Let me begin this preface with a confession of a few of my own biases. First, I believe that theory, and the models that flow from it, should provide us with the tools to understand, analyze and solve problems. The test of a model or theory then should not be based upon its elegance but upon its usefulness in problem solving. Second, there is little in corporate financial theory, in my view, that is new and revolutionary. The core principles of corporate finance are common sense ones, and have changed little over time
