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161.
本文通过对相关实证研究文献的疏理,从农民工总量规模、结构分布、对输出地贡献和对输入地影响四个方面对中国农民工的总体性状况进行了描述与分析。在总量规模的分析中,我们需要注意各调查的统计口径,值得注意的是,根据最新发布的农普调查数据,农村外出从业劳动力已达1.3亿,此处数据不含随外出从业劳动力外出的非劳动力人口。外出务工经商者以初中文化的青壮年为主,行业分布以制造业、建筑业和服务业为主,长距离迁移占很高比例。农民工跨区域转移这种就业结构变动对我国经济增长贡献巨大,已有研究估计对GDP增量贡献在20%左右。从输出地来看,总的影响是积极的,特别是收入状况的改善,但也留下了数量庞大的留守族。 相似文献
162.
José María Sarabia Enrique Castillo Marta Pascual María Sarabia 《Journal of Economic Inequality》2007,5(3):371-383
In this paper, the most general bivariate distribution with lognormal conditionals is fully characterized, using the methodology
proposed by [3]. The properties of the new family are studied in detail, including marginal and conditional distributions, regression functions,
dependence measures, moments and inequality measures. The new distribution is very broad, and contains as a particular case
the classical bivariate lognormal distribution. Several subfamilies are studied and a generalization of the basic model is
discussed. Finally, we present an empirical application. We estimate and compare the basic model proposed in the paper with
a classical model, using data from the European Community Household Panel in different periods of time. 相似文献
163.
Lourdes M. Rivera Eric C. Chen Lisa Y. Flores Fran Blumberg Joseph G. Ponterotto 《The Career development quarterly》2007,56(1):47-61
This study used path analysis to examine the relationship between perceived barriers, acculturation, and role model influence on the career self‐efficacy and career considerations of a sample of Hispanic women. Two path models were examined. The male‐dominated model accounted for 15% of the variance, and the female‐dominated model accounted for 26% of the variance. No relationship was found between the variables of interest and male‐dominated career self‐efficacy and consideration. However, perceived barriers were related to female‐dominated career consideration and Anglo acculturation significantly contributed to female‐dominated career self‐efficacy. Results are discussed with regard to career practice and research with Hispanic women. 相似文献
164.
Luminiţa Nicolescu Alina Drǎghici Roxana Voicu-Dorobanţu 《Transition Studies Review》2008,15(1):157-170
We examine the issue of regional competitiveness by taking as a discussion example the region of Southeastern Europe. The
paper begins with the concepts of national and regional competitiveness and finishes with the results of a survey on the region’s
competitiveness. 相似文献
165.
生态移民过程中的政府、市场与家户 总被引:2,自引:0,他引:2
通过对内蒙古S旗的实地研究,我们发现生态移民政策的实践过程是一个由中央政府、地方政府、市场精英、农牧民等多元社会行动主体共同参与的社会过程。在复杂互动关系的背后是由政府力量、市场力量以及地方民众所形成的权力和利益网络。自上而下的生态治理脉络中,地方政府处于各种关系的连接点上,其集“代理型政权经营者”与“谋利型政权经营者”于一身的“双重角色”,使环境保护目标的实现充满了不确定性。 相似文献
166.
Reference analysis, introduced by Bernardo (J. Roy. Statist. Soc. 41 (1979) 113) and further developed by Berger and Bernardo (On the development of reference priors (with discussion). In: J.M. Bernardo, J.O. Berger, A.P. Dawid, A.F.M. Smith (Eds.), Bayesian Statistics, Vol. 4, Clarendon Press, Oxford, pp. 35–60), has proved to be one of the most successful general methods to derive noninformative prior distributions. In practice, however, reference priors are typically difficult to obtain. In this paper we show how to find reference priors for a wide class of exponential family likelihoods. 相似文献
167.
According to the Census Bureau, 21.9 percent of children in the United States in 1992 were poor (25 percent if one considers only those under six). Those 14.6 million children comprise 40 percent of the total population living below the poverty line. This essay documents their plight, examines the secondary effects of poverty upon the person and community, analyzes why the current “subsidy” approach has been ineffective, seeks a holistic explanation for poverty, and proposes a universal approach based on “supplementation” and “empowerment.” Due to the present budget deficit, the program is designed to be revenue neutral; it should not require any additional taxes. 相似文献
168.
Life Expectancy, Schooling Time, Retirement, and Growth 总被引:1,自引:0,他引:1
Cruz A. Echevarría 《Economic inquiry》2004,42(4):602-617
I analyze how changes in life expectancy affect retirement age, education time, and growth rates of economies. I set up a continuous time, overlapping generations model of endogenous growth with externalities in human capital production. I find that increases in life expectancy give rise to first, higher retirement ages and second, higher education spans. A threshold level for life expectancy exists such that per capita growth rates follow an inverted U pattern. 相似文献
169.
The increasing availability of high-throughput data, that is, massive quantities of molecular biology data arising from different types of experiments such as gene expression or protein microarrays, leads to the necessity of methods for summarizing the available information. As annotation quality improves it is becoming common to rely on biological annotation databases, such as the Gene Ontology (GO), to build functional profiles which characterize a set of genes or proteins using the distribution of their annotations in the database. In this work we describe a statistical model for such profiles, provide methods to compare profiles and develop inferential procedures to assess this comparison. An R-package implementing the methods will be available at publication time. 相似文献
170.
Globalization is constantly changing the appearance of the modern world. The most intense processes of integration are taking
place in Europe in the framework of the European Union (EU) enlargement. Though the formal process is more or less concluded,
the subtle and informal ones still have a long way to go. Social structures (institutions, organizations, norms, etc.) and
actions depend on the cultural environment in the narrowest sense of the word: human perceptions and values. This poses the
basic question whether the economic-cultural orientations of the new EU member states are compatible with imported social
structures. We have done an empirical research using Hofstede's cultural dimensions and European Values Study database for
26 European countries (23 EU member states, 2 candidate countries, and Northern Ireland as a separate entity). We have also
compared the differences and similarities by applying the Ward method (cluster analysis) on our 10 constructed variables. 相似文献