新制度经济学视阈中的当代中国意识形态建构

整体上看,中国的意识形态为改革演进起到了新制度经济学所说的良好的社会动员、社会整合和激励作用,确保了改革的成功。但主流意识形态在理论和现实的挑战与冲突中趋于弱化,也是不争的事实。建构当代中国的意识形态,要以马克思主义为指导,牢牢把握先进文化的前进方向;应把个人精神生活、一般思想理论与国家意识形态适当分离,在个人观念的竞争中实现接合;应提炼现实、接轨世界、转型话语,以社会公正与和谐为中心进行价值重组,积极创新与发展马克思主义,赢得接合中的主导权;应继续保证政治统治的"绩效合法性"。     

也谈制播分离

制播分离是关涉中国广电改革的重要命题。经过十多年的曲折发展,正进入到全面突破的关键时期。文章在分析制播分离实质、背景及路径选择的基础上,对新一轮制播分离改革需要重视的关键性问题进行了探讨。     

On the genealogy and coalescence times of Bienaymé–Galton–Watson branching processes

Coalescence processes have received a lot of attention in the context of conditional branching processes with fixed population size and non-overlapping generations. Here, we focus on similar problems in the context of the standard unconditional Bienaymé–Galton–Watson branching processes, either (sub)-critical or supercritical. Using an analytical tool, we derive the structure of some counting aspects of the ancestral genealogy of such processes, including: the transition matrix of the ancestral count process and an integral representation of various coalescence times distributions, such as the time to most recent common ancestor of a random sample of arbitrary size, including full size. We illustrate our results on two important examples of branching mechanisms displaying either finite or infinite reproduction mean, their main interest being to offer a closed form expression for their probability generating functions at all times. Large time behaviors are investigated.     

试论东北民族融合过程中的双语现象-满语衰亡原因考证亡二

民族是一种社会现象。民族之间的接触必须使用语言。双语现象是人类社会活动中族际交往所产生的必然。这一语言变化过程不仅涉及到互相接触的每一种语言发展的自然状况和语言使用者的人文情况 ,还涉及到每一种语言的自身语言状况和相互关系等因素。本文所论述的东北地区历史上民族语言的变化过程典型地展示了双语现象的基本规律、模式等重要问题