Burger, Ronelle; Booysen, Frikkie; Van der Berg, Servaas and Von Maltitz, Michael (2006): Marketable Wealth in a Poor African Country. Unpublished.
Van der Berg, Servaas; Louw, Megan and Burger, Ronelle (2007): Post-Apartheid South Africa: Poverty and Distribution Trends in an Era of Globalization. Unpublished.
Maia, Carlos and Van der Berg, Servaas (2010): When the remedy is worse than the disease: Adjusting survey income data for price differentials, with special reference to Mozambique. Unpublished.
