This paper highlights the relationships between environmental policy and the structure of the environmental goods and services industry. It first provides a short history of the latter sector and briefly describes its main segments and economic trends. The impact of particular policy...

We propose a dynamic graph-theoretic model for ecosystem management as a control over networked system composed of target nodes and unmarked nodes. The network is represented by a complete graph, in which all vertices are connected by a unique edge. Target nodes are attracted by the objective...

It is commonly found that uncertainty helps discipline economic agents in strategic contexts. Using a stochastic variant of the Nash Demand Game, we show that the presence of uncertainty may have a dramatically opposite effect. Cautious (efficient) and dangerous (inefficient) equilibria may...

It is well known that an efficient pollution taxation scheme should charge each source according to its specific marginal contribution to social damages. Despite significant advances in environmental assessment, geographic information systems and data analysis, this requirement would impose...

Dans le contexte de la Nouvelle Économie, le rôle du leader est beaucoup moins de diriger des exécutants que de mobiliser leur connaissance et leur intelligence. Par conséquent, il est préférable pour les leaders d'adopter un point de vue résolument éclectique sur l'ensemble des...