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Insurance guarantee schemes aim to protect policyholders from the costs of insurer insolvencies. However, guarantee schemes can also reduce insurers’ incentives to conduct appropriate risk management. We investigate stock insurers’ risk-shifting behavior for insurance guarantee schemes under the two different financing alternatives: a flat-rate premium assessment versus a risk-based premium assessment. We identify which guarantee scheme maximizes policyholders’ welfare, measured by their expected utility. We find that the risk-based insurance guarantee scheme can only mitigate the insurer’s risk-shifting behavior if a substantial premium loading is present. Furthermore, the risk-based guarantee scheme is superior for improving policyholders’ welfare compared to the flat-rate scheme when the mitigating effect occurs.
Regionale Wettbewerbsfähigkeit der Metropolregionen FrankfurtRheinMain und Stuttgart im Vergleich
(2013)
Ressourcen und Potenziale in Hessens Betrieben : Abschlussbericht des IAB Betriebspanels Hessen 2012
(2013)
The concept of length, the concept is synonymous, the concept is nothing more than, the proper definition of a concept ... Forget programs and visions; the operational approach refers specifically to concepts, and in a very specific way: it describes the process whereby concepts are transformed into a series of operations—which, in their turn, allow to measure all sorts of objects. Operationalizing means building a bridge from concepts to measurement, and then to the world. In our case: from the concepts of literary theory, through some form of quantification, to literary texts.
We would study not style as such, but style 'at the scale of the sentence': the lowest level, it seemed, at which style as a distinct phenomenon became visible. Implicitly, we were defining style as a combination of smaller linguistic units, which made it, in consequence, particularly sensitive to changes in scale—from words to clauses to whole sentences.
The amino acid content (alanine/arginine, glutamine, proline, taurine) of five different lichen species (Evernia prunastri, Hypogymnia physodes, Parmelia sulcata, Physcia adscendens, Xanthoria parietina) from different parts of Germany and NW France with different atmospheric nitrogen depositions was determined.
The study revealed that the so called nitrophytic lichen species (Physcia adscendens, Xanthoria parietina) had no higher amino acid contents as compared with the other species. The amino acid contents of five different lichen species from the same tree varied without regard to the nitrophily of the species. The contents of amino acids of the lichen species studied from Bonn is four to twelve times higher as in the same species in the Vosges Mountains, France. The amount of amino acids in nitrophytic species (Xanthoria parietina, Physcia adscendens) from a region with high load of atmospheric nitrogen (35 kg/y/ha) is in average 5 times higher than in the same species from a region with low nitrogen immission (16 kg/y/ha).
It can be concluded that the amino acid contents of lichens reflects the atmospheric nitrogen load and that the amino acid content of so called nitrophytic lichen species is not higher as in other species, that lichens are passive sampler and take up the available nitrogen but make no use of it but store it as amino acids. On the other hand, the conductivity of the cell liquid (as a measure of the osmotic pressure) of nitrophytic lichen species is higher as compared with non-nitrophytic species. Thus the “nitrophily” of these species is presumably not based upon the facility to higher nitrogen uptake but osmotic tolerance against the salt effects of nitrogen compounds. Within nitrophytic species, the osmotic values of Phaeophyscia orbicularis are double as high as those from Physcia adscendens, which is explained by the higher tolerance of Phaeophyscia against dry deposition. The higher osmotic values of nitrophilous lichen species lead to the conclusion that they are also drought resistant species and occur in regions with low humidity where they are more competitive than other lichen species.
The IMFS Interdisciplinary Study 2/2013 contains speeches of Michael Burda (Humboldt University ), Benoît Coeuré (European Central Bank), Stefan Gerlach (Bank of Ireland and former IMFS Professor), Patrick Honohan (Bank of Ireland), Sabine Lautenschläger (Deutsche Bundesbank), Athanasios Orphanides (MIT) and Helmut Siekmann as well as Volker Wieland.
This study contains articles based on speeches and presentations at the 14th CFS-IMFS Conference "The ECB and its Watchers" on June 15, 2012 by Mario Draghi, John Vickers, Peter Praet, Lucrezia Reichlin, Vitor Gaspar, Lucio Pench and Stefan Gerlach and a post-conference outlook by Helmut Siekmann and Volker Wieland.
Obgleich Staaten im Kontext asymmetrischer Konflikte prinzipiell danach streben, nicht-staatlichen Gewaltakteuren Anerkennung und Legitimität vorzuenthalten, wird dieser Doktrin des Nicht-Dialogs weltweit zunehmend zuwider gehandelt. Der Doktrin der Nicht-Anerkennung steht eine Praxis der internationalen, politischen Anerkennung solcher Gruppen entgegen. Doch welchen Einfluss haben die Nicht-Anerkennung und die von internationalen Drittparteien gewährte Anerkennung auf die Gewaltanwendung nicht-staatlicher Gewaltakteure? Die Geschichte der palästinensischen Widerstandsgruppen Fatah (1962 bis 1993) und Hamas (1987 bis 2008) eignet sich, diesen Fragen auf den Grund zu gehen, da sie durch Akte der Anerkennung und Nicht-Anerkennung einerseits und Prozesse der Eskalation und De-Eskalation andererseits geprägt ist. Es zeigt sich, dass eine Strategie der graduellen Anerkennung unter bestimmten Bedingungen zur De-Eskalation nicht-staatlicher Gewalt beitragen kann.