Guidolin, Massimo; La Ferrara, Eliana - 2005 - Rev
using microeconomic data for Angola. We focus on diamond mining firms and conduct an event study on the sudden end of the … news" rather than "good news" for companies holding concessions in Angola, as their abnormal returns declined by 4 …
abundant country using microeconomic data for Angola. We focus on diamond mining firms and
conduct an event study on the sudden …