Socially desirable responding (SDR) is an often-reported source of bias in survey interviews. It describes the tendency of a respondent to answer in a way that is socially desirable rather than to answer truthfully. This response bias also threatens the reliability and validity of survey-based...

Mit Methoden zur Umweltbewertung, die - wie die interviewgestützte Contingent Valuation Methode - auf der Messung individueller Präferenzen basieren, lässt sich der Wert einer Umweltveränderung umfassend bestimmen, aber sie erweisen sich in der Praxis oft als zu teuer. Durch die Verwendung...

Survey based valuation techniques like the Contingent Valuation Method (CVM) rely particularly on the premise of respondents' rationality when answering willingness to pay (WTP) questions. Results of CVM surveys have repeatedly put this fundamental assumption into question. This study adopts a...

Estimating the value consumers place on farm animal welfare (FAW) provides information on the extent to which consumers are ready to support policy changes aim at improving the welfare of farm animals and developing animal-friendly production systems that can also compete on markets. The current...