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€ ™ s five forces Theory: Strategies. Two parts

€ ™ s Porter's five forces Theory: Strategies. Two parts

Despite the above-described well-structured model, Porter's five forces theory was criticized by the Grand. His main weak points as a result of the historical context in which it was developed. In the eighties, cyclical growth is okreolony global economy. Therefore, the main objectives of the company consisted of profitability and survival. The basic premise for achieving these goals was to optimize strategy in relation to the external environment. In the eighties, growth in most industries was stable, when compared with today's dynamics.

Overall, the significance of this model is reduced by the following factors: 1 The economic importance, the model supposes a classic perfect market. More industry is controlled, less understanding of the importance of the model can be given. 2. The formula is best used for market analysis simple structures. Description and analysis of five well-armed forces are very difficult to use in complex industries with many interdependencies

, product groups and segments. Very narrow concentration in some segments of these industries brings the risk of lack of significant items. 3. A model supposes a relatively static market structures. It is not the case with today's dynamic markets. Technological progress and dynamic market actors from start-ups can definitely change the business models, entry barriers and relationships, as well as the supply chain. 4. Porter's five forces theory can be used for further analysis of the situation. However, the advice does not provide significant preventive action. 5. Porter's model is based on the idea of \u200b\u200bcompetition. He Supposes that companies try to achieve competitive advantage over competitors in the market, as well as the suppliers and consumers. Porter's theory does not consider such strategies as strategic alliances, electronic linking of data systems of companies, value chain, virtual enterprise networks, etc.

Knights (1992, pp.