**Author details**

David Fourie1 \* and Cornel Malan2

1 School of Public Management and Administration, Faculty of Economics and Management Sciences, University of Pretoria, Pretoria, South Africa

2 Independent Industry Advisor, Lyttelton, South Africa

\*Address all correspondence to: prof.djfourie@up.ac.za

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
