1. Aggregate agricultural supply response in Ethiopia: a farm-level analysis;Abrar;Journal of International Development,2004
2. Ayele, Gezahegn, Kelemework, Fasil, Alemu, Dawit, 2003. The provision of rural services and agricultural productivity in Ethiopia: a characterization. Phase 1 Report for the 2020 Vision Network’s East Africa Regional Project. Assessing the Impact of Policies for Rural Service Provision on Agricultural Productivity and Food Security, EARO/IFPRI, June 2003. International Food Policy Research Institute, Washington, DC.
3. The Conditions of Agricultural Growth;Boserup,1965
4. Input use and market development in Sub-Saharan Africa: an overview;Crawford;Food Policy,2003
5. An empirical study of cereal crop production and technical efficiency of private farmers in Ethiopia: a mixed fixed-random coefficients approach;Croppenstedt;Applied Econometrics,1997