Comparing Individual-Specific Benefit Estimates for Public Goods: Finite Versus Continuous Mixing in Logit Models

Riccardo Scarpa, Kenneth G. Willis and Melinda Acutt
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Kenneth G. Willis: School of Architecture Landscape and Planning, University of Newcastle Upon Tyne
Melinda Acutt: Yorkshire Water

No 2004.132, Working Papers from Fondazione Eni Enrico Mattei

Abstract: Multi-attribute stated preference data, derived through choice experiments, is used to investigate the consequence of a finite number of preference groups in a sample of Yorkshire Water residential customers on the conditional distributions of willingness to pay in the sample. The research focuses on ‘public good’ values, and retrieves the implicit customer specific welfare measures conditional on a sequence of four observed choices. We assess and contrast the sample evidence for the presence of a finite number of 2, 3, 4 and 5 latent preference groups (classes), and contrast these with the presence of a continuous distribution of parameter estimates using mixed logit models. The main focus is the conditional valuations in the form of marginal values for the consequence of waste water handling and treatment, namely: river water quality, area flooding by sewage, presence of odour and flies, and other water related amenities.

Keywords: Choice experiments; Mixed logit; Latent classes; Individual-specific estimates; Non-market valuation (search for similar items in EconPapers)
JEL-codes: C25 C42 H41 (search for similar items in EconPapers)
Date: 2004-11
New Economics Papers: this item is included in nep-dcm
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:fem:femwpa:2004.132

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