Cet article est organisé de la façon suivante: dans un premier temps nous montrons que la référence à la notion de sélection de groupe n’est pas incohérente avec les autres éléments de la pensée hayékienne. Nous développons ensuite l’idée que les travaux récents en matière...

In 2009, France is expected to create a new minimum income guarantee called "revenu de solidarité active" (RSA) in order to replace several existing programmes. It should benefit those in work according to a degressive schedule that reminds one of the negative income tax or universal basic...

[eng] The diffusion of a new technology of production depends on both its own characteristics in terms of profit and technical capabilities and the general conditions for investment.. This paper aims to explicit how diffusion processes are the combined result of investment behaviours and...

[eng] C. Antonelli - Costs and productivity in the textile firms,as a function of their size. The purpose of this note is to analyse total cost and productivity by size of firm in the Italian cotton and wool industry in the second half of the seventies. The analysis is broken down into the...