Disadvantages of five forces model by Michael porter?

Answer 1

In the economic sense, the model assumes a classic perfect market. The more an industry is regulated, the less meaningful insights the model can deliver.

· The model is best applicable for analysis of simple market structures. A comprehensive description and analysis of all five forces gets very difficult in complex industries with multiple interrelations, product groups, by-products and segments. A too narrow focus on particular segments of such industries, however, bears the risk of missing important elements.

· The model assumes relatively static market structures. This is hardly the case in today's dynamic markets. Technological breakthroughs and dynamic market entrants from start-ups or other industries may completely change business models, entry barriers and relationships along the supply chain within short times. The Five Forces model may have some use for later analysis of the new situation; but it will hardly provide much meaningful advice for preventive actions.

· The model is based on the idea of competition. It assumes that companies try to achieve competitive advantages over other players in the markets as well as over suppliers or customers. With this focus, it dos not really take into consideration strategies like strategic alliances, electronic linking of information systems of all companies along a value chain, virtual enterprise-networks or others.

Overall, Porters Five Forces Model has some major limitations in today's market environment. It is not able to take into account new business models and the dynamics of markets. The value of Porters model is more that it enables managers to think about the current situation of their industry in a structured, easy-to-understand way as a starting point for further analysis.