- Correspondence to Nicole Vellios, Research Unit on the Economics of Excisable Products, School of Economics, University of Cape Town, Cape Town, 7700, South Africa;
- Received July 24, 2020
- Revised November 27, 2020
- Accepted November 30, 2020
- First published February 25, 2021.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.