Lehmann, Robert http://orcid.org/0000-0001-6684-7536
Funding for this research was provided by:
ifo Institut – Leibniz-Institut für Wirtschaftsforschung an der Universität München e.V.
Article History
Received: 6 September 2019
Accepted: 14 February 2020
First Online: 5 March 2020