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This paper generalizes some aspects of polymatroid theory to partially ordered sets. The investigations are mainly based on Faigle and Kern, Submodular Linear Programs on Forests, Mathematical Programming 72 (1996). A slightly modiied concept of submodularity is introduced. As a consequence the main results do not require any assumptions concerning the(More)
Aim of the study was to evaluate whether late enhancement (LE) in contrast-enhanced MRI can be used to characterize fibrofatty myocardial replacement in patients with arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC). Fifteen patients with suspected ARVC underwent CE-MRI using a 1.5 T scanner. Long and short axis SSFP cine images and(More)
Systemic risk from financial intermediaries (FIs) refers to a negative externality problem which is rife with fallacy of composition type errors. To 'see' why seemingly rational behaviour at the level of an individual FI contributes to system wide instability is a non-trivial exercise which requires holistic visualization and modelling techniques. Paradox(More)
a a Deutsche Bundesbank b LMU Munich This paper investigates contagion in the German inter-bank market under the assumption of a stochastic loss given default (LGD). We combine a unique data set about the LGD of interbank loans with detailed data about interbank exposures. We find that the frequency distribution of the LGD is markedly U-shaped. Our(More)
Coercive Measures in Child and Adolescent Psychiatry To keep the use of coercive measures in child and adolescent psychiatry low or reduce them completely, there needs to be a specific knowledge of the starting point. The study provides an overview of the current situation using a systematic literature review of published studies from the European and the(More)
Pharmacotherapy of children and adolescents with psychotropic medication ongoing public debate in Germany. Increasing use of psychotropic medication was sometimes interpreted as overprescribing. In this systematic review prescribing patterns of stimulants, antidepressants and antipsychotics for children and adolescents and its development from 2000 to 2012(More)
Discussion Papers represent the authors' personal opinions and do not necessarily reflect the views of the Deutsche Bundesbank or its staff. Abstract Critics claim that capital requirements can exacerbate credit cycles by restricting lending in an economic downturn. The introduction of Basel 2, in particular, has led to concerns that risk-sensitive capital(More)
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