Opinion – Gift, ungratefulness and management. Suicide and desengagement at work The gift theory as it was elaborated by Mauss and his successors helps to understand that the plant represents a place of social ties production, as well as a place for goods production. These ties, which produce...

The design and topology of a neural network is still an important and difficult task. To solve the problems of topology posed by the introduction of connexionism, new approaches are proposed, and especially a combination of induction rules with a statistical estimation of the neuron coefficients...

Open market share repurchases are strictly regulated to prevent companies from profiting from insider information. We examine compliance with these rules in France, where the mandatory disclosure of share repurchases provides detailed information on repurchases actually undertaken. Using a...