Distinguishing protest responses in contingent valuation: A conceptualization of motivations and attitudes behind them

• Ulrich J. Frey ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: ulrich.frey@dlr.de

  Affiliation German Aerospace Center, Stuttgart, Germany

  http://orcid.org/0000-0002-9803-1336

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• Frauke Pirscher

  Roles Conceptualization, Investigation, Writing – review & editing

  Affiliation Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany

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