Fliess, Barbara A.; Idsardi, Ernst; Rossouw, Riaan - 2017
calculated tracking over 20 years the relative global performance of the local mining and processing industries, for the specific …-automatic export licensing requirements and outright export bans. The industries are manganese in Gabon, lead in South Africa, copper … in Zambia and chromite in Zimbabwe. For the empirical analysis the Revealed Comparative Advantage (RCA) index is …