Ce mémoire permet de présenter certaines problématiques liées aux achats informatiques et télécommunications, mais surtout de montrer que ces problématiques IT peuvent être tout aussi stratégiques que celles des achats industriels. En effet, les services achats IT sont conduits à mener...

Nowadays, forecasting what will happen in economic environments plays a crucial role. We showed that in PET market how a neuro-fuzzy hybrid model can assist the managers in decision-making. In this research, the target is to forecast the same item through another intelligent tool which obeys the...

Juris-Data is one of the largest case-study base in France. The case studies are indexed by legal classification elaborated by the Juris-Data Group. Knowledge engineering was used to design an intelligent interface for information retrieval based on this classification. The aim of the system is...

In time series analysis, most estimation of relationships and tests are typically based on linear estimators and most classical co-integration methods and causality tests are based on OLS regresses. However the linear functional specification is not necessarily the most appropriate form. This...

Forecasting in a risky situation is a very important function for managers to assist in decision making. One of the fluctuated markets in stock exchange market is chemical market. In this research the target item for prediction is PET (Poly Ethylene Terephthalate) which is the raw material for...

Malgré un usage répandu dans le secteur du commerce, le concept de business model (BM) reste largement à préciser. L'objectif de cet article est donc de mettre en évidence les éléments constitutifs d'un BM dans la distribution puis d'en dresser une première typologie. Nous sommes amenés...

Cet article a pour objet de montrer la manière dont le modèle 4C développé par Miller et Le Breton Miller (2010) complète l'approche de la stratégie par le business model. L'approche par le business model permet d'appréhender la stratégie à un niveau intermédiaire entre les grandes...

An industry's dominant logic is the general scheme of value creation and capture shared by its actors. In high technology fields, technological discontinuities are not enough to disrupt an industry's dominant logic. Identifying the factors that might trigger change in that logic can help...

One of the major challenges confronted by those in charge of technological innovation involves anticipating the value creation model sufficiently early on,in a highly uncertain context both as far as the technology itself is concerned and the potential market. Today, in many industrial sectors,...