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Testing on-site sampling correction in discrete choice experiments
Institution:1. Rosen College of Hospitality Management, University of Central Florida, 9907 Universal Blvd., Orlando, FL 32819, United States;2. School of Tourism and Hospitality Management, Temple University, 1810 N. 13th Street, Speakman Hall 111, Philadelphia, PA 19122, United States;1. Department of Economics, Accounting and Finance, University of La Laguna, 38071 La Laguna, S/C de Tenerife, Spain;2. Department of Applied Economics and Quantitative Methods University of La Laguna, 38071 La Laguna, S/C de Tenerife, Spain;1. Departamento de Ciencias de la Tierra, Centro Andaluz Superior de Estudios Marinos, Universidad de Cádiz, Campus de Puerto Real, 11510, Puerto Real, Spain;2. Department d’Economia, Universitat de Girona, Facultat de Ciències Econòmiques i Empresarials, Campus Montilivi, 17071, Girona, Spain;3. Faculdade de Ciências e Tecnologias, Centro de Investigação Marinha e Ambiental, Universidade do Algarve, Campus de Gambelas, 8005-139, Faro, Portugal;1. Jiangsu Provincial Academy of Environmental Science, Nanjing 215011, PR China;2. Jiangsu Provincial Key Laboratory of Environmental Engineering, Nanjing 215011, PR China;3. State Key Laboratory of Pollution Control & Resource Reuse, School of Environment, Nanjing University, Nanjing 210093, PR China
Abstract:This study uses truncated Poisson regression to correct endogeneity of discrete choice experiments (DCEs) with data from on-site sampling, which has been commonly used to collect samples in the field of tourism research. We find that goodness of fit of model is significantly improved with on-site sampling correction. Estimated parameters with onsite sampling correction also match the predictions of economic theory better. Estimated willingness to pay for attributes are substantially underestimated due to sample selection bias. These results question the use of DCEs without on-site sampling correction for tourism policy making.
Keywords:On-site sampling bias  Discrete choice experiments  Black-faced  Spoonbill reserve  Wildlife tourism  Visitor WTP
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