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Valuing landslide risk reduction programs in the Italian Alps : the effect of visual information on preference stability.

Mattea, S. and Franceschinis, C. and Scarpa, R. and Thiene, M. (2016) 'Valuing landslide risk reduction programs in the Italian Alps : the effect of visual information on preference stability.', Land use policy., 59 . pp. 176-184.

Abstract

Climate change has increased the frequency and intensity of weather-related natural hazards everywhere. In particular, mountain areas with dense human settlements, such as the Italian Alps, stand to suffer the costliest consequences from landslides. Options for risk management policies are currently being debated among residents and decision makers. Preference analysis of residents for risk reduction programs is hence needed to inform the policy debate. We use discrete choice experiments to investigate the social demand for landslide protection projects. Given the importance of information in public good valuation via surveys, we explore the effect of specific visual information on the stability of preference estimates. In our survey, we elicit preferences before and after providing respondents with scientific-based information, based on visual simulations of possible events. This enables us to measure information effects. Choice data are used to estimate a Mixed Logit (MXL) model in WTP space to obtain robust estimates of marginal willingness-to-pay (mWTP) estimates and control for the effect of information. Mapping posterior individual specific mWTP estimates provide additional policy implications. Overall, we found the mWTP estimates to be dependent on information.

Item Type:Article
Full text:(AM) Accepted Manuscript
First Live Deposit - 16 September 2016
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1016/j.landusepol.2016.08.032
Publisher statement:© 2016 This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Record Created:16 Sep 2016 09:50
Last Modified:10 Sep 2017 00:51

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