Water supply services are Services of General Interest (SGI), subject to specific public service obligations, such as universality, continuity, quality, affordability, transparency, and consumer protection. There is an extensive empirical literature on the design of optimal prices. However,...

This paper presents and discusses the main features of a forest recreation survey. The first objective of the survey is the collection of primary data to be used in non-market valuation through the application of the travel cost and contingent behaviour methods. The second is to improve...

Este trabalho explora a metodologia Input-Output como uma alternativa válida para estudar interacções entre energia, ambiente e actividades económicas, tendo por desígnio a obtenção de resultados susceptíveis de apoiar estratégias e políticas que respeitem e promovam uma gestão...