During 2014-15, Gregory has been conducting research on supply chains of artisanally mined gold from DR Congo, via Uganda to the UAE. The first four reports have been published and here are links to them:
http://www.oecd.org/daf/inv/mne/Gold-Baseline-Study-1.pdf
http://www.oecd.org/daf/inv/mne/Gold-Baseline-Study-2.pdf
http://www.oecd.org/daf/inv/mne/Gold-Baseline-Study-3.pdf
http://www.oecd.org/daf/inv/mne/Gold-Baseline-Study-4.pdf
The fifth study, on the UAE, is on its way…