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11.
Marcel Fratzscher Bert Rürup Jochen Pimpertz Christoph Butterwegge Stephan Leibfried Kerstin Martens Uwe Schimank 《Wirtschaftsdienst》2017,97(5):315-332
Democracy seems to be at risk. People elect populists and autocrats, who offer simple solutions to social problems. Often, these problems are not even real ones but are only perceived as such. Economists have measures to determine which problems are fact-based, but they cannot draw a clear distinction between academic analysis and normative demand. If politics pursues a correction of a market outcome, any normative criteria other than efficiency have to be outlined explicitly. Nevertheless, some authors consider inequality one of the central contemporary social and economic challenges. Marcel Fratzscher emphasises that the solution is not found in more redistribution via taxes and transfers, but rather through greater equality of opportunity and social and educational mobility. Bert Rürup thinks that to stabilise the acceptance of the compulsory pension scheme, the dominance of the equivalence principle should be reduced. Further, the existence of different federal subsidy schemes should be replaced by a fixed federal contribution rate in alignment with the pension expenditures. In an international comparison, the fiscal burden for households with small and mid-level earned incomes is exceptionally high in Germany. In order to reduce this burden, Rürup suggests a contribution-free allowance for the social insurance contributions. 相似文献
12.
Every successful communication process requires a certain degree of self-disclosure. However, both in real life and on social network sites like Facebook, self-disclosure does not imply a total sacrifice of privacy. People rather tend to disclose one part of the self while keeping another one protected. In doing so, it is less important where the protective line is drawn, but that a line is drawn at all. This basic principle of conditional self-disclosure can be applied in diverse strategies. An online survey among German Facebook users (n = 684) examined this assumption. Items for a scale of subjective privacy regulation were derived from Burgoon’s four dimensions of privacy. Based on user’s varying emphasis on these privacy dimensions, seven different types of privacy management could be distinguished. Among these, six different strategies of conditional self-disclosure were observed (?chatty“, ?blogging“, ?networking“, ?sorting“, ?passive“, and ?inexperienced“). Only ?careless“ users did not follow our expectations, attaching none of the measured protective conditions to their self-disclosure. 相似文献
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When the subprime crisis started to emerge, collateralized products based on credit default swap (CDS) exposures combined with security features seemed to be a more rational alternative to classic asset backed securities. Constant Proportion Collateralized Debt Obligations (CPDOs) are a mixture of Collateralized Debt Obligations (CDOs) and CPPIs with inverse mechanism. This new asset aims at meeting the investors’ demand for credit derivatives with security enhancements, but to our knowledge quantitative approaches for pricing other than simulation algorithms do not exist yet. CPDOs became famous notably by Standard & Poor’s rating model error which illustrated that closed-form analytical pricing is necessary in order to evaluate and understand complex derivatives. This article aims to shed a light on CPDOs’ specific structural enhancements and mechanisms. We quantify inherent risks and provide a dynamic closed-form pricing formula. 相似文献
16.
Kornelia Konrad Jochen Markard Annette Ruef Bernhard Truffer 《Technological Forecasting and Social Change》2012,79(6):1084-1098
This article investigates the interplay of expectation dynamics and innovation processes at the level of organizations and at the innovation system level. We examine how different kinds of organizations contributed and responded to a recent hype and disappointment cycle in the field of stationary fuel cells. Among others, we trace how innovation and discourse activities changed and we explain the observed differences in strategic responses. We show that the sensitivity of organizations to expectation dynamics depends on at least three factors: the strategic embedding of the new technology, the organization's dependence on external legitimacy and its role in the innovation system. Moreover, we show that – in their aggregation – strategic responses affected the level of the technological innovation system as well. Not only did the pace and direction of innovation activities change, but structures such as actor constellations and institutions were also modified. Our study thus provides insights into the interplay of expectation and innovation dynamics, which is important for our understanding of larger transformation processes, e.g. toward more sustainable modes of energy supply. 相似文献
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Jochen Runde 《Review of social economy》2013,71(2):183-208
Both the Information Theoretic Economics and Austrian Economics investigate the impact on market activity of problems of information and knowledge. The conceptions of information and knowledge they employ, however, as well as their respective views on and treatment of economic agency, are quite different. The purpose of this paper is to examine these differences, not primarily from an abstract philosophical point of view, but by looking at substantive examples of the economics offered by the two approaches. An attempt is made to explain the Austrian preference for non-formalist approaches to economic analysis. 相似文献
18.
Although evidence of a link between socioeconomic status and child health has been researched extensively, much less attention
has been devoted to studying the link between child health and cognitive development. This paper seeks to determine whether
early childhood illnesses and poverty significantly impede cognitive development. The empirical model attempts to control
for observed and unobserved heterogeneity through the use of panel data models. Results indicate that a child’s cognitive
development is not directly related to health problems acquired after birth or socioeconomic standing. Rather, cognitive development
is primarily influenced by unobserved child- and family-specific factors that happen to be correlated with health and socioeconomic
status. On the other hand, birth weight appears to affect cognitive performance later in childhood, even after taking unobserved
heterogeneity into account. 相似文献
19.
pAVK: Wann ist Kompression erlaubt? - Eine periphere arterielle Verschlusskrankheit
(pAVK) gilt meist als Kontraindikation für eine komplexe Kompressionstherapie
– nicht immer zum Nutzen des Patienten. Bei strenger Indikationsstellung und intensiver
Betreuung k?nnen jedoch auch diese Patienten von der Behandlungsform profitieren. 相似文献
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