... Updating and Estimating a Social Accounting Matrix Using Cross Entropy Methods* by Sherman Robinson Andrea Cattaneo and Moataz El-Said1 International Food Policy Research Institute Washington, D.C., ... University, and IFPRI Finally, we have also greatly benefited from comments by two anonymous referees Sherman Robinson, IFPRI, 2033 K street, N.W Washington, DC 20006, USA Andrea Cattaneo, IFPRI, 2033 K ... Washington, DC 20006, USA Andrea Cattaneo, IFPRI, 2033 K street, N.W Washington, DC 20006, USA Moataz El-Said, IFPRI, 2033 K street, N.W Washington, DC 20006, USA Abstract The problem in estimating a...