Stockhausen, Maximilian http://orcid.org/0000-0002-6340-6142
Funding for this research was provided by:
Institut der deutschen Wirtschaft Köln e.V. (IW)
Article History
Received: 27 August 2018
Accepted: 22 February 2021
First Online: 8 August 2021
Declarations
:
: The author declares that there is no conflict of interest.