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...

The French family policy targets three objectives: ensuring a minimum standard of living for every child, providing families with the same standard of living than people without children, promoting female employment. Although the French family policy has been successful in terms of fertility...

Casella and Robert (1996) presented a general Rao--Blackwellisation principle for accept-reject and Metropolis-Hastings schemes that leads to significant decreases in the variance of the resulting estimators, but at a high cost in computing and storage. Adopting a completely different...