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...

Ensuring a sufficient level of food for the population in both quantitative and qualitative terms is a priority for most countries as well as for governmental and non-governmental bodies – be they national, regional or international. The United Nations (UN) stresses the fact that one of the...

The state of global food security has been considerably improved in the last decades; however, these achievements are attributable to the “green revolutions” in Latin-America and Asia. The food shortage has remained persistent in Sub-Saharan Africa, where the proliferation of...