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Article History

Received: 13 August 2018

Accepted: 4 November 2018

First Online: 28 November 2018

Authors’ information

: CH is a professor and director of the “Institute for International Research on Sustainable Management and Renewable Energy” (ISR) at HfWU. SC and JL are both former students of Institut d’Études Politiques d’Aix-en-Provence, where the interviews and the subsequent analysis were carried out. SC is a recent graduate of Institut d’Etudes Politiques de Rennes and JL is a graduate student at ESCP Europe Business School.

: Ethics approval is not applicable; informed consent was obtained from all individual participants included in the study.

: Not applicable.

: The authors declare that they have no competing interests.

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