The patent buyout price for human papilloma virus (HPV) vaccine and the ratio of R&D costs to the patent value

• Mario Songane ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: mario.songane@unifr.ch (MS); volker.grossmann@unifr.ch (VG)

  Affiliation Department of Economics, University of Fribourg, Fribourg, Switzerland

  https://orcid.org/0000-0001-9769-494X

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• Volker Grossmann

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: mario.songane@unifr.ch (MS); volker.grossmann@unifr.ch (VG)

  Affiliations Department of Economics, University of Fribourg, Fribourg, Switzerland, Institute for the Study of Labor (IZA), Bonn, Germany, CESifo, Munich, Germany

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