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31.
Suppose that data {(x l,i,n , y l,i,n ): l?=?1, …, k; i?=?1, …, n} are observed from the regression models: Y l,i,n ?=?m l (x l,i,n )?+?? l,i,n , l?=?1, …, k, where the regression functions {m l } l=1 k are unknown and the random errors {? l,i,n } are dependent, following an MA(∞) structure. A new test is proposed for testing the hypothesis H 0: m 1?=?·?·?·?=?m k , without assuming that {m l } l=1 k are in a parametric family. The criterion of the test derives from a Crámer-von-Mises-type functional based on different distances between {[mcirc]} l and {[mcirc]} s , l?≠?s, l, s?=?1, …, k, where {[mcirc] l } l=1 k are nonparametric Gasser–Müller estimators of {m l } l=1 k . A generalization of the test to the case of unequal design points, with different sample sizes {n l } l=1 k and different design densities {f l } l=1 k , is also considered. The asymptotic normality of the test statistic is obtained under general conditions. Finally, a simulation study and an analysis with real data show a good behavior of the proposed test. 相似文献
32.
We study distributional properties of generalized order statistics (gos) related by a random shift or scaling scheme in the continuous and discrete case, respectively. In the continuous case, we obtain new characterizations of distributions relating non-neighbouring gos extending some results given in the literature for the neighbouring cases. On the other hand, in the discrete case, we investigate the existence and uniqueness of a discrete parent distribution supported on the integers whose gos are related by a random translation. 相似文献
33.
34.
Annemarie Gockel Xiaolei Deng Sojourner Gleeson Amalia Leamon 《Social work with groups》2019,42(4):275-290
ABSTRACTSocial work educators are exploring the benefits of mindfulness training for social work pedagogy. The authors evaluate the outcomes of a mindfulness program for MSW students. The authors assessed changes in mindfulness, self-compassion, affect, mood, and impairment due to emotional distress before and after the program, and at 4-month follow-up. The authors examine how the group process may facilitate the development of mindfulness and consider how mindfulness practices can support group development and student learning. Results demonstrate that mindfulness training supports student self-regulation and well-being and suggest that the active ingredients of the group process may play a role in mindfulness training outcomes. 相似文献
35.
This literature review analyzes leading international business and management journals from 2000 to 2012 in order to explore the role of national culture in international business research. Through the analysis of the 265 selected articles, the study thematically maps the field and identifies research challenges and opportunities. It reflects on avenues for future research related to both thematic and methodological issues, among them: research focused on the impact of the home/host national culture on internationalization processes (as existing literature mainly focuses on cultural distance); the role to be played by new theoretical frameworks; and the need to consider cultural positions and cultural friction rather than traditional cultural distance when analyzing internationalization decisions. 相似文献
36.
Irene Lapuerta Pau Baizán María José González 《Population research and policy review》2011,30(2):185-210
This paper analyzes the extent to which individual characteristics, the workplace situation, and regional policies influence
the use and duration of parental leave in Spain. The research is based on a sample of 125,165 individuals, and 6,959 parental
leaves covered in the “Muestra Continua de Vidas Laborales” (MCVL-2006). The MCVL consists of administrative register data,
which include information from three different sources: The social security system, municipal and income tax Registers. We
adopt a simultaneous equations approach to analyze the determinants of the use (logistic regression) and duration (event history
analysis) of parental leave, which allows us to control for endogeneity and censored observations. Our results suggest that
the Spanish parental leave scheme increases gender and social inequalities, insofar as it reinforces gender role specialization,
and only encourages the reconciliation of work and family life among workers with a good position in the labor market (educated
employees with a high and stable work status). 相似文献
37.
Ángela González-Moreno Francisco J. Sáez-Martínez 《Journal of Management and Governance》2008,12(3):261-285
Strategic group literature has generated a significant amount of research over recent decades. However, the rivalry implications
of strategic group have remained unclear. This paper analyses rivalry and strategic groups in the house building industry
in a small town from a cognitive approach. We consider rivalry as a subjective and directional phenomenon. Estimating rivalry
as the direct identification of competitors we try to explain whether similarity affects rivalry and what factors make a company
a “rival”. Results show that perceived rivalry is strongly related to size, past performance, subjective similarity and strategic
group structure.
ángela González-Moreno is Professor of Strategic Management at the Faculty of Economics, University of Castilla-La Mancha, Spain, where she is Vice-Dean of the Faculty of Economics. She got a degree in Economics and Business Administration from the University of Valencia and a PhD in Management from the University of Castilla-La Mancha. Her research interests include innovation in the service sector, corporate entrepreneurship and strategic analysis. Francisco J. Sáez-Martínez is Professor of General Management at the Faculty of Economics, University of Castilla-La Mancha, Spain, where he is Academic Director of the Vice-Rectorship of Students. He received a degree in Economics and Business Administration from the University of Valencia and a PhD in Management from the University of Castilla-La Mancha. His research interests include strategic analysis, managerial and organizational cognition, entrepreneurship and innovation. 相似文献
Francisco J. Sáez-Martínez (Corresponding author)Email: |
ángela González-Moreno is Professor of Strategic Management at the Faculty of Economics, University of Castilla-La Mancha, Spain, where she is Vice-Dean of the Faculty of Economics. She got a degree in Economics and Business Administration from the University of Valencia and a PhD in Management from the University of Castilla-La Mancha. Her research interests include innovation in the service sector, corporate entrepreneurship and strategic analysis. Francisco J. Sáez-Martínez is Professor of General Management at the Faculty of Economics, University of Castilla-La Mancha, Spain, where he is Academic Director of the Vice-Rectorship of Students. He received a degree in Economics and Business Administration from the University of Valencia and a PhD in Management from the University of Castilla-La Mancha. His research interests include strategic analysis, managerial and organizational cognition, entrepreneurship and innovation. 相似文献
38.
Eduardo Martín Carla González‐García Jorge F. del Valle Amaia Bravo 《Child & Family Social Work》2018,23(1):1-7
Therapeutic residential care (TRC) is the name given to specialized children's homes for treating cases with severe emotional and behavioural problems that have been placed in residential care. A recent international review has revealed great diversity in the referral criteria of cases and in the models of intervention carried out. The goal of this study is to describe the population treated in these types of facilities in Spain and the therapeutic coverage given. The sample is made up of 215 young people in children's homes, of whom 93 are in TRC. The cases referred to TRC have been in residential care for less time but have gone through a greater number of placements. These young people also exhibit more problems of drug use, and there is a larger percentage of clinical‐range cases in the Child Behaviour Checklist scales of attention problems and aggressive behaviour. Nevertheless, the results of logistic regression indicate that the only variables that significantly increase the probability of being referred to TRC are drug use and changes of care placements. With regard to therapeutic care, there is a higher percentage in the TRC group receiving psychiatric care, and the sessions are also more frequent. 相似文献
39.
Reinaldo B. Arellano-Valle Luis M. Castro Graciela González-Farías Karla A. Mu?oz-Gajardo 《Statistical Methods and Applications》2012,21(4):453-473
In statistical analysis, particularly in econometrics, it is usual to consider regression models where the dependent variable is censored (limited). In particular, a censoring scheme to the left of zero is considered here. In this article, an extension of the classical normal censored model is developed by considering independent disturbances with identical Student-t distribution. In the context of maximum likelihood estimation, an expression for the expected information matrix is provided, and an efficient EM-type algorithm for the estimation of the model parameters is developed. In order to know what type of variables affect the income of housewives, the results and methods are applied to a real data set. A brief review on the normal censored regression model or Tobit model is also presented. 相似文献
40.
Giselle M. Rivera-Vélez Maribella González-Viruet Alfonso Martínez-Taboas Deborah Pérez-Mojica 《Journal of child sexual abuse》2013,22(1):55-73
This study compared the memory, attention/concentration, and executive functioning of 12 women with histories of child sexual abuse with a control group of 12 women without childhood abuse. Participants completed a neuropsychological test battery and various instruments assessing post-traumatic stress disorder and dissociation. The child sexual abuse group had lower performance than the control group on long- and short-term visual and verbal memory and presented more limited performance on executive functioning tasks. Functioning in these areas showed a negative correlation with post-traumatic stress disorder and dissociative symptoms. These findings suggest that child sexual abuse is associated with memory and executive functioning deficits and supports the idea that people with trauma histories and increased post-traumatic stress disorder and dissociation symptoms may have alterations in neuropsychological functioning. 相似文献