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31.
Verallgemeinerte DEA-Modelle zur Performanceanalyse 总被引:2,自引:1,他引:1
Prof. Dr. Harald Dyckhoff Prof. Dr. Heinz Ahn 《Zeitschrift für Betriebswirtschaft》2010,80(12):1249-1276
Dyckhoff and Allen derived a generalisation of Data Envelopment Analysis (DEA) in order to measure ecological efficiency. This approach distinguishes between inputs and outputs of an activity on the one hand and their impact on the relevant evaluation criteria—referred to as efforts and benefits—on the other hand. Thereby, the current framework of the DEA for analysing the relative performance of productive units is fundamentally extended. The relevance of this framework is not limited to ecological aspects because many essential problems of DEA application can be solved. Against this background, the paper presents a formalisation of the generalised DEA, applies it to the well-known basic DEA models, and concretises these models for linear effort and benefit functions. 相似文献
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Catherine T. Conrad Suso 《International migration (Geneva, Switzerland)》2020,58(4):184-194
Gambia, the smallest country on the African continent, is one of the largest contributors, per capita, to irregular migrants in Europe. Aspirations to migrate are ingrained culturally, to the extent that they can be understood as a rite of passage. Unfilled rites, associated with involuntary immobility, have led to pervasive frustration and feelings of entrapment, locally referred to as having the nerves syndrome. This article explores the societal and cultural significance of migration in this context, exploring the meanings that this especially has for effective migration management. It provides evidence and context for the deep motives, embedded socially and culturally, for migration as a significant mechanism to maintain status and achievement of adulthood. In view of this, initiatives by foreign and domestic governments and NGOs to work on campaigns and strategies to entice citizens to remain and work at home should be carefully considered. Foreign policies and funds to so-called empower youth to stay in their home countries may be misleadingly ineffective. The academic literature does not sufficiently address this. 相似文献
34.
Robert Oakes Kees Van der Geest Benjamin Schraven Stephen Adaawen Sonja Ayeb-Karlsson Alexander de Sherbinin Benjamin Etzold Juliane Groth Kathleen Hermanns Silvana Lakeman Raphael Nawrotzki Christina Rademacher-Schulz Clemens Romankiewic Diogo Serraglio Harald Sterly Lisa Thalheimer Charlotte Wiederkehr David Williams 《International migration (Geneva, Switzerland)》2023,61(5):116-125
In the past 15 years, research activities focusing on the interlinkages between climate change and human mobility have intensified. At the same time, an increasing number of actors and processes have sought to address human mobility in the context of climate change from a policy perspective. Hitherto, research has been limited in terms of geographical preferences as well as conceptual and methodological focus areas. This paper argues that to address the evolving policy space, future research on climate change in the context of human mobility needs to become more differentiated, integrated and generalized. This includes concerted efforts to better integrate researchers from the global South, improved cross-linkages between different datasets, approaches and disciplines, more longitudinal and comparative studies and development of innovative qualitative and quantitative methods. 相似文献
35.
Marcus Maurer Harald Schoen 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2010,62(2):277-295
The study analyses the coverage of six regional newspapers on 25 local candidates during the last six weeks of the 2005 German national election by using quantitative content analysis. In an earlier study the physical attractiveness of the 25 candidates has been examined. The study shows that newspapers covered physically attractive candidates much more often and much more positive than unattractive candidates. This held also true when other relevant candidate characteristics (party membership, role as incumbent or challenger etc.) are controlled. The results show that journalists are victims of the same attractiveness stereotypes as other people. But in the case of journalists there may occur more impotent consequences the amount and tone of media coverage on political candidates may affect the results of election campaigns. Causes and consequences of these findings are discussed. 相似文献
36.
Sister Ann Patrick Conrad 《Child welfare》2010,89(5):191-204
This article sets forth a bio-psycho-social-spiritual perspective on the needs and rights of children. Consideration is first given to the philosophical nature of need. The nature of rights is then examined in relation to need as a basis for social justice claims. Various need paradigms, such as human development needs, socially constructed needs, and needs hierarchies, are considered and compared to the rights paradigm presented in the Convention on the Rights of the Child. Rationale for ratification is then presented. 相似文献
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Kendon J. Conrad PhD Madelyn Iris PhD John W. Ridings PhD Abby Rosen MHA Kimberly P. Fairman MPH Georgia J. Anetzberger PhD ACSW 《Journal of elder abuse & neglect》2013,25(2):147-168
Psychological abuse of older adults is a hidden and pervasive problem that is not well conceptualized nor well measured. Goals. The goals were to (a) conceptualize psychological abuse using three-dimensional concept maps, and (b) develop theoretical models. Methods. Statements describing the construct were generated by local and national panels. These were sorted and rated using Concept Systems software whereby the concepts were depicted as a map. Results. The concept maps guided development of theoretical hierarchies. Significance. Theoretical models may help to develop measures to estimate prevalence better and may enable more precise screening for triage into appropriate interventions. 相似文献
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Conceptual model and map of psychological abuse of older adults 总被引:2,自引:2,他引:0
Conrad KJ Iris M Ridings JW Rosen A Fairman KP Anetzberger GJ 《Journal of elder abuse & neglect》2011,23(2):147-168
Psychological abuse of older adults is a hidden and pervasive problem that is not well conceptualized nor well measured. Goals. The goals were to (a) conceptualize psychological abuse using three-dimensional concept maps, and (b) develop theoretical models. Methods. Statements describing the construct were generated by local and national panels. These were sorted and rated using Concept Systems software whereby the concepts were depicted as a map. Results. The concept maps guided development of theoretical hierarchies. Significance. Theoretical models may help to develop measures to estimate prevalence better and may enable more precise screening for triage into appropriate interventions. 相似文献