评马克思主义哲学的“困境”

哲学的困境是一个世界性的问题 ,它反映了工业化社会普遍存在的科技与人文的失衡与矛盾。然而 ,中国共产党领导中国人民革命和建设的光辉历程证明 ,没有马克思主义哲学世界观和方法论的指导 ,就没有中国革命和建设的成就。马克思主义哲学只有立足现实 ,与时俱进 ,具有世界眼光和感召力 ,才能发挥其认识世界和改造世界的方法论作用。     

Understanding Multiple Group Identities: Inserting Women into Cultural Transformations

The study of cultural transformations in the United States has been studied predominantly from an assimilation/acculturation framework. There are several drawbacks to this theoretical perspective, chief among them being the exclusion of gender in examining what happens to different ethnic/racial groups when they come into contact. Feminist writings in the last twenty years provide a rich discussion of how inserting women into this social process would enrich our knowledge about human behavior in general and cultural change specifically. This paper reviews the literature on the assimilation/acculturation framework and integrates the most recent developments in feminist theory to provide a new alternative to studying cultural transformations. The social engagement model takes into account gender as well as other significant social identities like ethnicity/race, class, and sexuality to study how groups change as they come into contact with each other.     

Early Intervention in Portugal: Study of Professionals’ Perceptions

Early intervention (EI) has been characterized by considerable advances in its domain, which has had great repercussions in the implementation of the family-centered approach. These changes have had implications in the practices and in the adoption and learning of new values that should be implemented in EI. This study evaluates the professional perspectives regarding family-centered practices in EI programs in Portugal. The results highlight the importance of effective collaboration and coordination between health, education, and social services and the importance of providing child and family support in a natural context. These results reinforce the need to invest in professional training to improve the quality of services offered to families in EI.     

Alike but not alike: Welfare state and unemployment policies in Southern Europe. Italy and Portugal compared

Although Italy and Portugal are considered to be part of the same welfare state family – the Southern European one – analysis of a key component of the welfare state, namely, unemployment policies and regulations, reveals a different evaluation. A comparative analysis of a series of specific indicators of Italian and Portuguese unemployment regimes shows that they represent two different models. Portugal appears to be a more inclusive system, closer to continental or Northern European countries than it is to Italy, or at least representing a hybrid system that combines characteristics of continental European welfare states with characteristics that are more typical of Southern European welfare states. Italy, on the contrary, is much more clearly a Southern European welfare state.     

中国居民收入代际流动性测度——“二代”现象经济分析

近年来“二代”现象广受热议。收入的代际流动问题,实质是经济资源或经济地位的代际传承问题。作为社会收入代际流动程度的衡量指标,收入代际流动系数的正确测度是该领域实证研究的核心问题之一。针对现有文献的不足,通过构建一个合理的IV估计量分析框架,得到了代际流动系数的一致估计;并基于CHNS的调查数据测度了中国居民收入的代际流动系数,估计值为0.830,位于包含参数β真值的估计区间［0.615, 1.280］中。通过与其他国家的比较,认为：中国目前仍是一个收入代际流动性较低的社会,父辈收入水平对子辈的收入有着很重要的影响;中国要改善经济不平等的状况,还有很长的路要走。     

A Computer Program to Improve LR Tests for Generalized Linear Models

Generalized linear models enable the fitting of models to a wide range of data types. These models are based on exponential dispersion distributions. Improved likelihood ratio tests for these models were developed by Cordeiro (1983 Cordeiro , G. M. (1983). Improved likelihood ratio statistics for generalized linear models. Journal of the Royal Statistical Society, Series B: Methodological 45:404–413. [Google Scholar])Cordeiro (1987 Cordeiro , G. M. ( 1987 ). On the corrections to the likelihood ratio statistics . Biometrika 74 : 265 – 274 .[Crossref], [Web of Science ®] , [Google Scholar]). We present a simple R program source for calculating Bartlett corrections to improve likelihood ratio tests in these models. The program was tested on some special models, confirming all of the previously reported numerical results for the Bartlett corrections.     

Asymptotic linearity and limit distributions,approximations

Linear and quadratic forms as well as other low degree polynomials play an important role in statistical inference. Asymptotic results and limit distributions are obtained for a class of statistics depending on μ+X$\mu +\mathbf{X}$, with X any random vector and μ$\mu$ non-random vector with ∥μ∥→+∞$\parallel \mu \parallel \to +\infty$. This class contain the polynomials in μ+X$\mu +\mathbf{X}$. An application to the case of normal X is presented. This application includes a new central limit theorem which is connected with the increase of non-centrality for samples of fixed size. Moreover upper bounds for the suprema of the differences between exact and approximate distributions and their quantiles are obtained.     

On the maximum of periodic integer-valued sequences with exponential type tails via max-semistable laws

In this work we study the limiting distribution of the maximum term of periodic integer-valued sequences with marginal distribution belonging to a particular class where the tail decays exponentially. This class does not belong to the domain of attraction of any max-stable distribution. Nevertheless, we prove that the limiting distribution is max-semistable when we consider the maximum of the first k_n observations, for a suitable sequence {_kn}$\{k_n\}$ increasing to infinity. We obtain an expression for calculating the extremal index of sequences satisfying certain local conditions similar to conditions D^(m)(_un)$D^{(m)}(u_n)$, m∈N$m\in \mathbb{N}$, defined by Chernick et al. (1991). We apply the results to a class of max-autoregressive sequences and a class of moving average models. The results generalize the ones obtained for the stationary case.