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41.
Poverty can be seen as a multidimensional phenomenon described by a set of indicators, the poverty components. A one-dimensional measure of poverty serving as a ranking index can be obtained by combining the component indicators via aggregation techniques. Ranking indices are thought of as supporting political decisions. This paper proposes an alternative to aggregation based on simple concepts of partial order theory and illustrates the pros and cons of this approach taking as case study a multidimensional measure of poverty comprising three components – absolute poverty, relative poverty and income – computed for the European Union regions. The analysis enables one to highlight conflicts across the components with some regions detected as controversial, with, for example, low levels of relative poverty and high levels of monetary poverty. The partial order approach enables one to point to the regions with the most severe data conflicts and to the component indicators that cause these conflicts. 相似文献
42.
James J. Heckman Rosa L. Matzkin Lars Nesheim 《Econometrica : journal of the Econometric Society》2010,78(5):1569-1591
This paper studies the identification and estimation of preferences and technologies in equilibrium hedonic models. In it, we identify nonparametric structural relationships with nonadditive heterogeneity. We determine what features of hedonic models can be identified from equilibrium observations in a single market under weak assumptions about the available information. We then consider use of additional information about structural functions and heterogeneity distributions. Separability conditions facilitate identification of consumer marginal utility and firm marginal product functions. We also consider how identification is facilitated using multimarket data. 相似文献
43.
The connection between leadership or management style, on the one hand, and perceptions of bullying, on the other, has received little attention within bullying research. Hence, the aim of this study is to examine the relationship between subordinates' ratings of their immediate superiors' behaviours, and both perceived exposure and claims of observations of bullying at work. Based on a sampling process which emphasized randomness and representativeness, the responses from 5288 respondents in Great Britain taking part in a nationwide study on psychosocial issues at work were included in the analysis. Bullying correlated with all four leadership styles measured. Yet, ‘non‐contingent punishment’ emerged as the strongest predictor of self‐perceived exposure to bullying, while autocratic leadership was the strongest predictor of observed bullying. Hence, while observers particularly associate bullying with autocratic or tyrannical leader behaviour, targets relate bullying more to non‐contingent punishment, i.e. an unpredictable style of leadership, where punishment is meted out or delivered on leaders' own terms, independent of the behaviour of subordinates. In addition, laissez‐faire leadership emerged as a predictor of self‐reported as well as observed bullying. Thus, leadership styles seem to play an important but complex role in the bullying process. 相似文献
44.
Lars Zettergren 《Long Range Planning》1975,8(3):23-32
In this article the author considers a variety of financial issues which have an important bearing on strategic planning. Mr. Zettergren develops a financial model in the article with the objectives of making it easy to comprehend yet detailed enough to account for most pertinent factors. 相似文献
45.
Jonas Bjärehed Margit Wångby‐Lundh Lars‐Gunnar Lundh 《Journal of research on adolescence》2012,22(4):678-693
Patterns of nonsuicidal self‐injury (NSSI) and their association with other psychological difficulties were studied in a community sample of young Swedish adolescents, by a two‐wave longitudinal design with a 1‐year interval. Hierarchical cluster analysis at T1 identified eight NSSI subgroups in each gender, of which five were clearly replicated at T2. Among these were a subgroup with generalized high‐frequency NSSI, which was associated with both internalizing and externalizing problems, and a subgroup of girls who engaged primarily in cutting and showed mainly internalizing problems. In general, NSSI clusters among girls were more stable over time and associated with more psychological problems. The results indicate that different patterns of NSSI have different developmental and clinical implications. 相似文献
46.
Coalitional strategy-proof and resource-monotonic solutions for multiple assignment problems 总被引:1,自引:0,他引:1
We consider the problem of allocating indivisible objects when agents may desire to consume more than one object and monetary transfers are not possible. Each agent receives a set of objects and free disposal is allowed. We are interested in allocation rules that satisfy appealing properties from an economic and social point of view. Our main result shows that sequential dictatorships are the only efficient and coalitional strategy-proof solutions to the multiple assignment problem. Adding resource-monotonicity narrows this class down to serial dictatorships.We thank Francois Maniquet, two anonymous referees, and the participants of the GREBE-FRANCQUI Summer School on Axiomatic Resource Allocation Theory, held in Namur, Belgium, for their comments. 相似文献
47.
Sveinung J?rgensen & Lars Jacob Tynes Pedersen Ph.D. 《European Journal of Social Work》2010,13(3):339-357
This article explores how the scope of solutions to complex problems is determined by the way in which the problem is formulated. We inquire into this by means of a theory-driven case study of the reform in the Norwegian drug rehabilitation sector and the Tyrili facility. We analyze divergent approaches to drug rehabilitation by means of a problem formulation framework, which distinguishes between (1) the value dimensions of given problems, and (2) the phases of problem solving activities. Based on this inquiry, we arrive at a set of propositions, in which we propose that the two approaches differ in their inclusion of various value dimensions. Moreover, we suggest that the reform pursued increased efficiency as a solution to a reductionist formulation of the problem, which challenged Tyrili's opportunity to solve the problem in the multidimensional manner they conceive of it. This is an argument against a one-dimensional maximization of efficiency as a pursuit of quality in social services. 相似文献
48.
The Effects of Ethnic Minority Adolescents' Ethnic Self‐Identification on Friendship Selection
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Philipp Jugert Lars Leszczensky Sebastian Pink 《Journal of research on adolescence》2018,28(2):379-395
This study investigated the effects of ethnic minority adolescents' ethnic self‐identification (host country, dual, or heritage country) on friendship choices among ethnic majority and minority peers. Hypotheses were derived from similarity–attraction and social identity theory and tested using longitudinal social network data from 1,004 middle school students (five schools) in Germany. Results showed that ethnic minority adolescents' ethnic self‐identification affected friendship selection beyond ethnic homophily. While host country and dual identification was beneficial with respect to friendships with both ethnic majority and minority peers, heritage country identification was detrimental to relations with both of them. 相似文献
49.
Van Eetvelde Hans Hvattum Lars Magnus Ley Christophe 《AStA Advances in Statistical Analysis》2023,107(1-2):251-269
AStA Advances in Statistical Analysis - The COVID-19 pandemic has left its marks in the sports world, forcing the full stop of all sports-related activities in the first half of 2020. Football... 相似文献
50.