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21.
Jesper Haglund Helge Str?mdahl 《International Journal of Technology and Design Education》2012,22(3):311-327
Nineteen informants (n?=?19) were asked to study and comment two computer animations of the Otto combustion engine. One animation was non-interactive and realistic in the sense of depicting a physical engine. The other animation was more idealised, interactive and synchronised with a dynamic PV-graph. The informants represented practical and theoretical traditions of knowledge: science students and teachers at upper secondary school level; vocational students and teachers in vehicle mechanics at upper secondary school level, and; MSc and PhD students in vehicle system engineering. The aim was to explore how they interpreted the animations against the background of their different traditions of knowledge and their experience of physical engines and models of engines. A key finding was that the PhD students saw the interactive animation as a familiar and useful model of engines, whereas the vehicle mechanics teachers saw it as a poor representation of reality. A general conclusion was that there is a variety of competent ways to interpret a model, depending on the tradition of knowledge. 相似文献
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Helge Berger George Kopits István P. Székely 《Scottish journal of political economy》2007,54(1):116-135
In recent years, fiscal performance in Central Europe has steadily deteriorated, in contrast to the improvement in the Baltics. This paper explores the determinants of such differences among countries on the path to European Union (EU) accession. Regression estimates suggest that economic and institutional fundamentals do not provide a full explanation. An alternative explanation lies in the political economy of the accession process, and a game‐theoretic model illustrates why a country with a stronger bargaining position might have an incentive to deviate from convergence to the Maastricht criteria. The model generates alternative fiscal policy regimes – allowing for regime shifts – depending on country characteristics and EU policies. 相似文献
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This paper explores the role of self‐identity expressiveness and social identity expressiveness in the context of Multimedia Messaging (MMS) adoption. An extended version of the Theory of Planned Behavior (TPB) including a wider array of identity and social influences is developed and tested. As hypothesized, self‐identity expressiveness and social identity expressiveness prove to be significant determinants of intentions to use. Moreover, the extended TPB model explains 62% of the variance in usage intentions. The paper also investigates the relationship between self identity expressiveness and attitude and between social identity expressiveness and subjective norm. The study results indicate that the concept of subjective norm alone is insufficient to capture the rich universe of identity and social influences driving behavioral intentions. Implications for marketing managers and scholars are discussed. © 2007 Wiley Periodicals, Inc. 相似文献
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We examine the origins and outcome of entrepreneurship on the basis of exceptionally comprehensive Norwegian matched worker-firm-owner data. In contrast to most existing studies, our notion of entrepreneurship not only comprises self-employment, but also employment in partly self-owned limited liability companies. Based on this extended entrepreneurship concept, we find that entrepreneurship tends to be profitable. It also raises income variability, but the most successful quartile gains much more than the least successful quartile loses. Key determinants of the decision to become an entrepreneur are occupational qualifications, family resources, gender, and work environments. Individual unemployment encourages, while aggregate unemployment discourages, entrepreneurship. 相似文献
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Discussion in the media suggests that bullying and abuse are rife in commercial kitchens. This paper analyses the issue of abusive work practices among chefs through a review of the literature; it examines the possible causes of bullying and abusive behaviour in the industry and argues that personal characteristics, culture and socialisation, and the transient nature of the industry, may offer some explanations as to why abusive behaviour is tolerated.Evidence from the literature suggests that abuse may be an expected part of the culture of a commercial kitchen; this is supported by both historical and social structures including education and training systems.In conclusion, research into abusive behaviour among chefs has been limited and further research into its true extent, and how it becomes tolerated, would be useful. 相似文献
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Helge Thorbjrnsen Micael Dahln Yih H. Lee 《Journal of Product Innovation Management》2016,33(3):342-355
Some firms preannounce new products long before they are actually available on the market. Previous research has investigated the effects of such new product preannouncements (NPPs) on consumer and competitor responses. This paper examines how NPPs affect consumers' construal of and preferences for the new product and, in turn, how these evaluations influence their preferences for the brands' other products. Specifically, the paper demonstrates that consumers' construal level of NPPs spills over to their construal of other products in the brand family, causing a positive, biased evaluation of these products. Three experimental studies reveal that the mere information about an NPP can shift evaluation of currently available brand products in a positive direction through construal‐level spillover and increased perceptions of similarity. The studies contrast NPPs to new product announcements (NPAs) and consistently find more positive results for the former. Moreover, the studies find that product newness has a moderating effect on the results, such that the positive spillover effects are more pronounced for really new products than for incrementally new products. The results also show that the effects are contingent on the credibility of the NPP: If consumers do not consider the NPPs credible, no positive spillover effects will materialize. Finally, the studies demonstrate that the positive evaluative spillover is specific to the products in the brand family and does not affect consumers' perceptions or choice of competitor products. Consumers actually rate the competing brand's remaining products lower when the focal brand engages in NPPs. The study has important implications for managers regarding how to use NPPs to influence consumers' construal and evaluations of brand products. 相似文献
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Mike Goldsmith Helge Larsen 《International journal of urban and regional research》2004,28(1):121-133
In a context where changes brought about by globalization and Europeanization, and where local governments increasingly operate in a governance mode, different countries place increasing stress on the importance of strong local leadership. This article reviews local political leadership in Denmark, Finland, Norway and Sweden. Outside of a few major (mainly capital) cities, local government in the Nordic area remains small scale and frequently rural, is strongly partisan, yet relies on a strong tradition of consensual, corporatist style of decision‐making. Furthermore, this social democratic consensus places a stress on the continued production and delivery of high quality welfare state services. This domestic environment produces a style of local leadership which is essentially collective in nature and in which the strong mayor concept is alien. The article reviews the experience of local political leadership in the four Nordic countries and concludes that, though there is some small country variation and without many examples of strong mayors, local political leaders play an important role, especially in managing and maintaining the consensual style of politics. Mondialisation et européanisation créent des changements qui, à l'instar des gouvernements locaux, opèrent de plus en plus selon un mode de gouvernance, poussant plusieurs pays à faire une place plus importante à une forte autorité locale. L'article étudie l'autorité politique locale au Danemark, en Finlande, en Norvège et en Suède. A l'exception de quelques rares grandes villes (essentiellement les capitales), un gouvernement local dans les pays nordiques garde une échelle réduite et souvent un caractère rural, tout en étant fortement partisan même s'il s'appuie sur une solide tradition décisionnelle consensuelle de type syndical. Par ailleurs, ce consensus social démocratique agit sur la poursuite et la qualité de la fourniture de prestations dans le cadre de l'État‐providence. Cet environnement national génère un style d'autorité locale de nature principalement collective, qui exclut toute notion de pouvoir propre au maire. L'article étudie les formes d'autorité politique locale dans les quatre pays scandinaves concluant que, malgré quelques légères variations nationales et la quasi‐absence de maires puissants, les leaders politiques locaux jouent un rôle important, en particulier dans la gestion et la préservation d'un style politique consensuel. 相似文献