Does mandatory labeling of genetically modified food grant consumers the right to know? : evidence from an economic experiment


Dannenberg, Astrid ; Scatasta, Sara ; Sturm, Bodo


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URL: http://ub-madoc.bib.uni-mannheim.de/2007
URN: urn:nbn:de:bsz:180-madoc-20075
Document Type: Working paper
Year of publication: 2008
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: THES_SOZ: Q51 C91 Q18 ,
Subject headings (SWD): Gentechnisch verändertes Lebensmittel , Kennzeichnung <Recht> , Warenkennzeichnung , Verbraucherverhalten , Marktselektion , Experiment
Individual keywords (German): Bevölkerung , Mannheim
Keywords (English): labeling , genetically modified foods , consumer preferences , experimental auctions
Abstract: Opponents of the voluntary labeling scheme for genetically modified (GM) food products often argue that consumers have the “right to know” and therefore advocate mandatory labeling. In this paper we argue against this line of reasoning. Using experimental auctions conducted with a sample of the resident population of Mannheim, Germany, we show that the quality of the informational signal generated by a mandatory labeling scheme is affected by the number of labels in the market. If there are two labels, one for GM products and one for non-GM products, mandatory and voluntary labeling schemes generate a similar degree of uncertainty about the quality of products that do not carry a label.
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Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.




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Dannenberg, Astrid ; Scatasta, Sara ; Sturm, Bodo (2008) Does mandatory labeling of genetically modified food grant consumers the right to know? : evidence from an economic experiment. Open Access [Working paper]
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