Tài liệu cao học tham khảo môn kinh tế bằng Tiếng Anh .
Problem Set for Tutorial 1 You will work through these problems in Tutorial 1. So please work through the problems before hand and bring your answers to the tutorial. The answers do not need to be handed in. This tutorial involves four questions relating to our discussion of categorical variables in Lecture 2. Questions 1, 3 and 4 use the data set CPS85 that can be downloaded from the class web page.