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61.
Marián Sloboda 《Journal of ethnic and migration studies》2016,42(11):1808-1824
Having a historical presence in a country and citizenship of that country are two basic conditions under which national minority rights are granted in many countries, but increasing international migration has started to pose a challenge to this conception. Like other countries of Central Europe, the Czech Republic has adopted the two conditions for granting rights to traditional ‘national minorities’ and has developed a separate policy for the ‘integration of foreigners’; however, the emergence of the second generation of Vietnamese has presented a special challenge to this two-tier policy system. Recent renegotiation of the historicity of this immigrant group has resulted in its ‘official recognition’ as a national minority. This paper discusses this case in its wider Central European context, and addresses the question of whether we are observing an erosion of the two-tier policy system or a reconsideration of the distinction between ‘old’ and ‘new’ minorities. Finally, the paper touches upon the question of the role and usability of ‘old’ minority language rights, considering the lack of interest among the traditional minorities vs. the linguistic situation of the migrants’ second generation. 相似文献
62.
Least squares estimation of regression parameters in mixed effects models with unmeasured covariates
We consider mixed effects models for longitudinal, repeated measures or clustered data. Unmeasured or omitted covariates in such models may be correlated with the included covanates, and create model violations when not taken into account. Previous research and experience with longitudinal data sets suggest a general form of model which should be considered when omitted covariates are likely, such as in observational studies. We derive the marginal model between the response variable and included covariates, and consider model fitting using the ordinary and weighted least squares methods, which require simple non-iterative computation and no assumptions on the distribution of random covariates or error terms, Asymptotic properties of the least squares estimators are also discussed. The results shed light on the structure of least squares estimators in mixed effects models, and provide large sample procedures for statistical inference and prediction based on the marginal model. We present an example of the relationship between fluid intake and output in very low birth weight infants, where the model is found to have the assumed structure. 相似文献
63.
In this article, we extend the functional-coefficient cointegration model (FCCM) to the cases in which nonstationary regressors contain both stochastic and deterministic trends. A nondegenerate distributional theory on the local linear (LL) regression smoother of the FCCM is explored. It is demonstrated that even when integrated regressors are endogenous, the limiting distribution is the same as if they were exogenous. Finite-sample performance of the LL estimator is investigated via Monte Carlo simulations in comparison with an alternative estimation method. As an application of the FCCM, electricity demand analysis in Illinois is considered. 相似文献
64.
The study examined the relationship between priorities in job tasks and stress-related experiences among health workers in long-term care (n = 322). Employees' priorities were measured in terms of role orientation, represented by two different 'profiles': expressive and instrumental role orientation. Job stress assessed included potential workload and emotional involvement. Stress-related experiences assessed were psychosomatic and interpersonal consequences. Sub-group analyses were used to test the nature of the relationship between stressors and the criterion variables in the study. The sub-group analyses indicated that role orientation only partially moderated the relationship between job stressors and employees' stress-related experiences. It was in relation to emotional involvement that role orientation was a relatively strong moderator. 相似文献
65.
Francisco Louzada Vicente G. Cancho Mari Roman José G. Leite 《Journal of applied statistics》2012,39(10):2209-2222
In this paper, we proposed a new three-parameter long-term lifetime distribution induced by a latent complementary risk framework with decreasing, increasing and unimodal hazard function, the long-term complementary exponential geometric distribution. The new distribution arises from latent competing risk scenarios, where the lifetime associated scenario, with a particular risk, is not observable, rather we observe only the maximum lifetime value among all risks, and the presence of long-term survival. The properties of the proposed distribution are discussed, including its probability density function and explicit algebraic formulas for its reliability, hazard and quantile functions and order statistics. The parameter estimation is based on the usual maximum-likelihood approach. A simulation study assesses the performance of the estimation procedure. We compare the new distribution with its particular cases, as well as with the long-term Weibull distribution on three real data sets, observing its potential and competitiveness in comparison with some usual long-term lifetime distributions. 相似文献
66.
J. Jill Suitor Jori Sechrist Mari Plikuhn Seth T. Pardo Megan Gilligan Karl Pillemer 《Journal of marriage and the family》2009,71(4):1026-1038
Data were collected from 708 adult children nested within 274 later‐life families from the Within‐Family Differences Study to explore the role of perceived maternal favoritism in the quality of sibling relations in midlife. Mixed‐model analyses revealed that regardless of which sibling was favored, perceptions of current favoritism and recollections of favoritism in childhood reduced closeness among siblings. Recollections of maternal favoritism in childhood were more important than perceptions of current favoritism in predicting tension among adult siblings, regardless of age. Taken together, the findings from this investigation are consistent with childhood studies showing that siblings have better relationships when they believe that they are treated equitably by their parents. 相似文献
67.
Abstract. In this paper we apply a stochastic frontier approach to examine how matching inefficiencies and regional disparities in structural factors contribute to regional and aggregate unemployment. Our results suggest that there would be a substantial decline in aggregate unemployment if (i) all local labour offices operated with full efficiency or (ii) they shared the same structure of job seekers and vacant jobs as the most favourable office. In the former case an increase in hirings would lower the average unemployment rate by 2.4 percentage points. In the latter case the decrease would be 1.4 percentage points. Further, we find that fixed effects are positively correlated with both a more favourable structure and higher efficiency. This suggests that the fixed effects may capture some part of time‐invariant features in the structure and inefficiency. Thus, the role of structural factors and inefficiency in regional unemployment disparities may be higher than estimated. 相似文献
68.
The content of the first ten volumes of The Australian and New Zealand Journal of Family Therapy is analysed to provide a picture of the major themes and subject matter addressed in its formative years using the techniques of bibliometrics and content analysis. A methodology is developed for measuring the prevalence of subject content in the journal which could have application in other fields. The interdisciplinary character of family therapy is demonstrated by the diversity of cited end-of-article journal references. A list of most-cited journals is provided. The characteristics of authorship are discussed with respect to geographic dispersion, institutional affiliation, seniority and gender. The issue of collaborative authorship is discussed in relation to the patterns of co-authorship observed in this period, 1979–1989. The analysis identifies signs of the emergence of family therapy as a discrete field. The paper concludes also that there are positive signs of maturation of the journal. It offers some pointers about directions for the journal in the next phase ofits development. 相似文献
69.
Minichiello V Mariño R Browne J Jamieson M Peterson K Reuter B Robinson K 《Journal of homosexuality》2001,42(1):29-51
This article describes the socio-demographic and sex work characteristics of sex workers in Sydney, Melbourne, and Brisbane. A total of 185 male sex workers completed the questionnaire component of the study. The results of this study serve to debunk many of the myths surrounding the popular view of the male sex worker (MSW). The respondents in this study were on average 27 years old, and the majority had completed secondary education, with 30% having gained some form of tertiary qualification. Interestingly, those MSWs who had not completed secondary education were mostly street workers and were generally aged under 25 years. The majority of sex workers lived in rented accommodation, with only 6% reporting to be homeless. Half of all respondents identified as being "gay," 31% as "bisexual" and 5.5% as "straight." More than half of the respondents were in a permanent relationship. Only 7.3% of this group reported using heroin daily, although the majority consumed alcohol, tobacco, marijuana, and ecstasy. The majority of sex workers had been in the profession for less than six months, although some had been working in the industry for more than ten years. Most of the sex workers reported having taken an HIV test and a preference to offer safer sex. The article highlights ways in which the work context of MSW can be better understood and supported by education and public policy programs. 相似文献
70.
This study explores the impact of consumption changes, implemented during unemployment, on perceived economic, marital, and emotional functioning of 34 husbands and 34 wives. Questionnaires completed at the onset of unemployment assessed initial level of perceived functioning. Questionnaires completed one year later assessed the level of functioning in three areas and the extent to which seven categories of consumption changes were implemented. Multivariate analyses determined that credit use and income raising are significant predictors of economic satisfaction. Changes in income raising, credit use, planning, and store choice are significant predictors of marital adjustment. None of the changes predict depression.This research was supported by Arizona Research Station Project #174509-R-07-64 and is part of the Agriculture Experiment Station Project W-167 titled, Coping With Stress: Adaptation of Nonmetropolitan Families to Socioeconomic Changes.Mari S. Wilhelm is assistant professor and Carl A. Ridley is professor in the School of Family and Consumer Resources at the University of Arizona Tucson Arizona 85721 Dr. Wilhelm is presently conducting research in the areas of family financial stress and family financial decision-making. Dr. Wilhelm received her Ph.D. from Michigan State. Dr. Ridley, who received his Ph.D. from Florida State, is conducting research on conflict management behavior in marriage. 相似文献