czhbzh 发表于 2010-3-10 12:52 
太多了,计量经济学是经济学中最难的了
"计量经济学是经济学中最难的了". 不难的. But is does has a lot of contents and take a bit time. But all of them are motivated by deviated from regression assumptions. Fully understanding those assumptions, is NUMBER one important. Usually people lost at the begining.