Scandinavian Working Papers in Economics

Working Papers in Economics,
University of Gothenburg, Department of Economics

No 131: Evaluating the welfare effects of improved water quality using the choice experiment method

Hala Abou-Ali and Fredrik Carlsson
Additional contact information
Hala Abou-Ali: Department of Economics, School of Economics and Commercial Law, Göteborg University, Postal: Box 640, SE 405 30 GÖTEBORG
Fredrik Carlsson: Department of Economics, School of Economics and Commercial Law, Göteborg University, Postal: Box 640, SE 40530 GÖTEBORG

Abstract: This paper analyzes the welfare effects of improved health status through increased water quality using a choice experiment. The survey was administered to a random sample of households in metropolitan Cairo, Egypt. We apply a random parameter logit model in the analysis and illustrate the richness of information that can be obtained from this type of model by estimating individual level willingness to pay(WTP). We find a significant WTP for improved health status, both for short-run and long-run health effects. However, the estimated WTP is fairly low compared with the costs of a program that would achieve these improvements.

Keywords: Choice experiment; Health; Water quality; Willingness to pay

JEL-codes: C25; I10; Q25

17 pages, May 6, 2004

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