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1.
William G. Herron Rafael Art Javier Maura McDonald-Gomez Lydia K. Adlerstein 《Journal of Social Distress and the Homeless》1994,3(3):213-228
This paper suggests a direction for the exploration of the causes of family violence. Explanatory models of family violence were considered in this regard, with the recommendation that a multi-determined model should be considered to ensure the most accurate explanation. We suggest that family violence will be best understood and prevented or alleviated, if a model is used that considers the interaction of structural violence and the personality features of all the family members. 相似文献
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This article analyzes a growing group of fixed T dynamic panel data estimators with a multifactor error structure. We use a unified notational approach to describe these estimators and discuss their properties in terms of deviations from an underlying set of basic assumptions. Furthermore, we consider the extendability of these estimators to practical situations that may frequently arise, such as their ability to accommodate unbalanced panels and common observed factors. Using a large-scale simulation exercise, we consider scenarios that remain largely unexplored in the literature, albeit being of great empirical relevance. In particular, we examine (i) the effect of the presence of weakly exogenous covariates, (ii) the effect of changing the magnitude of the correlation between the factor loadings of the dependent variable and those of the covariates, (iii) the impact of the number of moment conditions on bias and size for GMM estimators, and finally (iv) the effect of sample size. We apply each of these estimators to a crime application using a panel data set of local government authorities in New South Wales, Australia; we find that the results bear substantially different policy implications relative to those potentially derived from standard dynamic panel GMM estimators. Thus, our study may serve as a useful guide to practitioners who wish to allow for multiplicative sources of unobserved heterogeneity in their model. 相似文献
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The Environmental Protection Agency's (EPA's) estimates of the benefits of improved air quality, especially from reduced mortality associated with reductions in fine particle concentrations, constitute the largest category of benefits from all federal regulation over the last decade. EPA develops such estimates, however, using an approach little changed since a 2002 report by the National Research Council (NRC), which was critical of EPA's methods and recommended a more comprehensive uncertainty analysis incorporating probability distributions for major sources of uncertainty. Consistent with the NRC's 2002 recommendations, we explore alternative assumptions and probability distributions for the major variables used to calculate the value of mortality benefits. For metropolitan Philadelphia, we show that uncertainty in air quality improvements and in baseline mortality have only modest effects on the distribution of estimated benefits. We analyze the effects of alternative assumptions regarding the value of reducing mortality risk, whether the toxicity is above or below the average for fine particles, and whether there is a threshold in the concentration‐response relationship, and show these assumptions all have large effects on the distribution of benefits. 相似文献
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蓝善康 《重庆师范大学学报(哲学社会科学版)》2020,(6):33
文艺座谈会是现代中国文学生产中的重要现象。全面抗战以来的文艺座谈会可将重要性作为量度进行阶段划分,各阶段的起承转合与政治话语的介入密切关联。大后方文艺座谈会的阶段性形态伴随着文艺通俗化运动的起落、旧文艺与新文艺的此消彼长,体现出介入现实、参与抗战、改造文艺的雄心和魄力。大后方文艺座谈会立足于战时国家层面发出文艺之声,其鲜明的议题意识体现出左右文艺进程的倾向,某些议题成为延安文艺座谈会的前奏,具有独特的价值和意义。大后方文艺座谈会依托文化团体及其刊物召开,具有一定的文学派性倾向,会期的不确定性和气氛的民主性为文学话语生产提供了较为自由的空间。 相似文献
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Hoffer W 《Association management》1982,34(12):A31, A33, A35 passim
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Colm Art O'cinneide 《The American statistician》2013,67(4):292-293
Statistics education is often restricted to teaching the mathematical equations and theories that form the foundation of statistical analysis. It can be argued, however, that the interpretation of the analysis and the communication of the results are equally important. The interdisciplinary role of statisticians requires us to examine real-life problems critically and communicate analytical results to nonstatisticians in a clear and concise manner. This article discusses the importance of including writing assignments as a routine part of statistics courses and presents benefits of the increased use of writing. 相似文献