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51.
Ecosystems are formed by organisations that jointly create a value proposition that a single firm could not create in isolation. To deliver this value proposition, the partners need a focal firm, the orchestrator, to be align them towards the joint value proposition. Thus, how orchestrators design the alignment structure of an ecosystem is at the very heart of the ecosystem concept – yet it has not been sufficiently addressed by extant research. This is all the more true for the question of how the design of an ecosystem is shaped depending on surrounding conditions. This paper applies a qualitative study with ten cases and, based on the attention-based view of the firm, contributes to research on ecosystems in several ways. First, it explains which ecosystem designs are beneficial under which conditions. Second, it elucidates the structure and activities within ecosystems and shows that start-ups can be just as good ecosystem orchestrators as incumbents. Third, it explains the circumstances under which single vs. multi orchestrator ecosystems occur. Fourth, it presents the conditions when incumbents or start-ups make better orchestrators. Finally, it is among the first studies to apply the attention-based view to business ecosystems, and shows that doing so yields intriguing insights into this emerging field of research. 相似文献
52.
Indices and orderings are developed for evaluating alternative strategies in the management of risk. They reflect the goals of reducing individual and collective risks, of increasing equity, and of assigning priority to the reduction and to the equity of high risks. Individual risk is defined as the (random or non-random) level of exposure to a danger. In particular the role of a lower negligibility level is investigated. A class of indices is proposed which involves two parameters, a negligibility level and a parameter of inequality aversion, and several interpretations of the indices are discussed. We provide a set of eight axioms which are necessary and sufficient for this class of indices, and we present an approach to deal with partial information on the parameters. 相似文献
53.
空间OLAP 技术研究 总被引:1,自引:0,他引:1
针对决策支持系统中空间数据可视化应用趋势,研究基于空间数据仓库的一种决策分析
工具———在线分析处理,通过改进空间数据立方体的物化视图选择方法,并进行了实例分析,
验证该方法的有效性和优越性,更好地解决空间OLAP 响应时间延迟问题. 进而扩展空间OLAP
应用模型和模式,实现更加完备、灵活的空间OLAP 操作功能. 相似文献
54.
《聊斋志异》中有着大量的原欲描写,在作者创作和读者接受中都发挥着重要的作用。《聊斋志异》中展现的原欲是人类内心深处一种原始的未加理性束缚的欲望,重视的是肉体之欢,而不是灵魂之爱。“各遂所愿,人鬼何论”,“千古之美人,皆在床闼”是其原欲主张,无论真假,无论人鬼,只要能满足性的欲望,就会有欢娱的性爱。 相似文献
55.
Sharon S. Oselin 《Sociological Forum》2016,31(1):203-222
Violence among inner‐city men is a pressing social concern, and the central focus of much academic research. Many frame it as a phenomenon that certain men perpetuate—those who inhabit disadvantaged, impoverished communities—and argue it is linked to performances of “street” masculinity. In this article, I examine male street‐based sex workers’ willingness to become embroiled in violent exchanges. In a departure from theoretical predictions, my findings reveal these men expend considerable effort to remain nonviolent with others immersed in the sex trade, a decision based upon their desire for the acquisition of capital as well as their calculation of risks. In doing so, they construct and perform a nuanced version of masculinity, which I call pacifist masculinity. Few studies analyze peaceful and conciliatory interactions among men in these contexts, an absence that only serves to reify assumptions about rampant hostility and aggression. I draw on interviews with 19 men involved in street prostitution in Chicago in 2012. This article contributes to a clearer understanding of male–male violence in high‐risk environments, examines the prominent factors that inform decisions to assault others, and explores how such actions challenge hegemonic masculinity. 相似文献
56.
《European Management Journal》2017,35(3):314-326
Social media is embedded in today's internationalization strategy. Companies extend their reach into foreign countries by posting and tweeting. Firms also enhance their mobile capabilities in foreign markets (e.g., knowledge and reputation) through user-generated content in online social networks. Levering on the capabilities-based theory of the multinational enterprise, this paper builds upon a resource-based, industry/network-based, and institution-based view framework. The study provides a comprehensive conceptual and empirical model to explain the effect of social networks on foreign direct investment. Empirical analysis in a global panel dataset of >4500 multinational enterprises suggests that online social networks' activity stimulates foreign capital expenditure and new affiliates. In addition, the article explores the relevance of customer capabilities along with sectoral and institutional moderating effects. 相似文献
57.
《Journal of homosexuality》2012,59(1-2):49-67
ABSTRACT The notion of lesbian specificity must be understood in the context of heteronormative society. Heterosexual norms affect negotiations of power and sexual desire in lesbian relationships. But this investigation into woman-to-woman sexual practices also views the possibility of lesbian specificity as potentially subversive, in the sense that it poses fundamental questions about conventional discourses on sexuality and eroticism. 相似文献
58.
袁秀贞 《广西青年干部学院学报》2012,22(5):75-78
目前,我国男女性别比例严重失衡,由此带来性犯罪现象增加、婚姻挤压、拜金主义思想等各种社会问题,究其原因,除了传统的重男轻女观念的影响和妇女地位的不平等外,还有科技手段的滥用。应该树立先进的社会性别意识,禁止非法的胎儿性别鉴定,提高女性的社会地位,这样,才能切实解决出生人口性别比例失调问题。 相似文献
59.
张春梅 《新疆大学学报(社会科学版)》2014,42(3):121-125
位于中国最西部的喀什具有悠久的城市历史、伊斯兰历史、多宗教交流史、多文化融通史,这就使得喀什文化成为民族特色鲜明同时兼容多种他者文化元素的典范.与此同时,在喀什城市发展史上,体现出鲜明的文化改造、创新的变动过程.这些决定了对喀什城市的研究必须要有开放的视野和充分语境化的意识,要对现今有关研究存在的诸问题有清晰的认识. 相似文献
60.
《Journal of Social Work Practice》2012,26(1):81-90
This paper arises out of psychoanalytically oriented consultancy to teams of staff in the helping professions where there is a statutory 'duty to care'. It takes as its premise the seemingly paradoxical hypothesis that workers may need to split off part of their emotional experience in order to preserve their own mental health and provide reliable services to their clients. I argue that while a professional 'duty to care' requires us to be emotionally 'in touch', the demands of our clients together with the demands of the institutional response to the 'duty to care' cause us to split off parts of our awareness. I also argue that provided the splitting does not become extreme we are doing no more or less than the rest of society. In other words, there is a degree of 'normal splitting' which numbs our awareness of danger and destructiveness and seeks to protect us from too much anxiety and pain. Yet if professional workers are charged with the responsibility of assessing risk and acting accordingly for the protection of all concerned they need ways of being 'in touch' (re-integrating the splits) for some or enough of the time. Finally, I will describe ways of being 'in touch', illustrating the difficulty and the pain of re-integrating the splits and some of the insights that can arise out of this work with examples from my consultancy work. 相似文献