1. Department of Economics, University of Massachusetts Amherst, Massachusetts, USA
2. DSI/NRF South African Research Chair in Industrial Development, University of Johannesburg, Johannesburg, South Africa
3. Colin Powell School, City University of New York (USA), New York, New York, USA
4. DSI/NRF/Newton Fund Trilateral Research Chair in Transformative Innovation, the 4th Industrial Revolution and Sustainable Development, University of Johannesburg, Johannesburg, South Africa