Nous proposons dans cet article, à partir des approches de Taylor (2008) et de Gouriéroux et Jasiak (2008), d'agréger différents modèles de quantiles et d'expectiles afin d'obtenir une méthode plus robuste de calcul de la valeur-en-risque et de la perte conditionnelle maximale en...

This paper is organized as follows : First we show that the reference to the notion of group selection is coherent with the other parts of Hayek's thought. Second we develop the idea that recent works in terms of the emergence and evolution of social norms corroborate in part Hayek's theses in...

In this paper we present a methodology to represent and measure knowledge which takes into account knowledge heterogeneity and its sectoral level theoretical and empirical implications in knowledge intensive environments. We draw on work on recombinant knowledge, extending the approach to...

This paper applies the methodological tools typical of social network analysis (SNA) within an evolutionary framework, to investigate the knowledge-base (KB) dynamics of the biotechnology sector. Knowledge is here considered a collective good represented as a co-relational and a...

In this paper, we present a methodology to represent and measure knowledge which takes into account knowledge heterogeneity and its sectoral level theoretical and empirical implications in knowledge intensive environments. We draw on work on recombinant knowledge, extending the approach to...