《阿Q正传》艺术谱系析解

《阿Q正传》的艺术谱系可从叙事与形象两方面采用作品细读的方法来查考。《阿Q正传》的叙事手法与中国小说的史传式叙事手法恰相反对,而与《红楼梦》紧密相承;阿Q的精神气质是《庄子》“圣人”形象经历史积淀后的粗卑化呈现。     

我国上市公司社会责任与企业价值关联性分析——以房地产开发与经营业为例

基于财务报告的指标体系、运用主成分分析的方法,对在我国深、沪上市的房地产开发与经营业公司企业价值（以托宾Q衡量）与所建指标体系之间的关系进行实证分析。分析结果表明：样本公司财务报告所反映的其社会责任履行情况与其企业价值相关关系显著,这一实证结果表明企业的社会责任履行对现代企业来说,已经不是一个可有可无的附属品,在企业生存和发展过程中发挥着越来越重要的作用。     

上市公司财务杠杆与绩效的相关性研究

通过对我国上市公司财务杠杆指标的实证分析,研究了公司财务杠杆与公司基本面之间的相关关系。文中选取2003年至2005年沪市和深市部分上市公司为研究对象,运用一元和多元回归分析。考察了财务杠杆与净资产收益率、每股收益、总资产收益率、Tobin’s Q值的相关性。     

张学良主政东北时的反日行动

张学良主政东北期间,国难家仇系于一身,反日思想极为浓烈,先后在东北推行了一系列反日政策,并付诸实施。如摆脱日本羁绊毅然“易帜”;推行“Q型计划”包围满铁;实施反日教育等等。     

论王任叔小说中的阿Q家族

鲁迅笔下的阿Ｑ使王任叔深受感染,在他小说中刻画的“光棍党”身上,可以见到阿Ｑ的影子,成为其小说中的阿Ｑ家族。窘困潦倒的处境、人的正当生活的要求、朦胧的革命愿望、麻木愚昧的心态、悲哀的遭遇结局,都使“光棍党”带有浓郁的阿Ｑ色彩．王任叔采用与鲁迅相似的幽默与讽刺交融的手法,丰富了新文学的人物画廊,推进了对于国民性问题的思考与批判．     

(Q,r)库存中的提前期压缩问题研究

本文在提出了新的具有分段可微特征的提前期压缩成本函数的基础上,构建了一个两阶段(Q,r)库存模型。并在一定服务水平约束条件下,进一步利用成本函数分段可微的特性结合数学分析的理论将原问题分解为一个无约束问题和一个等式约束问题。理论分析及算例表明,可以通过合理的确定模型中的订货量Q、订货点r、提前期加速因子τ等参数值使得在服务水平得到一定提高的同时成本也得到优化。     

Profit efficiency analysis under limited information with an application to German farm types

Lack of information about technology and prices often hampers the empirical assessment of the profit maximization hypothesis (viz. by measuring the degree of profit efficiency). The non-parametric Data Envelopment Analysis (DEA) methodology can deal with such incomplete information. We exploit the implicit but largely neglected profit interpretation of the DEA model that builds on assumptions of monotone and convex production possibility sets. We show how its embedded assessment of necessary conditions for profit maximization can be strengthened given partial information in the form of monetary sub-cost/-revenue data (that are often easier obtained than the pure quantity data). Finally, we argue that a ‘mix’ efficiency analysis is naturally complementary to such a profit efficiency analysis. An application to German farm types complements our methodological discussion. By using non-parametric statistical tests, we further demonstrate the potential of the non-parametric approach in deriving strong and robust statistical evidence while imposing minimal structure on the setting under study. In particular, we look for significant efficiency variation over regions.     

緩变截面矩形波导开放式谐振腔

本文给出了求解缓变截面波导型开放式谐振腔的解析解,对缓变截面矩形疲导开放式谐振腔作了计算,求出了谐振频率,绕射Q值和场分布函数,所得结果与实验吻合。     

FROM MAIZE TO HAZE: AGRICULTURAL SHOCKS AND THE GROWTH OF THE MEXICAN DRUG SECTOR

Understanding how economic incentives affect illegal drug production is essential for crafting policies in response to the international drug trade. Policymakers typically face a choice between two strategies: targeting criminal groups via law enforcement, and offering producers incentives to engage in alternate activities. Yet, little is known about how the returns to alternate legal activities affect drug supply. We contribute to this literature by examining how shocks to legal commodity prices affect the drug trade in Mexico. Our analysis exploits exogenous movements in the Mexican maize price stemming from weather conditions in US maize‐growing regions, as well as exports of other major maize producers. Using data on over 2200 municipios spanning 1990–2010, we show that lower prices differentially increased the cultivation of both marijuana and opium poppies in municipios more climatically suited to growing maize. We also find impacts on downstream drug‐trade outcomes, including drug cartel operations and killings perpetrated by these groups. Our findings demonstrate that maize price changes contributed to the burgeoning drug trade in Mexico, and point to the violent consequences of an expanding drug sector.     

THE DYNAMICS OF CLIMATE AGREEMENTS

This paper analyzes a framework in which countries over time pollute and invest in green technologies. Without a climate treaty, the countries pollute too much and invest too little, particularly if intellectual property rights are weak. Nevertheless, short‐term agreements on emission levels then reduce every country's payoff, since countries invest less when they anticipate future negotiations. If intellectual property rights are weak, the agreement should be tougher and more long‐term. Conversely, if the climate agreement happens to be short‐term or absent, intellectual property rights should be strengthened or technological licensing subsidized.