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Using a Discrete Choice Experiment to Elicit Consumers’ WTP for Health Risk Reductions Achieved By Nanotechnology in the UK AgEcon
Erdem, Seda; Rigby, Dan.
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...
Tipo: Conference Paper or Presentation Palavras-chave: Discrete Choice Experiments; Nanotechnology; Nanosensors; Health Risks; Grids; UK; Health Economics and Policy.
Ano: 2011 URL: http://purl.umn.edu/108950
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Comparing the Conventional Stated Preference Valuation Technique with a Prediction Approach. AgEcon
Yadav, Lava; van Rensburg, Tom M.; Kelley, Hugh.
Stated preference techniques have been used to place values on public goods by directly asking individuals to provide their personal values and opinions. This method has consistently resulted in the emergence of hypothetical bias. Several insights from the psychology literature suggest that social desirability bias, a contributor to hypothetical bias, occurs when individuals face such direct questions. However, replacing the direct questions with an indirect one that asks for their predictions about other’s values can potentially eliminate this bias. In this study we employ both questioning formats in a choice experiment to make comparisons between the stated responses. Predicted willingness to pay is 2.5 and 3.1 times smaller than hypothetical values...
Tipo: Conference Paper or Presentation Palavras-chave: Stated Preference Techniques; Discrete Choice Experiments; Hypothetical Bias; Social Desirability Bias; Lake Wabegon Effect; False Consensus Effect; Willingness to Pay; Environmental Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/91728
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