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Using a Discrete Choice Experiment to Elicit Consumers’ WTP for Health Risk Reductions Achieved By Nanotechnology in the UK

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  • Erdem, Seda
  • Rigby, Dan

Abstract

We present research findings on consumers’ willingness to pay (WTP) for reductions in the level of foodborne health risks. The research addresses how such valuations are affected by the means of which the risk reduction is delivered and the methods of risk presentations used in choice tasks. In this case, the research has two treatments. In the first treatment, the comparison is between risk reductions achieved by an improvement in the food system in general (e.g., more stringent regulations and inspection regimes) within the slaughter and meat processing stages of the food chain, as opposed to a risk reduction achieved via innovations in food packaging using nanotechnology, which is the use of nanosensors in packaging. If there is a contamination in packaging, nanosensors reveal a colour change on the packaging material. In the second treatment, the comparison is between valuations of risk reductions in which reductions in risks are presented via absolute values and grids and absolute values together. Both comparisons are achieved via split sample Discrete Choice Experiment surveys. The difference between consumers’ valuations of foodborne risk reductions provides an implicit value for nanotechnology (i.e., WTP to avoid) and the effect of risk grids on choices people make. General results show the existence of heterogeneity in British consumers’ preferences. The effects of nanosensors and risk grids on consumers’ choices are not strong across the models. The valuations of health risk reductions show some variations across the models in both treatment groups.

Suggested Citation

  • Erdem, Seda & Rigby, Dan, 2011. "Using a Discrete Choice Experiment to Elicit Consumers’ WTP for Health Risk Reductions Achieved By Nanotechnology in the UK," 85th Annual Conference, April 18-20, 2011, Warwick University, Coventry, UK 108950, Agricultural Economics Society.
  • Handle: RePEc:ags:aesc11:108950
    DOI: 10.22004/ag.econ.108950
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    References listed on IDEAS

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    1. Marette Stéphan & Roosen Jutta & Bieberstein Andrea & Blanchemanche Sandrine & Vandermoere Frederic, 2009. "Impact of Environmental, Societal and Health Information on Consumers' Choices for Nanofood," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 7(2), pages 1-27, December.
    2. Greene, William H. & Hensher, David A. & Rose, John, 2006. "Accounting for heterogeneity in the variance of unobserved effects in mixed logit models," Transportation Research Part B: Methodological, Elsevier, vol. 40(1), pages 75-92, January.
    3. Giuseppe Nocella & Lionel Hubbard & Riccardo Scarpa, 2007. "Consumer trust and willingness to pay for certified animal-friendly products," Working Papers in Economics 07/09, University of Waikato.
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    Keywords

    Health Economics and Policy;

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