This article deals with the incidence of consumers? heterogeneity on the formation of hedonic price functions with a focus on the emergence of market segmentation. Two major points are outlined: (i) in the presence of group-wise heterogeneity, consumers are endogenously gathered on intervals of...

The article highlights the role of heterogeneity in the formation of hedonic prices. The article distinguishes between continuous and groupwise heterogeneity. The distinction helps understanding two important points. First, the analysis of market equilibrium with groupwise heterogeneity makes...

This article deals with the impact of legislation in the seed sector on incentives for variety creation. The first category of rules consists in intellectual property rights and is intended to address a problem of sequential innovation and R&D investments. The second category concerns commercial...

This article deals with the impact of legislation in the seed sector on incentives for variety creation. Two categories of rules interact. The first category consists in intellectual property rights and is intended to address a problem of sequential innovation and R&D investments by the private...

Bien qu'il est généralement admis en économie publique que le fossé qui sépare l'approche positive des choix publics et leur approche normative implique l'existence de possibles pareto améliorations dans les choix en matière de dépense publique, il semble que l'économiste manque...

Les impôts locaux sont-ils gaspillés ?, by Marc Baudry Although public economists generally agree on the fact that the gap between the positive approach of local public choices on the one hand and their normative approach on the other hand entails the existence of potential pareto...

The article highlights the role of heterogeneity in the formation of hedonic prices. The article distinguishes between continuous and groupwise heterogeneity. The distinction helps understanding two important points. First, the analysis of market equilibrium with group wise heterogeneity makes...

In this paper, we address the problem of patent valuation. With this aim in view, we focus on the feasibility of a patent rating system. This leads us to develop a structural model of patent renewal decisions based on real options that links patent renewals and patent value and to estimate it on...

Public authorities often invoke the precautionary principle to ban or postpone the development of innovative projects with uncertain but potentially harmful irreversible impacts on the environment or health. As stated in the Rio declaration, the precautionary principle suggests balancing costs...