This paper investigates the extent to which world market price changes are transmitted through changes in border prices into local producer prices for four agricultural product markets in Tanzania: sugar, cotton, wheat and rice. The changes in the marketing channels for each of these products...

Barrett proposes that objective food price risk differs between rural and urban areas of infrastructure-poor economies characterised by spatially concentrated patterns of foodgrains storage. This difference implies an urban bias having adverse welfare effects for peasants who seasonally switch...

This thesis addresses 3 different aspects of food and poverty related problems in developing countries. The first essay presents a new operational concept of transaction costs that firstly allows assessing the magnitude and secondly recognizing the non homogeneity of food products. This is...