摘要：Several researches evaluated consumers’ Willingness To Pay (WTP) for each meat traceable attribute, generating a lot of information in this regard, although related to the conditions of each study. In light of this, WTP estimates for traceability characteristics largely differ across the literature, leading sometimes to contrasting interpretations. Seeking a full, meaningful statistical description of the findings of a collection of studies, the meta ‐ analysis allows us analyzing the consistency across studies and controlling for factors thought to drive variations in WTP estimates. The meta ‐ analysis has been conducted of 23 studies that, in aggregate, report 92 valuations for WTP.
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