Mohler, Lukas
Weder, Rolf
Wyss, Simone
Funding for this research was provided by:
WWZ Forum
Staatssekretariat für Wirtschaft Seco
Article History
Received: 15 May 2017
Accepted: 10 December 2017
First Online: 5 June 2018
Competing interests
: The authors declare that they have no competing interests
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