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  • 标题:Reducing Self-Selection Bias in Feeder Cattle Premium Estimates Using Matched Sampling
  • 本地全文:下载
  • 作者:Brian R. Williams ; Eric A. DeVuyst ; Derrell S. Peel
  • 期刊名称:Journal of Agricultural and Resource Economics
  • 印刷版ISSN:1068-5502
  • 出版年度:2014
  • 卷号:39
  • 期号:1
  • 页码:124-138
  • 出版社:WAEA
  • 摘要:Past value-added research employs hedonic pricing models to estimate premiums associated withvalue-added feeder cattle characteristics. However, hedonic pricing models require restrictiveassumptions and impose a functional form. Producers also self-select into a treatment group,potentially biasing estimates. Using propensity score matching, we reduce potential bias fromproducer self-selection and from imposing a functional form. Results suggest that hedonicpricing models may be negatively biased in estimates of premiums received by value-added calfproducers. Current adopters receive a premium of $5.38/cwt from participation in a certifiedpreconditioning program, while nonadopters would realize $5.17/cwt by adopting certification.Hedonic model values range from $0.52/cwt to $4.32/cwt, for similar or identical preconditioningprograms.
  • 关键词:feeder cattle; propensity score matching; selection bias; value-added marketing
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