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...

The nature of food insecurity has been changing in the world. While research on food insecurity in developing countries used to focus on undernourishment (i.e. lack of calorie consumption) and related outcomes, today, many developing countries face at least a “double burden of malnutrition”...