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...

Many developing countries are experiencing a food system transformation with a rapid growth of supermarkets. This supermarket growth can be attributed to demand-side factors such as rising incomes, urbanization, and changing lifestyles, as well as supply-side factors, such as market...

Individuals differ not only by gender and hair color, they also exhibit heterogeneities in various probably not fully genetically determined dimensions as personality, preferences and skills. Moreover, individuals live in different social environments and yield unequal life outcomes as health or...