Greetings!
While I don't have a background in economics, I can give you some general guidelines for writing this type of paper. The book itself will provide you with a good outline for describing the author's theories. Begin by looking at the Table of Contents. How did the author structure his book? Those points which are most important to his thesis should probably provide the chapter headings. The Introduction will encapsulate the main points the author intends to make in the book. His concluding chapter will most likely be a summary of it. Thus, you can use the author's own work to provide a general layout of your paper. Be sure that your opening paragraph sets the thesis out clearly, and then use the following paragraphs to provide the major points which support that thesis.
I hope this helps you get started!
Thanks,
Sarah, EssayForum.com
Sarah, EssayForum.com