Today i finished the rest part of the book Industrial organization theory by vice professor Duchaohui of Renmin University.The book has been divided into 15 chapters.The firsy chapter is an introduction to this book,the second chapter is enterprise theory, the 3rd chapter is market structure and its mearsurement, the 4th chapter talks about the main determinants of market structure,the fifth chapter is about the pricing behavior of modern enterprises,the next chapter is about price discrimination, the 7th chapter tells readers something about the strategic behavior,the next chapter talks about ads,product position and services,the 9th chapter is about R&D, the 10th one is about M&A,vertical restrains and diversified business.The remaining  5 chapters are on market performance,the international development of industrial organizations , industrial organization policies , regulation theory and regulation policies and the changes of the industrial organization and policies under the globalization which is the last chapter.       After thoroughly reading this book, i got a rough idea about what industrial organization is.I hope i can go much further in this field and can write several exellent papers in this field.