The market-based procurement of system services for network operators is gaining momentum in the current debate about the future market design in the energy sector. Since current sources of reactive power are primarily fossil-fuel power plants which will not be available in a carbon neutral...

With a growing number of distributed energy resources, the electricity network is challenged with a higher quantity of technical problems such as capacity congestions and over- or under-voltages. One often-discussed approach to solve these problems, especially in the European zonal electricity...

Space is an important dimension in agricultural markets because of the relatively high transport costs and the high spatial concentration of food production. However, only a few studies consider space as a factor. This doctoral thesis bridges the gap. First, the analytical results for all...