Repairing the safety net: Is the EITC the right patch?

Using data from the Michigan Panel Study of Income Dynamics, this article estimates the impact of the Earned Income Tax Credit (EITC) on economic risk. Risk is measured through the variance of full income (income holding labor supply constant). The results show that the EITC significantly reduces economic risk, but its effects are weaker dollar for dollar than traditional means-tested programs like Food Stamps. The difference is not statistically significant, however. Moreover, for many middle-class people, the risk-reduction benefits of the EITC exceed the tax burden it imposes. This is less true of means-tested transfers. These results are significant for the politics of antipoverty policy. They show that a real-world antipoverty program can generate enough middle-class economic security to build for itself a solid base of political support.     

Detracking America's schools: Equity at zero cost?

Schools across the country are ending the practice of grouping students based on ability, in part, because of research indicating that tracking hurts low-ability students without helping students of other ability levels. Using a nationally representative survey conducted by the National Center for Education Statistics, (NCES) we reexamine the impact of tracking on high school student achievement through the estimation of a standard education production function. This approach allows us to control for the possibility that track is correlated with factors such as class size and teacher education. In addition, we address the possibility that there are unobserved student or school characteristics that affect both achievement and track placement. Our results indicate that abolishing tracking in America's schools would have a large positive impact on achievement for students currently in the lower tracks, but that this increase in achievement would come at the expense of students in upper-track classes.     

论新认同政治与欧洲认同的逐步形成

肇始于战后的欧洲一体化进程发展到今天已经进入经济政治的全方位联盟。然而,欧洲联盟不仅仅是一个利益和目的的共同体,它还应该是一个文化和理念的共同体,为所有的欧洲公民创造一个情感归属的“精神家园”。而欧洲认同的建构是实现这一目标的唯一途径,那么如何解读并建构一种共同的欧洲认同?本文试图从欧洲认同感产生、新欧洲认同政治以及欧洲认同的逐步形成等三个方面对欧洲认同这一历史现象进行考察。     

The next steps in academic integrity — education,awareness, norms,duty and law

We conducted and analyzed several internet surveys in order to understand the profile of global research integrity and ethical awareness, encompassing global population distribution. These were (1) the global distribution of Committee of Publishing Ethics (COPE) membership; (2) the global distribution of “Integrity” or “Ethics” journals; (3) the level of academic integrity awareness in European higher education institutions and (4) awareness of academic integrity in the top universities of Asia and Africa. The results of this survey series highlight seriously imbalanced awareness of research integrity and publishing ethics across the world, especially in developing areas with the highest population density. We therefore propose a new index, the “Academic Integrity Awareness Index” for future discussions across the linked spheres of publishing and research.     

老中建交45年来的合作成果

在2006年4月25日中国和老挝建交45周年之际,老挝老中合作委员会公布了老中建交45年来的合作成果。老挝与中国山水相连,有着505公里的共同边界。两国人民自古以来有着传统的友谊,在过去长期的革命斗争年代,老中两党、两国和两国人民互相支持帮助,结下了深厚的友谊。特别是生活在     

高绩效政府的创建与公信力问题

高绩效政府是政府形象建设的一个重要方面,而良好的政府形象无疑是提升政府公信力的法宝。从这个意义上来看,政府公信力的提升有赖于高绩效政府的创建。高绩效政府是一个公众满意度高的政府、是一个有限而强大的政府、是一个服务型政府。高绩效政府的创建需要政府百折不挠的努力,有赖于政府对信誉的重视,需要重视领导艺术,是一个共同参与的过程。     

马克思主义中国化与中共思想史阶段划分问题

长期以来,党史学界在中共党史和中共思想史阶段划分问题上,存在一定程度的混淆。本文以中共思想史研究对象的界定为切入点,就中共思想史分期标准及掌握尺度提出看法,并对不同历史阶段中共思想史的主要内容和发展特征作了描述。     

刘友光征战辽南二三事

中国人民解放军第二炮兵原副政治委员刘友光同志离开我们已有18个年头了,这位1932年参加革命的老红军,戎马生涯中相当多的时间是在东北度过的。特别是在解放战争中,他为辽南的解放付出了大量心血,作出了重大贡献,深受部队官兵的爱戴和拥护,这里记述的是他在辽南解放战争中的几个片段,以此来纪念我一生中最敬重的这位老首长。不让一个伤员掉队1946年冬,国民党精锐部队向我辽南地区发动全面进攻。正值冰天雪地,国民党军队不仅枪炮是美国装备,而且从头到脚都是美国特制的防寒服装。而我军刚从关内各抗战前线下来,还没来得及休整和换装,大多数部…     

Motivations for Social Media Use: Associations with Social Media Engagement and Body Satisfaction and Well-Being among Adolescents

Journal of Youth and Adolescence - Adolescents are spending considerable time on social media, yet it is unclear whether motivations for social media use drive different forms of social media...     

浅论中东欧国家政治体制的欧盟化问题

中东欧国家在上世纪80年代末发生剧变后,开始了其体制转轨。经过10多年的发展,在政治体制方面出现了与欧盟原有成员国的模式接近并趋同的过程,即欧盟化的过程。这种趋同既有中东欧国家自身的原因,又有欧盟的驱动和压力,欧盟对于中东欧国家的欧盟化过程提供了帮助和支持。当然,中东欧国家与欧盟原有成员国的模式相比仍有较大的差距。中东欧国家既面临本身机制转轨的压力,又面临加入欧盟的压力。这种双重压力在它们入盟后仍将继续存在,并影响其政治体制运行的质量和在欧盟中的地位。