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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:Williams, Brian R. ; DeVuyst, Eric A. ; Peel, Derrell S.
  • 期刊名称:Journal of Food Distribution Research
  • 印刷版ISSN:0047-245X
  • 出版年度:2014
  • 出版社:Food Distribution Research Society
  • 摘要:Past value-added research employs hedonic pricing models to estimate premiums associated with value-added feeder cattle characteristics. However, hedonic pricing models require restrictive assumptions and impose a functional form. Producers also self-select into a treatment group, potentially biasing estimates. Using propensity score matching, we reduce potential bias from producer self-selection and from imposing a functional form. Results suggest that hedonic pricing models may be negatively biased in estimates of premiums received by value-added calf producers. Current adopters receive a premium of $5.38/cwt from participation in a certified preconditioning 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 preconditioning programs.
  • 关键词:feeder cattle;propensity score matching;selection bias;value-added marketing
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