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Méthode d'évaluation contingente et Evaluation économique d'un projet de réserves naturelles dans le Golfe du Morbihan (France)

Abstract : This thesis is part of the context of a nature reserves program in the Gulf of Morbihan. Using contingent valuation (CV) method we estimate the economic benefits derived by tourist population from such a program, and discuss ways to recover these benefits. We estimate the benefits taking into account two issues not considered enough in the CV literature. 1) the potential sensitivity of the individuals to the payment vehicles proposed; 2) the possible existence of a selection bias related to one or several explanatory variables of the willingness to pay (WTP), selection bias which is in addition to usually controlled in CV studies, namely that corresponding to individuals' decision to pay or not. A survey was conducted in summer 2007 during which a sample of tourists stated their WTP through a home tax and another via an entrance fee. Our results show that the payment vehicles used affect the choice of the tourists to pay, on the one hand, and the amounts indicated, on the other. They also highlight the existence of the two types of selection bias suspected and therefore the need to control them when estimating the WTP model. Beyond these issues, the thesis shows that from tourists' point of view, there is an advantage to protect the Gulf of Morbihan's natural features through the implementation of nature reserves. Finally, in a hypothetical context of funding of these via the entrance fee whose amount would be estimated on the basis of the WTP obtained, this thesis discusses the practice of a single tariff, in a context of revenue maximization, and a differential tariff, in a context of equity.
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https://tel.archives-ouvertes.fr/tel-00649351
Contributor : Séverine Julien <>
Submitted on : Wednesday, December 7, 2011 - 5:06:03 PM
Last modification on : Tuesday, March 30, 2021 - 12:26:04 PM
Long-term archiving on: : Friday, November 16, 2012 - 2:45:29 PM

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Louinord Voltaire. Méthode d'évaluation contingente et Evaluation économique d'un projet de réserves naturelles dans le Golfe du Morbihan (France). Environnement et Société. Université de Bretagne occidentale - Brest, 2011. Français. ⟨tel-00649351⟩

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