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Methods matter: a meta-regression on the determinants of willingness-to-pay studies on biofortified foods

Methods matter: a meta-regression on the determinants of willingness-to-pay studies on biofortified foods

De Steur, Hans, Wesana, Joshua ORCID: 0000-0003-1970-6241, Blancquaert, Dieter, Van Der Straeten, Dominique and Gellynck, Xavier (2016) Methods matter: a meta-regression on the determinants of willingness-to-pay studies on biofortified foods. Annals of the New York Academy of Sciences, 1290 (1). pp. 34-46. ISSN 0077-8923 (Print), 1749-6632 (Online) (doi:https://doi.org/10.1111/nyas.13277)

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Abstract

Following the growing evidence on biofortification as a cost-effective micronutrient strategy, various researchers have elicited consumers’ willingness to pay (WTP) for biofortified crops in an effort to justify and determine their adoption. This review presents a meta-analysis of WTP studies on biofortified foods, either developed through conventional breeding or using genetic modification technology. On the basis of 122 estimates from 23 studies (9507 respondents), consumers are generally willing to pay 21.3% more for biofortified crops. Because WTP estimates are often determined through different valuation methods and procedures, a meta-regression was carried out to examine the role of potential determinants. Aside from contextual factors, such as type of food crop, target nutrient, and region(but not breeding technique), various methodological factors significantly influence premiums, including the type of respondent, nature of the study, study environment, participation fee, and provided information. The findings allow researchers to better anticipate potential methodological biases when examining WTP for (biofortified) foods,while it gives policy makers a broad understanding of the potential demand for different biofortified crops in various settings.

Item Type: Article
Uncontrolled Keywords: biofortification, economic valuation, willingness to pay, meta‐analysis, consumer
Subjects: S Agriculture > S Agriculture (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Food & Markets Department
Last Modified: 22 Jul 2020 03:30
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: REF 2
URI: http://gala.gre.ac.uk/id/eprint/28340

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