1. Obtaining useful data on household incomes from surveys;Alderman,1993
2. The economic lives of the poor;Banerjee;Journal of Economic Perspectives,2007
3. Testing alternative measures of microenterprise profits and net worth;Daniels;Journal of International Development,2001
4. Consumption;Deaton,2000
5. de Mel, Suresh, McKenzie, David and Woodruff, Christopher (2007) “Returns to Capital in Microenterprises: Evidence from a Field Experiment”, World Bank Policy Research Working Paper No. 4230.