This article examines the performance of incubators because their economic model implies constantly finding external sources of financing. In order to evaluate the performance of incubators in France, we questioned 404 entrepreneurs in 80 incubators. The results show the social utility of...

We develop an overlapping generations general equilibrium model with two re- gions. Only one of the regions is subject to an international environmental exter- nality. We find that regions that are too poor to sufficiently offset the international externality imposed upon them may be stuck in a...

This paper deals with elective surgery planning under several scarce resources. We use a Mixed Integer Program model to determine the best admission policy at the tactical level, with the objective of minimising the weighted deviations of the expected resources consumptions from their target...

Based on French data describing the characteristics of the entrepreneurs and their project, this paper studies the differences between the determinants of survival for innovative and non-innovative micro-enterprises. We show that the survival of innovative and non-innovative enterprises is...

In this article, we propose a method to evaluate enterprise creation projects based on the study of profiles of entrepreneurs and project teams, as well as external factors. This method is based on the theories of human capital and social capital, notabl

The aim of this paper is to understand and analyze the evolutions of the spin-off process in French large companies based on its practice in ten of them. Through this work, we propose a first modelling of this practice. Spin-off is for us a multiform phenomenon which relates to three types of...

In this article, we propose a value creation model based on the principle of the chain of value in corporate management. We particularly endeavour to show the incidence of a relevant allowance of a company's resources on its profitability, by distinguishing on one hand the activities that are...

Technological innovation is not exclusive to great industrial groups. Sometimes, innovative and dynamic companies emerge in high-tech sectors and constitute a serious threat for some industry giants. However, the high reactivity of these small companies is generally impaired by problems of...