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11.
Ageing in Europe     
For many people all over Europe, there is an understanding and an expectation that in old age they will be taken care of by the state. High social security contributions throughout the three or four decades of a working life are rationalised by the prospect of a straightforward transition out of the labour force when the time comes. While this was a reasonable expectation in decades past, a number of factors have combined to cause people all across the continent to feel very anxious about what awaits them once it is time to exit the labour force into retirement. The well-documented demographic transition of many rich European countries is a big factor, as greying populations start to weigh on the sparser younger generations, leading to increasing dependency ratios that would cause any social security system to buckle. The Great Recession has not helped matters, and the austerity measures still crippling many vulnerable European nations will not make anyone in these countries feel optimistic about their post-working lives. The following papers look at different threads of the new reality of ageing in Europe, from pension reform and prolonging the working life to more qualitative aspects such as an analysis of the quality of life of the elderly across Europe. They serve to inform and advise on an important issue that will affect everyone in Europe at some point in their lives.  相似文献   
12.
At present, social changes are summarized under the term digitalization. At first glance, this requires the development of new concepts, theories, and methods. This article takes a critical look at this assumption. Perceived changes can be understood as an opportunity to work out the constants of human communication. To clarify this argument, in the first part of the article we compare two perspectives: digitalization as changes in reality versus digitalization as a changed view of reality.Digitization is the conversion of continuous signals into discrete signals. While this technical process is more or less irrelevant for communication science, the related social process is of particular concern. However, to a large extent, what constitutes the social side of digitization is unclear. So far, digitalization can probably best be understood as a form of mediatization. Since mediatization is regarded as a social metaprocess, the concept of digitalization lacks empirical substance and the definition of the term remains vague.Due to the lack of meaning, we view digitalization as a change in the way we observe things. From this perspective, we explain the popularity of the concept of digitalization with the help of organizational theories. Following neo-institutionalist arguments, the digitalization discourse can be understood as an identity-forming communication flow. This is reflected in the positioning of the players in the texts that preceded this article. Representatives of standardized social research and interpretative social research present their conceptions of the discipline. Moreover, digitalization can be seen as a rationalized myth. Such myths reflect the expectations of the environment; they are adopted without considering their efficiency. The discipline adopts the attribute, digital, because it has a high positive connotation in the environment of communication science. Ultimately, digitalization appears to be a kind of heuristic for structuring the field with political implications, but not as a theoretically valid research category.Assuming that digitalization is a rationalized myth, consequences can be drawn for the development of theory and methods. We prove the benefit of this changed perspective by discussing the constitutive concepts of communication science. On the theoretical side, many studies have investigated on the topic of public communication. One topos of this research is the blurring of boundaries, e.?g. between public and private or public and interpersonal communication. Instead of highlighting the changes, we seek to determine what remains constant. Traditionally, the public has been associated with mass media and social outcomes. Upon closer inspection and when considering basic communication models, this connection has always been problematic. The blur is caused by definitions of the term and not by changes in the social world. To solve this problem, we propose a redefinition of publicness at the level of interpersonal communication.Methodologically, many approaches have been developed over the past years. For example, webometrics, digital methods and computational methods are promising fields of innovation. However, it is completely unclear how these methods relate to classical methods, such as surveys, content analyses, or observations. If web mining is about tracking user behaviors (digital traces) that were not created for scientific research (process-generated data), it can be seen as a kind of observation. For example, log file analysis is characterized as an observation method in classical methodological textbooks. But the same criterion also applies to websites. Websites are artifacts of human behavior that, for the most part, are not produced for scientific purposes. However, their analysis is usually seen as content analysis, not as observation.This comparison of methods demonstrates that even the distinction between classical methods is unclear. To solve this problem, we propose to better differentiate the different levels involved in the research process. Data collection can be understood as the transfer of empirical facts into data by observation. Data preparation would then be the transformation of data into datasets. Content analysis is a type of data preparation technique. Data analysis transforms data sets into substantial statements about the world. For example, statistics are used for this purpose. New methods can be better located in these known categories. Webometrics, digital methods and computational methods are examples of the automation of the research pipeline components, e.?g. as automated data collection or automated data preparation.We conclude that focusing on continuity offers an opportunity to improve proven concepts and methods instead of replacing them with vague terms. Therefore, we plead for observing continuity in the context of change and not using digitalization and its inherent metaphor of transformation as a lens for analyzing social change.  相似文献   
13.
It has become widely accepted that teachers are important in facilitating student learning. Hundreds of empirical studies have tried to explain differences in student performance by evaluating the impact of particular teacher characteristics. Yet, this topic has not been the subject of a systematic review for more than 10 years, even though most of the empirical evidence has emerged over the past decade. This study provides an up‐to‐date review, drawing on empirical findings from several countries and distinguishing between acquired and sociodemographic teacher characteristics. This review confirms the existing consensus that subject‐related degrees and knowledge, and not general teacher certifications, are positively related to student performance and particularly so for Master's degrees in math and science. A new insight is that recent findings point out that teacher experience continues to contribute to student test scores throughout a teacher's career, instead of merely the first few years. An important future research avenue would be to examine which mechanisms can explain these teacher characteristic effects.  相似文献   
14.
A board of directors forms one of the pillars of a robust corporate governance framework. Board diversity can offer both challenges and opportunities for a company. In this article we investigate whether diversity of a board influences company performance as well as the change in company performance for the Top 100 South African companies listed on the Johannesburg Securities Exchange in 2013–2015. Tobin’s Q and Return on Assets are used as performance measures. Our findings show that the proportion of women on a board, the number of directors with a business qualification and board size are significantly positively related with the performance of South African companies, whereas the ethnic diversity of a board is significantly negatively related with the performance of South African companies.  相似文献   
15.
The aviation industry in Germany is one of the growing industry sectors and generates more than half of its revenues abroad. As a high-tech and knowledge-intensive sector, the aviation industry relies on a highly skilled work force as well as technical innovations. Effective research and development are therefore essential for the industry’s international competitiveness. Especially global trends open up positive development prospects for Germany’s aviation industry. To improve the economic conditions of the industry sector, companies as well as political and scientific actors have joined forces in regional sector networks.  相似文献   
16.
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