Introduction

This introduction presents an overview of key concepts discussed in this book. This book is part of a long established sub-discipline of economics, the history of the development of economic ideas and tries to show how the importance of non competitive behavior of the firms analyzed through economic models by American researchers, the Federal Trade Commission and the universities, and what economical analysts of Europe should learn about stimulating American controversy. The influence of economists in antitrust agencies increased during second half of the past century, and now it is usual to find an economic perspective in law schools, and in extensive and explicit judicial reliance on economic theory. As researchers, people keeping in mind that the line which separates barriers to entry and strategic behavior is thin and diffuse. Institutional barriers to entry, mainly due to the behavior of lobbies, could survive; in this case, neoclassical economic theory does not have tools to explain how barrier to entry works.