… , Cecilia Tacoli, Gordon McGranahan, David Satterthwaite (2015), IIED Human Settlements Working Paper Reframing the debate on … and food security , Cecilia Tacoli and Bill Vorley (2015), IIED Briefing Paper Urban informality and building a more inclusive, … economy, Donald Brown, Gordon McGranahan and David Dodman (2014), IIED Human Settlements Working Paper Urbanisation concepts and trends , …