Funding for this research was provided by:
James Martin 21st Century Foundation (LC1213-006, LC1213-006)
Institute for New Economic Thinking (INET12-9001, INET12-9001)
Article History
Received: 21 February 2018
Accepted: 12 October 2020
First Online: 2 November 2020
Competing interests
: The authors declare that they have no competing interests.