Economic activity has weakened markedly in sub-Saharan Africa, and the strong growth momentum of recent years has dissipated in several countries. The IMF's latest Regional Economic Outlook for sub-Saharan Africa puts growth at 3¾ percent this year, lower than in 2009 in the aftermath of the global financial crisis. In this podcast, co-author Céline Allard, says low commodity prices, and tighter financing are key factors.