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91.
The paper extends a result in Dutta and Ray's (1989) theory of constrained egalitarianism initiated by relying on the concept of proportionate rather than absolute equality. We apply this framework to redistributive systems in which what the individuals get depends on what they receive or pay qua members of generally overlapping groups. We solve the constrained equalization problem for this class of models. The paper ends up comparing our solution with the alternative solution based on the Shapley value, which has been recommended in some distributive applications. 相似文献
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The aim of this paper is to review published literature on the types and prevalences of premenstrual disorders and symptoms, and effects of these on activities of daily life and other parameters of burden of illness. The method involved review of the pertinent published literature. Premenstrual disorders vary in prevalence according to the definition or categorization. The most severe disorder being premenstrual dysphoric disorder (PMDD) affects 3-8% of women of reproductive age. This disorder focuses on psychological symptoms whereas global studies show that the most prevalent premenstrual symptoms are physical. Both psychological and physical symptoms affect women's activities of daily life. A considerable burden of illness has been shown to be associated with moderate to severe premenstrual disorders. In conclusion, premenstrual symptoms are a frequent source of concern to women during their reproductive lives and moderate to severe symptoms impact on their quality of lives. 相似文献
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Philippe Barbe 《Journal of statistical planning and inference》1997,60(2):199-214
We define the generalized bootstrapped version of the empirical and quantile renewal spacing processes. We show that the asymptotic theory of the renewal spacings processes holds for the bootstrap version. 相似文献
97.
Philippe A.E.G. Delespaul Harry T. Reis Marten W. DeVries 《Social indicators research》2004,67(1-2):129-143
How can we enhance activation? Studying shouldbe a challenging, yet rewarding activity forstudents who intend to graduate. The Flowtheory (Csikszentmihalyi, 1990, 1997) predictsthat differential levels of perceived challengeand skill (flow) are related to optimizedmental states and increased activation.However, the influence of concurrent mentalstates and specific environmental cues for thisstate of optimal experience is unknown. In thisstudy we explore the contextual and subjectivedeterminants of flow in relation to activationin studying, and compare this with sports andwatching TV or listening to the radio. Method: 43 undergraduate students at theUniversity of Maastricht were assessed with theExperience Sampling Method for one week(Delespaul, 1995). At random moments 10 timeseach day subjects evaluated the social context,activities, and mood states. Analyses were donewith multilevel random regression techniques.Results: We replicated the predictedflow-related patterns in activation andemotions. While overall activation wasincreased in high challenging moments(β = 0.51; 95% CI: 0.36, 0.19), thiseffect was less pronounced during study(β = ?0.16; 95% CI: ?0.25, ?0.07). Skillslevels did not affect activation(β = ?0.01; 95% CI: ?0.06, 0.05).Concurrent emotions were independently andadditionally related to activation(Δχ2 (4) = 117.12,p < 0.0001). Unexpectedly, activation increasedwith demotivation (β = ?0.12; 95% CI:0.16, 0.07). We found highly significant andadditional effects of context for all theactivities (study: χ2 = 732.63;p < 0.0001; R2 = 0.30; active leisure:χ2 = 753.40; p < 0.0001; R2 = 0.31;and passive leisure: χ2 = 555.86;p < 0.0001; R2 = 0.24). Conclusions. TheFlow theory is a valuable model leading topredictions of optimal experience as well asactivation. However, the dynamics of activityengagement are more complex and related toconcurrent emotions and context. In the Dutchstudent culture, escaping boredom or compulsoryduties seems to drive individuals more thanpursuing flow. 相似文献
98.
Data from a survey of French musicians conducted for the Ministry of Culture are used to analyze the processes producing inequality between men and women in music. Two models of a sexual division of labor coexist along with a differentiation depending on the style (learned vs. popular music). These two models closely link together working conditions, careers and the organization of home life for male and female musicians; and they underlie the construction of musicians', identities. In the world of popular music, bodily stereotypes of femininity (youth, seduction) and masculinity (the aestheticization of deviance, the bohemian life) dominate. In the world of learned music, a hierarchical model of masculine authority prevails with the figure of the conductor at the summit. 相似文献
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Jean‐Luc Bernaud Jean‐Philippe Gaudron Claude Lemoine 《The Career development quarterly》2006,54(3):242-255
This research project is focused on theoretical and empirical works analyzing the effects of career counseling. This experimental and longitudinal study has been carried out in France; it compares a sample of individuals having undertaken competence assessment with a control group and deals with self‐esteem, self‐analysis, self‐concept, and the participants' situations. The results correspond to the authors' main hypotheses: The effect size calculated for all the variables (+0.62) is similar to the one observed in the meta‐analyses concerning the same topic. The stability of effects has also been demonstrated for 2 out of 3 categories of variables (effect size +0.44) in spite of a slight decrease in the production of self‐concept. Finally, treatment intensity seems to have a lesser effect than the one expected, but it strengthens its role in the development of self‐analysis. The discussion focuses on the prospects for counseling practice assessment, as well as theoretical directions meriting future development. 相似文献