For the student it is clear from the outset that what is at stake is not just academic hair splitting but practical arguments relating to decisions which will affect the welfare and even the survival of many poor people. This concern will make a 'heavy' book, in both senses, attractive and effective in an educational role.--'International Affairs' "The book presents a sound, careful methodology for project analysis based on efforts of agricultural specialists...Care has been taken to make the technical topics discussed understandable to those without advanced training in economics."--'Economic Planning'