Robuta

https://www.aeaweb.org/articles?id=10.1257/jel.49.2.366 Natural Resources: Curse or Blessing? - American Economic Association Natural Resources: Curse or Blessing? by Frederick van der Ploeg. Published in volume 49, issue 2, pages 366-420 of Journal of Economic Literature, June 2011,... natural resources curseblessingamericaneconomicassociation