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Mag. Bernhard Riederer Mag. Roland Teitzer 《?sterreichische Zeitschrift für Soziologie》2012,37(1):5-22
In the context of declining satisfaction with democracy in Austria, the article examines the importance of trust in state and politics for attitudes towards democracy. We assume that the social position influences attitudes towards democracy both, directly and indirectly via trust in politics. Data from the European Values Studies 1999 and 2008 are analyzed using Structural Equation Modeling. The results confirm that socioeconomic status affects attitudes towards democracy via trust (e.g. the lower people??s status, the less trust they express, and, thus, the less satisfied with the democratic system they are). In addition, findings support the proposition that personal experience is relevant to the constitution of trust, and indicate that trust in European Union becomes more important for attitudes towards democracy with time. 相似文献
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德国大力推广可再生能源新技术 化石能源将越来越短缺,并且价格不断上涨.全球1/4的温室气体排放来自能源消费. 相似文献
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Prediction of demand for professional sports is increasingly drawing the attention of economists. We apply linear mixed models for modeling attendance figures at Spanish professional football. We investigate economic variables, such as the price of the tickets or the size of the market, and sporting variables, such as the quality of a team or the level of competition within the league, as potential predictors of attendance. It turns out that a model with temporally correlated random team effects provides good forecasts of attendance at a time horizon of two seasons. Results from this model agree with economic theory. 相似文献
148.
Roland Rathelot 《商业与经济统计学杂志》2013,31(4):546-553
This article considers the issue of measuring segregation in a population of units that contain few individuals (e.g., establishments, classrooms). When units are small, the usual segregation indices, which are based on sample proportions, are biased. We propose a parametric solution: the probability that an individual within a given unit belongs to the minority is assumed to be distributed as a mixture of Beta distributions. The model can be estimated and indices deduced. Simulations show that this new method performs well compared to existing ones, even in the case of misspecification. An application to residential segregation in France according to parents’ nationalities is then undertaken. This article has online supplementary materials. 相似文献
149.
A new acceleration scheme for optimization procedures is defined through geometric considerations and applied to the EM algorithm.
In many cases it is able to circumvent the problem of stagnation. No modification of the original algorithm is required. It
is simply used as a software component. Thus the new scheme can be easily implemented to accelerate a fixed point algorithm
maximizing some objective function. Some practical examples and simulations are presented to show its ability to accelerate
EM-type algorithms converging slowly. 相似文献
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