fluctuated markets in stock exchange market is chemical market. In this research the target item for prediction is PET (Poly … concepts, satisfied the research question considerably. In normal situation the model forecasts a relevant trend and can be …

a neuro-fuzzy hybrid model can assist the managers in decision-making. In this research, the target is to forecast the … both Fuzzy Systems and Neural Networks, satisfy the research question considerably. …

. This article dedicated to this question through the analysis of the first innovation survey of Tunisian firms. We analyze … the relationship between the export behaviour and the innovation propensity of the firms as it can be qualified using … innovation survey in Tunisia. Our results show that firms that address both the domestic and foreign demands (partial- exporters …

and a theory of continuing, quantitative growth. J. Schumpeter argued forcibly in favour of the development approach while …

This article is dedicated to the analysis of the first innovation survey of the Tunisian firms. Starting from basic … mechanisms of innovation processes, we test a set of conjectures adapted to a developing country like Tunisia. We analyze the … from external knowledge sources in order to exhibit significant innovation propensities. The large size is also a necessary …

, research, transfer and innovation, in a better informed manner. …; the sense of solidarity. And paradoxically we are also losing creativity, initiative, genuine innovation and generating … offering alternatives? What role should universities play in the reduction of inequalities? What is innovation at social or …