On-Site Sampling in Economic Valuation Studies
2007 (English)Licentiate thesis, comprehensive summary (Other academic)
A commonly used sampling design in economic valuation studies is on-sitesampling. If this sampling design is used, the sampling inclusion probabil-ities may be correlated with respondents’ valuations, invalidating welfaremeasures derived from estimates of the probit model. This problem is re-ferred to a length-bias, a problem discovered in other fields of applicationof statistics.The first paper in this thesis outlines different application fields thathave length-bias problems and the suggested model solutions in the litera-ture are presented.The second paper of this thesis proposes a model based on the bivariateordinal probit, a model that can be used to analyze binary choice CV datagathered by on-site sampling. The models is presented, the log-likelihoodis derived, and the properties of the MLE’s are illustrated using a smallsimulation study. The simulation results show the proposed estimator tobe an interesting alternative.
Place, publisher, year, edition, pages
Umeå: Umeå universitet , 2007. , 11 p.
, Statistical studies / Department of Statistics, University of Umeå, ISSN 1100-8989 ; 36
Sample inclusion; Length-bias; Poisson dis- tribution; ML-estimation; Bivariate ordered probit; CVM.
Research subject Statistics
IdentifiersURN: urn:nbn:se:su:diva-87056ISBN: 978-91-7264-405-2OAI: oai:DiVA.org:su-87056DiVA: diva2:600728
List of papers