The Validity of using Michael Porter's Five
Forces Analyze in Modern Corporate
Strategic Planning The Aim of the Analysis In 1980, a Harvard economist, Michael Porter published a
book called
Competitive Advantage in which he analyzed the different ways in which
companies can win
long-term competitive advantage. The primary thrust of the book (at least the part which has been quoted for so long that it has become a management mantra) is Porter's "Five Forces Theory." In this Five Forces model, Porter assumed that companies, when planning strategic survival, must do so within the framework of five forces: the force of suppliers, the force of buyers, the force of potential ..."