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31.
This paper studies natives’ economically motivated preferences over different levels of immigration of low-income earners. Immigration affects natives through both intra- and intergenerational redistribution programmes and in the labour market. Our analysis suggests, in a welfare state that looks after the poor and the aged, economic motivation does not necessarily lead a native to have an extreme opinion on the preferable level of immigration, although it causes disagreement among natives. We find, regardless of parameter values, high-income earners prefer at least as much immigration as low-income earners who, in turn, prefer at least as much immigration as pensioners. The median voter is then likely to be a low-income native.
相似文献
Yuji TamuraEmail: Fax: +44-24-76523032 |
32.
本文是对清华大学教授葛兆光新著《中国思想史》第一卷的学术评论。文章认为 ,葛先生“重写”思想史的基本路子即以论带史、以今视昔、以文领义 ,而“基本路子只有一条 ,一分为三 ,乃是方便说法”。事实上 ,思想史领域本来就别有洞天 ,“葛先生自许的突破之处 ,不过是划地为牢 ,然后纵身一跃 ,作突破状而已。”文章还批评了《中国思想史》中存在的理路不清、用词不当的一些“大议论”。本文作者总结道 :如果要我用一句话来评论这本书 ,我将说 :“在这本号称‘思想史’的书里 ,我看不到历史上的思想和知识 ,我只看到现在一位中国人葛兆光的‘思想’”。 相似文献
33.
李文耀 《烟台大学学报(哲学社会科学版)》2000,13(1):3-7
本文探讨了科学发现过程中的非理性因素直觉、灵感,等等,它们在科学研究中往往起到十分重要的作用.文章阐述了灵感思维的突发性、非逻辑性等特点,以及机遇在加速科学发现进程中所起的作用.文章指出,研究环境尤其研究单位的学风、传统和学术水平等,对于科研的进程和成败起着极大的作用,并以诺贝尔奖得主的情况作了深入的讨论. 相似文献
34.
试论企业技术创新激励与约束机制 总被引:1,自引:0,他引:1
和云 《云南民族大学学报(哲学社会科学版)》2001,18(2):30-33
由于缺乏有效的企业技术创新的激励机制和约束机制,致使相当部分国有企业缺乏创新的热情和责任,不能成为技术创新的主体,激励机制与约束机制是企业技术创新的动力机制,只有尽快建立相对完善的激励机制和约束机制,才能保证企业技术创新活动的健康发展. 相似文献
35.
温树斌 《烟台大学学报(哲学社会科学版)》2000,13(1):22-28
国家主权与国际法的关系一直是国际法领域倍受关注的热门话题之一.为了正确辨析两者之间的关系,首先必须弄清主权的性质、主权与主权权利的不同概念及相互关系.笔者认为,主权权利区别于主权的特征在于,不仅其自身具有可分割或可让与性,而且可与主权相分离,甚至全部主权权利的不能行使也不构成对主权的否定.以此为基础,本文将主权与国际法的关系划分为两个层面,即国家主权与国际法相互依存的关系、国际法对主权权利的丰富、发展和限制的关系. 相似文献
36.
民营企业文化管理的重构 总被引:19,自引:1,他引:19
民营企业文化管理重构,主要包括理念和制度两个方面.在理念上,要把民营企业的非理性的血缘、情缘文化理念,转变为现代企业的业缘、事缘理念;要用"以人为本"的现代管理理念,取代以"以工具为本"的陈旧理念;用注重灵魂塑造的理念,取代注重形式主义的有害理念;用注重长期培育的理念,取代追求短期见效的落后理念;用注重形成企业集体无意识的理念,取代注重企业细小行为规范的肤浅理念.在制度方面,民营企业要努力建构自己的文化意义符号管理制度,文化沟通网络管理制度,职场氛围管理制度,文化训练管理制度,文化遗传管理制度等. 相似文献
37.
Andreas Dellnitz Andreas Kleine Wilhelm Rödder 《Zeitschrift für Betriebswirtschaft》2018,88(7-8):831-850
The CCR model by Charnes et al. (Eur J Oper Res 2:429–444, 1978) together with the BCC model by Banker et al. (Manag Sci 30:1078–1091, 1984) are the most popular approaches of measuring efficiency among a group of decision making units, DMUs, in data envelopment analysis, DEA. The right choice of a DEA model—CCR or BCC—often, if not always, is a difficult decision. To evaluate a DMU’s efficiency for both models might be helpful, but it does not always capture the essential issues at stake. In this paper we propose a comparative analysis of both concepts: How does activity scaling under constant BCC-efficiency influence CCR-efficiency. And inversely, how does BCC-efficiency behave when activity scaling under constant CCR-efficiency is applied. Such findings of mutual effects improve a DMU’s ability to reassess upsizing and downsizing of activities. Moreover, it allows for exact calculations of the resulting economic effects, and these effects give new insights beyond classical DEA. Finally, scale efficiency turns out to be the ideal concept to control these activity changes, rather than just CCR- or BCC-efficiency. We use a little numerical example to emphasize advantages of the new concept and sketch the new findings for a theater scenery. 相似文献
38.
Ali Ziaee Bigdeli Tim Baines Andreas Schroeder Steve Brown Eleanor Musson Victor Guang Shi 《生产规划与管理》2018,29(4):315-332
The purpose of this paper is to establish a framework for assessing the progress and outcome of a manufacturer’s transformation towards becoming a provider of ‘advanced services’ – a complex bundling of products and services, whereby manufacturers offer capabilities and outcomes instead of products alone. ‘Advanced services’ represent the most complex offering in the current servitization trend amongst manufacturers. However, current performance measures lack the breadth and focus to assess progress or outcomes, and so support research and practice of organisational transformation efforts required. To address this gap the paper investigates how a manufacturer’s efforts to become an ‘advanced services’ provider can be comprehensively measured, and develops a framework for assessing the transformation journey towards becoming an ‘advanced services’ provider. The research method is based on (1) a systematic literature review process to create a comprehensive set of service-related performance measures that are available to assess a manufacturer’s servitization efforts, followed by (2) an engagement with an expert panel to synthesise the identified measures and create a set of ‘advanced services’ performance measures. The proposed framework is presented as a scorecard that can be used in practice to assess the progress and outcome of a manufacturer’s transformation towards becoming a provider of ‘advanced services’. 相似文献
39.
Corinna Gottschalk Hendrik Lüthen Britta Peis Andreas Wierz 《Journal of Combinatorial Optimization》2018,36(3):861-870
In 1984, Gabow and Tarjan provided a very elegant and fast algorithm for the following problem: given a matroid defined on a red and blue colored ground set, determine a basis of minimum cost among those with k red elements, or decide that no such basis exists. In this paper, we investigate extensions of this problem from ordinary matroids to the more general notion of poset matroids which take precedence constraints on the ground set into account. We show that the problem on general poset matroids becomes -hard, already if the underlying partially ordered set (poset) consists of binary trees of height two. On the positive side, we present two algorithms: a pseudopolynomial one for integer polymatroids, i.e., the case where the poset consists of disjoint chains, and a polynomial algorithm for the problem to determine a minimum cost ideal of size l with k red elements, i.e., the uniform rank-l poset matroid, on series-parallel posets. 相似文献
40.
We deal with the double sampling plans by variables proposed by Bowker and Goode (Sampling Inspection by Variables, McGraw–Hill,
New York, 1952) when the standard deviation is unknown. Using the procedure for the calculation of the OC given by Krumbholz and Rohr (Allg.
Stat. Arch. 90:233–251, 2006), we present an optimization algorithm allowing to determine the ASN Minimax plan. This plan, among all double plans satisfying
the classical two-point-condition on the OC, has the minimal ASN maximum. 相似文献