This paper determines which are, among different type of gravity model, those best adapted to the study of the evolution of trade of several economic areas and of the heterogeneity of the behaviors of the countries constitutive of these zones (fixed effect model; random effect model; model with...

The processes of localization/delocalization of activities attest that space is important in firm’s strategies. Merger and acquisition contributes too modify the spatial organization of firms. This paper aims at analyzing the spatial organization at the level of groups of firms. The conceptual...

The aim of this paper is to analyze the impact of household income on private transfers in Russia on the basis of altruism, exchange and risk sharing hypotheses. Econometrical investigations, with Russia Longitudinal Monitoring Survey data for 2002, show that private transfers can’t be...

While sustainable development is a unanimously accepted watchword today, we wish to show that the post Keynesian school, even if it did not emphasize on environmental issues and, generally speaking, on sustainable development as such, has tools that make it relevant on this topic. Indeed, post...

Our paper analyses the free software opportunities for developing economies. First we consider the adoption’s dimension. We show that they seem to be a credible option to support the computerization of these countries. Indeed, the free software could be an alternative to the piracy. Second we...

From a voluntary production, free software fulfil to be broadly diffused on the market side. The commercial success of these software is attented by an active participation in their development from a large number of firms. We explain this participation by the opportunities of free software...

The residential sphere is developing according to householders localization and revenue. The sphere division (residential, productive and public) is difficult to apply because the frontiers are blurred, but it is useful to take into account new economic evolutions.\r\nThe residential sphere...

This article analyzes the technical and organizational dynamics on which the strategies of the European aircraft manufacturer are founded. The point of view developed is that refocusing on architect-integrator activities, increasing modular decomposition of the process of building airplanes and...