The German banking system came under pressure during the financial crisis, not least due to its significant exposure to toxic assets which originated in the US. In the short run, the stability of the system has been achieved, in large part through substantial government support measures....

An optimal design problem is considered for processor-sharing service systems, where the number of customers served simultaneously is limited to a fixed finite number (called multiplicity). The decision variable is the multiplicity and the optimal criterion is to minimize the mean number of...