is not as good as selling fine”. This is a very early example of the simple image of the principle of information asymmetry that our ancestors made. George Acker, professor of economics at the University of California, Berkeley, Erlof is the Nobel Prize winner in economics in 2001. In citing the famous “lemon market” theory, he quoted a book on used cars