This study uses newly available representative data from German business services firms and a continuous treatment approach based on the generalized propensity score to test for a causal effect of R&D activities (measured by the share of engineers and natural scientists in all employees) on the...

This paper contributes to the literature by providing the first evidence on the link between innovation activities (measured by the share of engineers and scientists in the workforce) and exports of German business services firms based on a large representative longitudinal sample of...

We analyze the privatization of highway firms, focusing both on the sale of the shares of these firms and the tenders organized by the highway firms for the maintenance of the highways network. If a public works firm buys shares of a highway firm, tenders become inefficient and the revenue of...

This paper studies alliances through a methodological device based on simulation. The model results, compared to the photographic industry evolution, allows to formalize its dynamics. Diversity appears as the essential engine of the adaptation, implying various strategies of alliances in term of...

Pourquoi le meilleur des apprentis ne parviendra-t-il jamais exactement au même niveau de maîtrise que son maître ? La question de l’application et du transfert des compétences est essentielle pour beaucoup d’organisations. Dans les organisations qualifiées de « professionnelles »,...

While the insurance demand is very well documented in other countries, French research in this area is scarce, mainly because of the difficulty to have access to detailed data. This PhD uses data provided by a major health insurance company. We first build a joint modelling for both insurance...

Bien qu'elle soit encore assez peu usitée, la notion de capital immatériel représente une source non négligeable de création de valeur au sein des réseaux bancaires.Trois composantes distinctes mais interconnectées entre elles, sont à l'origine de ce concept.