Funding for this research was provided by:
ZEW – Leibniz-Zentrum für Europäische Wirtschaftsforschung GmbH Mannheim
Article History
Received: 18 November 2023
Accepted: 19 September 2025
First Online: 12 December 2025
Declarations
:
: The authors declare no competing interests. Data used for this paper is available upon request.