744 research outputs found

    Occupational mobility within and between skill clusters: an empirical analysis based on the skill-weights approach

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    This paper applies Lazear\u27s skill-weights approach (2009) to analyze the specificity of skill combinations of various occupations and its effects on occupational mobility and wages. The results show that the more specific an occupation, the smaller the probability of an occupational change. We also identify clusters of occupations characterized by similar skill combinations and find that employees in specific occupations have a comparatively higher probability of changing occupations within a skill cluster than between skill clusters. Moreover, occupational mobility within a skill cluster results in wage gains, while between clusters it results in wage losses. Therefore, the acquired skill combination and the resulting skill cluster, rather than the occupation per se, crucially determines mobility. Thus, for educational policies, it is more important to study whether a skill cluster is sustainable than an occupation. (DIPF/Orig.

    The determinants of strategic partnerships in research and development (R&D) - a regional comparison among the German federal states

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    The systematic co-operation in R&D involving two or more enterprises or companies working with research organisations, suppliers, customers or even competitors has become a popular instrument of strategic management. As new empirical results from the IfM Bonn show, more than a quarter of all enterprises in the industrial sector and the industry-related services in Germany are participating in strategic partnerships of this kind. Strategic partnerships in R&D, which lead to new products or process innovations, have positive effects on a firm´s competitive position. Governmental policy in Germany has recognized its importance for the economy and therefore provides financial aid for R&D-active enterprises. From the perspective of regional science the question is whether R&D co-operations have gained equal popularity all over the country or whether significant regional differences have to be taken into account. This paper examines determinants on enterprises participating in R&D co-operations with particular emphasis on regional influences. Data from a postal questionnaire was taken to form a sample of approx. 950 enterprises located all over the country. To establish the determinants and their relative influence a logistic regression is estimated. Further regional comparisons in R&D activities are carried out by chi-square-tests. The results of the bivariate analyses highlight regional differences in partnerships between enterprises and research organisations. It is remarkable that enterprises in the federal states which have the biggest problems in coping with structural changes, the East-German states, participate significantly more frequently in these partnerships than their West-German counterparts. However, the results of the logistic regression provide no evidence for regional differences concerning R&D co-operations on the whole. Not the location but structural features of the enterprises matter. For instance, plant size is positively associated with R&D co-operation: larger enterprises are more cooperation-oriented than smaller enterprises. Furthermore, the analysis identifies company-specific conditions that enable them to join R&D co-operations. Besides that, emphasis is put, for example, on experiences with other forms of strategic partnerships. The presence of company-owned R&D facilities is another requirement to find a chance to co-operate in most of the cases. Other variables such as the degree of monopoly power or the market structure do not influence the plant´s capacity to join R&D partnerships.

    The politics of NGOs : empowering marginal groups in a climate of micro-management and distrust

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    The role of peak NGOs in Australian civil society is considered crucial for representing marginal groups in the public and policy arena. The Howard government had particularly challenged the advocacy, coordination, information, research and policy role of peak NGOs. Instead of dealing with NGOs, the Howard government developed a \u27governing through communities\u27 process establishing new arrangements between the Federal government and local communities. It is of concern that \u27governance through communities\u27 may directly erode the values of voluntary association, broad representation of diverse groups in society and may negate non-instrumental political relations that NGOs aim to contribute to a healthy democracy. How the new Rudd government relates to peak NGOs is thus worthy of close analysis to understand what democratic role especially peak NGO\u27s will play in Australian civil society.<br /

    Presenting GECO : an eyetracking corpus of monolingual and bilingual sentence reading

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    This paper introduces GECO, the Ghent Eye-tracking Corpus, a monolingual and bilingual corpus of eye-tracking data of participants reading a complete novel. English monolinguals and Dutch-English bilinguals read an entire novel, which was presented in paragraphs on the screen. The bilinguals read half of the novel in their first language, and the other half in their second language. In this paper we describe the distributions and descriptive statistics of the most important reading time measures for the two groups of participants. This large eye-tracking corpus is perfectly suited for both exploratory purposes as well as more directed hypothesis testing, and it can guide the formulation of ideas and theories about naturalistic reading processes in a meaningful context. Most importantly, this corpus has the potential to evaluate the generalizability of monolingual and bilingual language theories and models to reading of long texts and narratives

    Reading in a second language : a corpus study

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    Seeing self and world: everyday photography and young male adults with autism spectrum disorder

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    With digital image technologies proliferating in contemporary visual culture, the ubiquity of photographs suggests people produce, consume and share photographs widely and routinely, in multiple contexts and with different meanings attached to them. Creating these photographs involves decisions, actions and interventions the photographer makes to guide the viewer and convey a particular message. Illuminating the ways in which photography enables one specific, often overlooked group – young male adults with Autism Spectrum Disorders (ASD) – to visually express the ways they see self and the world, this thesis develops a more inclusive understanding of everyday photographic practices. From the literature that has been reviewed for this study, there has been no investigation that offers a systematic and rigorous approach to empirical enquiry in an effort to explore the photographic image-making of young autistic male adults. The area that has been researched extensively is how autistic people perceive gaze patterns and focus on facial expressions in picture communication systems. While recent studies consider photography and analyse visual perception in ASD, there has been little collaborative discussion in the literature that encompasses autistic people’s own everyday photographic image-making and self-reflective thoughts. This study is one of the first to address this knowledge gap. The methodological framework developed for this qualitative investigation includes participatory visual research methods, and positions this study at the intersection of the recent advances in visual methodologies, and participatory creative methods. Using thematic analysis, the study identified key findings across two dimensions of ASD individuals’ photographic image-making; namely, the phenomenological and social dimensions. Participants’ insights were not only deeply fascinating in their own terms, but also challenged dominant assumptions of digital photography. This qualitative study underlines the importance of multiple senses in the act of taking photographs, while expanding an understanding of what constitutes autistic people’s visual and social worlds. The contribution to knowledge of this investigation is to (i) deepen the knowledge of young male adults with ASD and their everyday photographic practices; and (ii) extend the development of visual and creative research methods. Furthermore, working with this specific group sheds light on photographic practices more broadly

    Sharing Selfies

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    Exercise associated muscle cramping : investigating a novel hypothesis

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    This thesis on Exercise Associated Muscle Cramping (EAMC) comprised three individual studies. The aims of this series of investigations were firstly to investigate the nature and prevalence of EAMC in a group of lronman triathletes with a past history of EAMC, secondly to compare the serum electrolyte concentrations in cramping and control Ironman triathletes as well as to record the baseline electromyography (EMG) of cramping lronman triathletes during recovery and thirdly to compare the EMG activity of cramping and control runners before, during and after a fatiguing bout of exercise

    The puzzle of non-participation in continuing training : an empirical study of chronic vs. temporary non-participation

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    "Although participation in continuing vocational training is often found to be associated with considerable individual benefits, a puzzlingly large number of people still do not take part in training. In order to solve the puzzle we distinguish between temporary and chronic non-participants. Previous studies have shown that training participants and non-participants differ in unobservable characteristics and therefore self-select into training or not. We show that even non-participants cannot be treated as a homogeneous group: there are those who never take part in training (chronic non-participants) and those who are not currently taking part (temporary (non-)participants). Using a unique data set of non-participants commissioned by the German 'Expert Commission on Financing Lifelong Learning' and covering a very large number of individuals not taking part in training, we separate and compare chronic and temporary non-participants. By estimating a sample selection model using maximum likelihood estimation we take potential selection effects into account: temporary (non-)participants may be more motivated or may have different inherent skills than chronic nonparticipants. We find that chronic non-participants would have higher costs than temporary (non-)participants and their short-term benefits associated with their current jobs would be lower. However, in the long run even chronic non-participants would benefit similarly from participation due to improved prospects on the labor market. The results indicate that chronic non-participants either misperceive future developments or suffer from an exceptionally high discount rate, which in turn leads in their view to a negative cost-benefit ratio for training." (Author's abstract, IAB-Doku) ((en)) Additional Information Kurzfassung (deutsch) Executive summary (English)Weiterbildung, Teilnehmer, Bildungsbeteiligung, Bildungsinvestitionen, Bildungsertrag, Kosten-Nutzen-Analyse, Bildungsökonomie

    Effects of Training on Employee Suggestions and Promotions in an Internal Labor Market

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    We evaluate the effects of employer-provided formal training on employee suggestions for productivity improvements and on promotions among male blue-collar workers. More than twenty years of personnel data of four entry cohorts in a German company allow us to address issues such as unobserved heterogeneity and the length of potential training effects. Our main finding is that workers have larger probabilities to make suggestions and to be promoted after they have received formal training. The effect on suggestions is however only short term. Promotion probabilities are largest directly after training but also seem to be affected in the long term.productivity, insider econometrics, human capital, promotions, training
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