• Instead of the traditional approach to competitive analysis focused on products and markets, the point of view of this theory is to consider the company as a set of resources that make up its competitive advantages. Therefore, it goes from the business portfolio to the portfolio of resources, skills and competencies used in different businesses. Within this framework, one of the lines of research that has aroused the greatest interest in recent years is the vision of the company based on knowledge, as demonstrated by the increasingly numerous studies devoted to this topic. This perspective is based on a conception of the company as a repository of knowledge, capable of generating and applying it (Grant, 1996; Conner and Prahalad, 1996). It is considered an extension of the Theory of Resources and Capabilities, in which knowledge is valued as the most valuable resource that the company can possess (Zack, 1999). Polanyi (1966) classifies knowledge into two large categories, namely: