In den 1990er Jahren haben im deutschen und französischen Kreditgewerbe Restukturierungsempfehlungen international agierender Unternehmensberatungen Konjunktur. Der wohl prominenteste dieser Managementansätze firmiert unter der Bezeichnung Lean Banking und basiert auf einer vermeintlich...

Safety-first portfolio optimization is concerned with maximizing the expected portfolio return subject to a safety-first constraint, which is defined as the probability of failing to achieve a specified target. Commonly the target is assumed to be fixed, which, however, leads to significant...

This paper analyzes the safety-first portfolio model under two different target assumptions, the fixed target, which is commonly assumed in the literature, and the random target, which has played only a minor role so far. As both targets can be easily motivated, the open question is, which...

The need for monitoring countries’ overall performance in sustainable development (SD) is widely recognized, but the methods for aggregating vast amounts of empirical data remain rather crude. This paper examines the so-called ‘benefit of doubt’ weighting method as a tool for identifying...