It gives us immense pleasure to publish the Engineering Economics and Management book for B.E. students and also serve the needs of MBA students as well as of those undertaking professional courses. Economics and Management are essential for engineering, true engineering is managing man, money and machines. Engineers have not remained merely professional technicians many of them manage their own or others business where they have to take various decision. They are required to apply economics and management concepts, tools of analysis and economic theories so that organization will be more competitive. Thus, the principles of economics and management can be applied in many of life’s situations. Whether the future finds you reading the newspaper, running a business or leading a nation you will be glad that you studied economics and management.