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Consumers' Food Choices with Voluntary Access to Genetic Modification Information

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Listed:
  • Wuyang Hu
  • Michele Veeman
  • Wiktor Adamowicz
  • Ge Gao

Abstract

The effects on product choices of voluntarily accessed information are examined in the context of an experimental survey relating to genetically modified food. The data and analysis in this study avoid the assumption that information made available or given to consumers is equivalent to information processed by consumers. Instead we focus on information access behavior. Three different approaches to model this behavior are applied in a Bayesian estimation framework, including conditional logit (CL) models based on the full sample, ex post analysis of individual parameters from mixed logit models, and CL models within the different information scenarios. All three approaches give consistent results. However, the assumption of voluntary information access generates different results than assuming that all information is processed. The results of the analysis show that different types of information do have impacts on consumers' product choices. The nature of these effects appears to be influenced by voluntary access to information. Les répercussions de l'accès volontaire à l'information sur les choix de produits ont été examinées dans le cadre d'un sondage expérimental sur les aliments génétiquement modifiés. Dans la présente étude, l'hypothèse voulant que l'information offerte ou transmise aux consommateurs soit équivalente à l'information que les consommateurs trouvent d'eux‐mêmes a étéécartée. Nous avons plutôt mis l'accent sur le comportement face à l'accès à l'information. Pour modéliser ce comportement, trois méthodes différentes ont été appliquées dans une structure d'estimation bayésienne, à savoir des modèles logit conditionnels fondés sur l'échantillon complet, une analyse ex post des paramètres individuels tirés de modèles logit mixtes et des modèles logit conditionnels parmi les divers scénarios d'information. Les trois méthodes ont donné des résultats concordants. Toutefois, l'hypothèse de l'accès volontaire à l'information a généré des résultats qui différaient de ceux de l'hypothèse voulant que toute l'information soit traitée. Les résultats de l'analyse ont montré que différents types d'information ont des répercussions sur les choix de produits des consommateurs. La nature de ces répercussions semble être influencée par l'accès volontaire à l'information.

Suggested Citation

  • Wuyang Hu & Michele Veeman & Wiktor Adamowicz & Ge Gao, 2006. "Consumers' Food Choices with Voluntary Access to Genetic Modification Information," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 54(4), pages 585-604, December.
  • Handle: RePEc:bla:canjag:v:54:y:2006:i:4:p:585-604
    DOI: 10.1111/j.1744-7976.2006.00068.x
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    References listed on IDEAS

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    1. Rigby, Dan & Burton, Michael P. & Young, Trevor, 2005. "Precaution and Protectionism: GM Food and the WTO," 2005 International Congress, August 23-27, 2005, Copenhagen, Denmark 24447, European Association of Agricultural Economists.
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    Cited by:

    1. Gorm Kipperberg & Douglas Larson, 2012. "Heterogeneous Preferences for Community Recycling Programs," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 53(4), pages 577-604, December.
    2. Biguzzi, Coralie & Ginon, Emilie & Gomez-y-Paloma, Sergio & Langrell, Sergio & Lefebvre, Marianne & Marette, Stephan & Mateu, Guillermo & Sutan, Angela, 2014. "Consumers' preferences for Integrated Pest Management: Experimental insights," 2014 International Congress, August 26-29, 2014, Ljubljana, Slovenia 183081, European Association of Agricultural Economists.
    3. Luisa Menapace & Gregory Colson & Carola Grebitus & Maria Facendola, 2011. "Consumers' preferences for geographical origin labels: evidence from the Canadian olive oil market," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 38(2), pages 193-212, June.
    4. M. Lefebvre & C. Biguzzi & E. Ginon & S. Gomez-y-Paloma & S. R. H. Langrell & S. Marette & G. Mateu & A. Sutan, 2017. "Mandatory integrated pest management in the European Union: experimental insights on consumers’ reactions," Review of Agricultural, Food and Environmental Studies, Springer, vol. 98(1), pages 25-54, July.
    5. Lim, Kar Ho & Hu, Wuyang & Maynard, Leigh J. & Goddard, Ellen W., 2012. "Stated Preference and Perception Analysis for Traceable and BSE-tested Beef: An Application of Mixed Error-Component Logit Model," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 124784, Agricultural and Applied Economics Association.
    6. Hu, Wuyang, 2007. "A Choice Model with Systematic Structures in Decision Weights," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 32(3), pages 1-14, December.
    7. Matin, Anahita Hosseini & Goddard, Ellen, 2013. "A Comparative Analysis of Canadian Consumers’ WTP for Novel Food Technologies (Case of Juice Produced by Nanotechnology & Pork Chops Using Genomic Information)," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. 150461, Agricultural and Applied Economics Association.
    8. Gautam, Ruskin & Gustafson, Christopher R. & Brooks, Kathleen R., 2017. "Label Position and it Impacts on WTP for Products Containing GMO," 2017 Annual Meeting, July 30-August 1, Chicago, Illinois 258105, Agricultural and Applied Economics Association.
    9. Vlaeminck, Pieter & Jiang, Ting & Vranken, Liesbet, 2014. "Food labeling and eco-friendly consumption: Experimental evidence from a Belgian supermarket," Ecological Economics, Elsevier, vol. 108(C), pages 180-190.

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    1. Luisa Menapace & Gregory Colson & Carola Grebitus & Maria Facendola, 2011. "Consumers' preferences for geographical origin labels: evidence from the Canadian olive oil market," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 38(2), pages 193-212, June.

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