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  1. Opposition to voluntary and mandated COVID-19 vaccination as a dynamic process: Evidence and policy implications of changing beliefs

    Article • Proceedings of the National Academy of Sciences, March 2022, Proceedings of the National Academy of Sciences

    Katrin Schmelz

  2. Overcoming COVID-19 vaccination resistance when alternative policies affect the dynamics of conformism, social norms, and crowding out

    Article • Proceedings of the National Academy of Sciences, June 2021, Proceedings of the National Academy of Sciences

    Katrin Schmelz

  3. Voluntary or mandatory? Motivational crowding-out in COVID-19 policies

    Article • Proceedings of the National Academy of Sciences, December 2020, Proceedings of the National Academy of Sciences

    Katrin Schmelz