There is a strong consensus that an expanding and prosperous
industrial sector is crucial to the structural transformation of
African economies and that, given the ubiquity of market fail
-
ures, industrial policy interventions are usually required. Markets
by themselves are also generally incapable of undertaking the
kinds of structural transformation needed to move from low- to
high-productivity activities.
http://www.uneca.org/publications/economic-report-africa-2014