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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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Understanding farmers’ uptake of organic farming: An application of the theory of planned behaviour AgEcon
Lapple, Doris; Kelley, Hugh.
Whilst the adoption of agricultural techniques has received considerable attention in the literature, the ability and willingness of potential adopters to change their current farming system is often overlooked. This paper is concerned with the intention of conventional farmers to convert to organic farming by using the social-psychology theory of planned behaviour. Drivers and barriers of conversion to organic farming are identified by applying a belief based concept, which is confirmed using principal component analysis. In addition, accounting for heterogeneity regarding farmers‟ environmental attitudes masks considerable differences, notably at intention, attitudes and control perceptions. Overall, results reveal that conversion is indeed affected by...
Tipo: Conference Paper or Presentation Palavras-chave: Organic farming; Theory of planned behaviour; Principal component analysis; Heterogeneity; Production Economics.
Ano: 2010 URL: http://purl.umn.edu/91949
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