The specialized models in Parts Four and Five of this book are just that—specialized. On the face of it, each of them doesn’t seem to apply to many of the readers of this book. But they are presented not just as potential solutions to the problems that some of you encounter. More significantly, they are intended to broaden the views of all. This is in two ways:
First of all, buried in each example are modeling techniques that can be borrowed and applied to other areas. The modeling problems addressed are often unique, to be sure, but the intellectual exercise of pursuing the solutions is quite universal.
Second, and perhaps most important, they provide an opportunity to learn about areas in our world that you otherwise would know nothing ...