While genetic tests can reveal the ancestry of enslaved individuals, strontium analysis can now home in on where they actually grew up.

Sub-Saharan Africa could reap significant benefits from its growing ... Designing migration policies calls for proper balance of economic, political, and social considerations. Furthermore, the ...

This risks a conflict between climate mitigation ambitions and Africa ... and political instability. That makes it more difficult for them to influence climate policy. 3. Sub-Saharan African ...

and political risk, especially armed conflicts. Reducing risk should greatly improve the attractiveness of holding assets in sub-Saharan Africa and, therefore, raise domestic investment and saving ...