The authors contend that as o result of both the evolutionary process - phylogenetic approach, and of the development as a unique individual ontogenetic approach, the human being is to be considered in his threefold dimension: biological, psychological and social. However, the market economy, by emphasizing o pragmatic view in the organizational milieu, scales down these complex dimensions reducing the individual to a mere mean of production, and depriving him from his historical framework and role: pursuing human welfare. El propósito de este artículo es mostrar como en el proceso de evolución de la especie humana-perspectivo filogenética, y como individuo único-perspectiva ontogénetica-, es pertinente estudiar al ser humano en tres di...