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Multinomial logit (also termed multi-logit) models permit the analysis of the statistical relation between a categorical response variable and a set of explicative variables (called covariates or regressors). Although multinomial logit is widely used in both the social and economic sciences, the interpretation of regression coefficients may be tricky, as the effect of covariates on the probability distribution of the response variable is nonconstant and difficult to quantify. The ternary plots illustrated in this article aim at facilitating the interpretation of regression coefficients and permit the effect of covariates (either singularly or jointly considered) on the probability distribution of the dependent variable to be quantified. Ternary plots can be drawn both for ordered and for unordered categorical dependent variables, when the number of possible outcomes equals three (trinomial response variable); these plots allow not only to represent the covariate effects over the whole parameter space of the dependent variable but also to compare the covariate effects of any given individual profile. The method is illustrated and discussed through analysis of a dataset concerning the transition of master’s graduates of the University of Trento (Italy) from university to employment. 相似文献
3.
Arnfinn H. Midtbøen 《The British journal of sociology》2015,66(1):193-214
Although field experiments have documented the contemporary relevance of discrimination in employment, theories developed to explain the dynamics of differential treatment cannot account for differences across organizational and institutional contexts. In this article, I address this shortcoming by presenting the main empirical findings from a multi‐method research project, in which a field experiment of ethnic discrimination in the Norwegian labour market was complemented with forty‐two in‐depth interviews with employers who were observed in the first stage of the study. While the experimental data support earlier findings in documenting that ethnic discrimination indeed takes place, the qualitative material suggests that theorizing in the field experiment literature have been too concerned with individual and intra‐psychic explanations. Discriminatory outcomes in employment processes seems to be more dependent on contextual factors such as the number of applications received, whether requirements are specified, and the degree to which recruitment procedures are formalized. I argue that different contexts of employment provide different opportunity structures for discrimination, a finding with important theoretical and methodological implications. 相似文献
4.
国有经济在国民经济中的核心地位是毋庸置疑的 ,关键是国有经济在国民经济中所占比例应该存在一个平衡的尺度点 ,这个尺度点与外在的国际环境和内在的社会结构密切相关。文章分析了国有经济及其变形形态 ,并描述了其运行规律。文章强调 ,社会人的公私二像性特征是深刻理解国民经济体系中国有经济未来发展趋势的理论基石。 相似文献
5.
栾海峰 《北京理工大学学报(社会科学版)》2002,4(3):20-22
本文就美、加高校在公共管理领域从业人员非学位教育方面的特色从培训计划、方法、师资和评估四个方面进行分析, 对其借鉴意义进行了探讨。 相似文献
6.
无论从任何角度考察,权利都以政府的巨大财政成本作为后盾,否则权利便无从实现。当现代政府的公共利益责任与权利成本发生矛盾时,如何协调二者之间的关系,将权利成本最小化、公共利益最大化,就成为理论界与实务界必须承担的责任。 相似文献
7.
高速SDRAM控制器设计的FPGA实现 总被引:1,自引:0,他引:1
同步动态存储器(SDRAM)控制器通常用有限状态机实现,对于一般的设计方法,由于状态数量多,状态转换通常伴随大的组合逻辑而影响运行速度,因此,SDRAM控制器的速度限制了SDRAM存储器的访问速度。该文从结构优化入手来优化方法,利用状态机分解的思想将大型SDRAM控制状态机用若干小的子状态机实现,达到简化逻辑的目的,不仅提高了速度还节省了资源,对该类大型SDRAM控制器的实现有一定参考意义。 相似文献
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基于非线性网状创新模型提出的“三螺旋场”和“三螺旋循环”概念进一步推进了三螺旋创新模式的理论研究。三螺旋场概念旨在解释在大学、产业和政府三股螺旋之间存在的相对独立和彼此作用的本质,说明三螺旋的生成原理、静态表现和动态演化特征。三螺旋的生成原理在于创新过程的非线性本质和多主体特征,静态表现为“内核外场模型”,而动态演化过程则在于纵向进化和横向循环。发生在三股螺旋之间的三螺旋循环揭示了在大学、产业和政府之间以人员、信息和产品流动为特征的相互作用和运行机制。 相似文献
9.
In this work, some corporate websites of the chemical industry of Tarragona (Spain) are studied, analysing how the chemical trade associations and companies present information and/or encourage dialogue with the community on issues relating to the chemical risk and their environmental, health and safety (EHS) performance. The results suggest that the chemical industry in Tarragona uses the corporate websites mainly to disseminate information about its EHS commitments and performance, but they do not encourage dialogue with the community through the Internet. 相似文献
10.
The German sociologist Max Weber is rarely referred to in public relations theory and research. In this article it is argued that his concepts of legitimacy and legitimation are relevant for understanding and analyzing public relations activities. Legitimacy, i.e. having sufficient external support to continue to exist, is seen as the ultimate purpose of public relations, and legitimation is seen as the efforts which are aimed at acquiring organizational legitimacy. The article discusses both theoretical and practical implications of these ideas for the field of public relations. 相似文献