Exploring Spatial Sources of Preference Heterogeneity for Landslide Protection

Stefania Mattea [Ph.D]


This paper explores the sources of preference heterogeneity for landslide protection, with a special focus on spatial determinants. The data were collected using a stated preference survey of landslide hazards in an Italian mountain valley, using a best-worst ranking approach, in-person interviews, and site-specific choice sets. Preference heterogeneity is analyzed using individual and spatial variables with a focus on the importance of geographical characteristics, spatial error components, and landslide locational effects. Results from spatial choice models reveal the importance of accounting for spatial heterogeneity at different levels, given that taste variations were present at both individual and municipality levels. (JEL C35, Q54)

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