Today television programs produced by a few American companies, the Majors, are among the most popular with viewers. This dissertation examines the process of cultural uniformisation that has driven this phenomenon by focusing on commercial interactions in the global distribution market for...

This PhD dissertation combines the approaches of economic sociology and sociology of knowledge in order to analyze the social mechanisms underlying the conversion into organic farming. Based on an empirical study and analysis of a complete social network describing the interdependencies among...

À l'heure où les pouvoirs publics privilégient le « dialogue social » pour la mise en oeuvre de leurs politiques d'emploi et favorisent ainsi tant la négociation interprofessionnelle que la négociation d'entreprise, on peut s'interroger sur la place laissée à la branche, historiquement...

Poisson processes are used in various application fields applications (public health biology, reliability and so on). In their homogeneous version, the intensity process is a deterministic constant. In their inhomogeneous version, it depends on time. To allow for an endogenous evolution of the...

Informality is ubiquitous in most developing countries. Understanding the informal economy is therefore of utmost importance from a political, economic and social point of view. Paradoxically, despite its economic importance, knowledge is extremely limited regarding the informal economy. It...

The global minimum variance portfolio computed using the sample covariance matrix is known to be negatively affected by parameter uncertainty, an important component of model risk. Using a robust approach, we introduce a portfolio rule for investors who wish to invest in the global minimum...

For any TU game and any ranking of players, the set of all preimputations compatible with the ranking, equipped with the Lorenz order, is a bounded join semi-lattice. Furthermore, the set admits as sublattice the S-Lorenz core intersected with the region compatible with the ranking. This result...

Background Patent expiries on leading biologics are creating new momentum in the market for biosimilars (copies of off-patent biologics), paving the way for their development. However, little is known about the factors influencing the competition between biosimilars and their reference products...