Please use this identifier to cite or link to this item: https://hdl.handle.net/10316.2/35133
Title: Combining observed and contingent travel behaviour: the best of both worlds?
Authors: Cruz, Luís
Simões, Paula
Barata, Eduardo
Issue Date: 2014
Publisher: Imprensa da Universidade de Coimbra
Abstract: Os recursos naturais oferecem uma ampla gama de benefícios para a sociedade. Mas muitos destes recursos podem ser irremediavelmente perdidos. Considerando que os esforços de proteção ambiental envolvem custos de oportunidade, a avaliação económica é essencial para permitir aos decisores conhecer os benefícios líquidos das suas decisões, principalmente no caso de benefícios não incorporados nos preços de mercado. A literatura sobre a avaliação ambiental tem permitido desenvolvimentos significativos. Incidindo sobre os métodos utilizados para avaliar os benefícios relacionados com o uso recreativo de áreas naturais, este trabalho explora o potencial de combinar abordagens com base em preferências reveladas e declaradas. Conclui‑se que esta opção impõe esforços adicionais que no entanto serão compensados pela possibilidade de tirar proveito do melhor destes dois mundos.
Les ressources naturelles offrent une vaste gamme d'avantages pour la société. Mais beaucoup de ces ressources peuvent être perdus si des mesures actives ne sont pas adoptées. Considérant que la protection de l'environnement entraîne des coûts d'opportunité, l'évaluation économique est essentielle pour informer les décideurs sur les avantages nets de stratégies alternatives, surtout s'ils ne sont pas correctement reflétés dans les prix du marché. La littérature sur l'évaluation environnementale a été prolifère et développements significatifs ont été atteints. Mettre l'accent sur les méthodes utilisées pour évaluer les avantages liés à l'utilisation récréative des espaces naturels, cet article explore la complémentarité des approches fondées sur techniques de préférences révélées et énoncées. Nous concluons que rassembler le meilleur de ces deux mondes impose des efforts supplémentaires qui valent la peine.
Natural resources offer a wide range of benefits to society. But many of these resources can be irrevocably lost if active measures are not adopted. Considering that environmental protection endeavours involve opportunity costs, economic valuation is essential to inform policymakers about the full net benefits of alternative measures, mainly if they are not properly reflected in market prices. The literature on environmental valuation has been proliferating and significant developments have been achieved. Focusing on the methods used to evaluate the benefits related to the recreational use of natural areas, this paper explores the potential complementarity of approaches based on combined revealed and stated preferences techniques. We conclude that putting together the best of these both worlds imposes additional efforts that are worthwhile.
URI: https://hdl.handle.net/10316.2/35133
ISSN: 2183-203X
DOI: 10.14195/2183-203X_40_1
Appears in Collections:Notas Económicas

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