The objective of this article is to analyze the impact of capital structure on profitability. This impact can be … structure on profitability. The empirical analysis allowed us to distinguish three different groups of sectors: for the first … group (industry, energy and service), the capital structure has no impact on profitability. The second group, containing …

devices for sharing and learning clearly identified knowledge in the oil industry domains. This work is based on a pilot study … aspects in the areas of knowledge where efforts are to be made in terms of capitalising, sharing, learning and transfer. …

, collaborative learning and post-normal science, and suggests a dialogue framework that highlights the strong points of each as …

scientific theory, using the concepts of epistemology, and puts in prominent positions models, association of objects with …

Research on epistemological foundations is fruitful to understand the different e-learning models and not just to … negotiation of Meaning). In these three perspectives the different e-learning models are then discussed: "just in time" model …