2001
DOI: 10.1006/jeem.2000.1138
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Do Hypothetical and Actual Marginal Willingness to Pay Differ in Choice Experiments?

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Cited by 437 publications
(270 citation statements)
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“…Mark and Swait (2004) come to the same conclusion with regard to physicians' evaluation of an alcohol medication and actual prescribing decisions.Still other studies cast doubt on the validity of the CV method (see, e.g., Hausman, 1993;Nocera et al, 2002) or suggest superiority of DCE over CV (Ryan, 2004) Outside health, the criterion validity of DCE has been tested on several occasions, causing Louviere (1988) to conclude that DCE constitute a valid instrument for explaining and predicting individual behavior on actual markets. More recently Carlsson and Martinsson (2001) observed that measured WTP for a public good did not differ much between a DCE with hypothetical payments and a subsequent DCE with real payments. However, in a control group that was only confronted with actual payments, WTP was substantially lower (Johansson-Stenman and Svedsäter, 2003).…”
Section: Validitymentioning
confidence: 99%
“…Mark and Swait (2004) come to the same conclusion with regard to physicians' evaluation of an alcohol medication and actual prescribing decisions.Still other studies cast doubt on the validity of the CV method (see, e.g., Hausman, 1993;Nocera et al, 2002) or suggest superiority of DCE over CV (Ryan, 2004) Outside health, the criterion validity of DCE has been tested on several occasions, causing Louviere (1988) to conclude that DCE constitute a valid instrument for explaining and predicting individual behavior on actual markets. More recently Carlsson and Martinsson (2001) observed that measured WTP for a public good did not differ much between a DCE with hypothetical payments and a subsequent DCE with real payments. However, in a control group that was only confronted with actual payments, WTP was substantially lower (Johansson-Stenman and Svedsäter, 2003).…”
Section: Validitymentioning
confidence: 99%
“…Regarding this hypothetical bias, the results of previous CVM studies are inconsistent. Some studies cannot confirm any difference between hypothetical and actual WTP (Carlsson andMartinsson 2001, Sattler andNitschke 2003) whereas, for example, Johannesson et al (1998) support a hypothetical bias by documenting that the hypothetical WTP exceeded the respondents' actual WTP.…”
Section: Conceptual Framework Literature Review and Expectationsmentioning
confidence: 99%
“…Zudem können ce von einer, gegenüber FS wesentlich ausgereifteren, Methodenforschung profitieren. Die Ergebnisse zur externen Validität weisen insgesamt auf eine erstaunlich hohe Übereinstimmung der hypothetischen mit realen entscheidungen hin, und dies selbst bei stark sozial erwünsch-ten Verhaltensweisen wie der Bereitschaft, Aufpreise für ökologische Produkte zu zahlen (Blamey und Bennett 2001;carlsson und Martinsson 2001;Louviere et al 2000;Louviere und timmermanns 1992;telser und Zweifel 2007).…”
Section: Diskussion Und Resümeeunclassified