SV模型参数估计的经验特征函数方法

计算基本SV模型和杠杆效应SV模型的联合特征函数，借助经验特征函数方法估计这两个SV模型。使用上海和深圳股票指数收益数据进行实证研究，结果表明经验特征函数方法是一种简单易行的估计SV模型的方法。     

关于经济学研究方法的几点思考

开展经济学研究,既要重视实证研究,也绝不能忽视甚至歧视、压制规范研究,只要能达到为社会服务的目的,有无完美的研究体系并不重要;经济学研究中,经验性的方法论和唯理性的方法论都有用且有效,并无优劣之分,应允许研究者根据各自的研究习惯和特长选择使用;经济学研究中,定性研究不仅需要而且应作为首选的研究方法,应在定性研究基础上进行定量研究.     

也论中西精神--与张秀成先生商榷

本文认为，中学和西学各有优劣，应互相吸取，但在总体上是西学优于中学。首先，在思维方式上，西学的分析思维，使西方社会分工较细，促进了社会化大生产的产生；也使西学学科门类众多；西学在方法上崇尚专精深，对任何问题都穷追不舍，非要证明或证伪，促进了科学的进步。中学的综合思维则使中国社会分工不细，学科门类不多，在研究方法上则不究细节。其次在义利关系上，西方私有神圣，最后却私也有了公也有了；中国公有神圣，改革开放前却公也没有私也没有。再次，在男女关系上，西学以个体为本，正是为了自身的尊严不受侵犯，才不得侵犯他人的尊严，这就有了平等精神。相反，古代中国的根本大法是三纲五常，夫为妻纲、男尊女卑，被论述为符合阳主阴辅的天道法则，追求男女平等，就是违反天道，就会被天诛地灭，中国没有男女平等。     

基准组合偏差导致基金业绩误差的实证研究

实证分析人为基准组合选择偏差对我国证券投资基金业绩的影响。首先运用常用评估方法，得出不同基准组合对我国证券投资基金的业绩结果，然后再分组对比各种业绩关系。     

中草药黄蜀葵的研究现状与展望

概述了近年来黄蜀葵生物学特性、栽培试验、化学成分、药理实验及新药开发的研究现状,并分析目前研究中存在的问题及今后的研究开发趋势,展望其可在研究和开发治疗缺血性心脏病和缺血性脑血管病等系列新药中取得重大的突破.     

永不消失的白螺号——访藏学大师东噶·洛桑赤列先生

东噶·洛桑赤列教授是享誉国际国内的藏学家，国家级专家，曾担任中国藏学研究中心副总干事和西藏社会科学院名誉院长等行政职务，先后任中央民族大学藏学院、西藏大学文学院教授。在他长期的坎坷人生经历中，由一名农奴成为著名的藏传佛教活佛，由一名俄让巴密宗师转变为接受马克思主义的教授，成为著述等身的大师级学者。先后经历过新旧社会的变革，新旧文化的熏陶，他的学术思想在无数磨砺中闪闪发光，他的天资在特殊的文化环境中释放出无穷的能量，他的人品、治学精神，在学术领域永无止境的追求探索的精神和他留下的20多部学术著作，已经成为中华民族一笔宝贵的文化遗产。文章根据1984年冬至1997年2月之阍陆续采访的记录（手稿），主要对东噶·洛桑赤列先生的人生历程、研究成果、学术观点、治学精神等方面的内容进行了摘编。     

钟敬文与杭州中国民俗学会的活动及历史地位

杭州中国民俗学会是中国民俗学发展史中具有特殊意义的一个阶段，这一阶段的特殊性就在于它不仅建立起一个松散的同仁性组织，还在于通过民俗学者，尤其是钟敬文先生的努力，使中国民俗学开始变得成熟和具有现代性，对后来的民俗学研究产生了巨大的影响。     

Algorithmic compression of empirical data: reply to Twardy, Gardner, and Dowe

This discussion note responds to objections by Twardy, Gardner, and Dowe to my earlier claim that empirical data sets are algorithmically incompressible. Twardy, Gardner, and Dowe hold that many empirical data sets are compressible by Minimum Message Length technique and offer this as evidence that these data sets are algorithmically compressible. I reply that the compression achieved by Minimum Message Length technique is different from algorithmic compression. I conclude that Twardy, Gardner, and Dowe fail to establish that empirical data sets are algorithmically compressible.     

Population biology of bryozoans: correlates of sessile,colonial life histories in freshwater habitats

Bryozoans are common, often abundant, sessile, colonial invertebrates of freshwaters. By reviewing what is known of their general ecology and considering in further detail the population biology of specific groups, we provide evidence that 1) populations are locally ephemeral and regional persistence is attained via a dynamic equilibrium between dispersal and colonization, and 2) sex may often be infrequent and a high degree of clonality obtains at both local and regional scales. On the basis of these characteristics we discuss how the group offers exceptional opportunities for investigating a number of fundamentally important ecological and evolutionary questions.The highly curious modification of the Molluscan type which the Polyzoa [=Bryozoa] present... the great beauty of their forms, and the facility with which they can in general be observed in a living state, cannot but render them special favorites for every lover of Nature; and for the more profound student must confer on them a peculiar significance, and invest their study with a scientific interest which is scarcely surpassed by that of any other group of animals.... (Allman 1856)     

Effects of atmospheric pollution on human health

Most air pollutants do not lead to specific diseases. Depending on the pollutant, the concentration and the duration of exposure, some organs are more affected than others. The most frequent disorders are those caused by irritant gases and particulates on the mucous membranes and respiratory organs. The consequences are eye, nose and throat inflammations, diminished lung function, increased susceptability to respiratory infection and a higher incidence of chronic bronchitis. These disorders and diseases are, of course, influenced by other factors as well, such as immune deficiency, allergies, occupational exposure to pollutants, and particularly smoking. The effects of air pollutants are, therefore, multifactorially conditioned and nonspecific disorders are placed in the foreground. Evidence for an association of air pollution with adverse effects on human health is drawn from three sources: animal experiments, experimental human exposures, and epidemiologic studies of exposed human populations. The burden of atmospheric pollution must be reduced to protect human health by an adequate safety margin. In particular, the increased sensitivity of sick and aged people as well as children should be taken into account. In defining the maximum emmission levels, preventive aspects should have priority so as to keep the risk of damage to health and the harmful influences on the environment to a minimum.This article Effects of atmospheric pollution on human health by H. U. Wanner is a revised version of the same article that was first published in the Proceedings of the 1990 European Aerosol Conference; special issue of the J. Aerosol Sci., Vol. 21, Suppl. 1 (1990) 389–396.Reprinted with kind permission from Pergamon Press Ltd, Headington Hill Hall, Oxford OX3 0BW, Great Britain.