We consider voting games as procedures to aggregate individual preferences. We survey positive results on the nonemptiness of the core of voting games and explore other solutions concepts that are basic supersets of the core such as Rubinstein's stability set and two types of uncovered sets. We...

To be able to manage the processes it is essential to possess information on the current progress of the processes as well as past performance. This requires to create for each process particular indicators that measure its performance. By comparing the past values of indicators the process...