创业团队声誉与新企业组织合法性关系研究

如何优化创业团队结构,更好地利用创业团队声誉促进组织合法性是新企业成长的重要前提。文章基于创业团队声誉与组织合法性视角,分析创业团队组成结构对创业团队声誉与组织合法性之间关系的调节作用。利用转型背景下209份中国新企业的数据,采用多元回归方法对研究假设进行了验证。研究结果显示：创业团队声誉与新企业组织合法性正相关。创业团队中具有行业经验的人数与年龄在40岁以上的人数分别正向调节创业团队声誉与组织合法性之间的关系。这一调节模型结论说明新企业可以通过提升创业团队声誉来促进新企业获得组织合法性,同时应注意通过优化创业团队组成结构,如行业经验人数和年龄结构,更有效地促进组织合法性。     

我国离农农民承包地退出补偿的构成与计量

承包地退出补偿是对离农农民放弃合法土地权益所造成效用价值损失的合理补偿,是增强离农农民承包地退出内在动力的客观要求,有利于促进城镇化和农业现代化。目前,我国各地在统筹城乡改革试验中对离农农民承包退出补偿的探索,存在补偿依据不清、补偿构成不合理以及补偿资金不足等问题。承包地退出补偿是对离农农民放弃土地承包权所造成的所有效用损失进行的补偿,应包含对承包地的＂生产资源价值＂＂保障价值＂＂财产预期价值＂和＂其他价值＂的补偿。目前我国各地农民的离农程度、离农类型差异较大,应分情况、分类别建立差异性的承包地退出补偿制度。     

Export diversification,composition, and economic growth: Evidence from cross-country analysis

We investigate the export-growth relationship at disaggregate levels – disaggregation both at the country level and at the level of exports – focusing on the diversification and the composition of exports of countries. In a sample of 65 countries for the period 1965–2005 the dynamic panel estimation reveals that both diversification and composition of exports are important determinants of economic growth after controlling for the impacts of other variables like lagged income, investment, and infrastructure. There is a critical level of export concentration beyond which increasing export specialization leads to higher growth. Below this critical level, diversification of exports matters for gross domestic product (GDP) growth. Growth of high technology exports also contributes tothe output growth; the relationship becomes stronger for countries that have share of manufacturing exports in their total exports greater than the world average. These results are robust even when the dataset isclassified in four sub-panels based on the export-economic growth relationship.     

美国物质产品生产部门产能过剩变动趋势及其原因的经验分析

1990-2011年美国采掘业、制造业和公用事业的资本积累和产出不断增长．但这种增长的背后却存在越来越严重的产能过剩问题。为了解释这一现象,笔者提出二个假定并进行统计检验,结果表明三部门的产能过剩主要归因于生产部门整体资本有机构成、三部门自身的利润率和资本积累的变化。此分析结果对于区分中国产能过剩形成过程中政府和市场的不同作用有一定借鉴意义。     

有界对称域上加权Bergman空间上的复合算子

利用Carleson测度给出了C^n中有界对称域Ω上Bergman空间的复合算子有界及紧的一些特征。     

The Importance of Board Quality in the Event of a CEO Death

We examine board quality and executive replacement decisions around deaths of senior executives. Stock price reactions to executive deaths are positively related to board independence. Controlling for such factors as the deceased's stockholdings, outside blockholdings, board size, and whether the deceased was a founder, board independence is the most significant factor explaining abnormal returns. Board independence is particularly important when there is no apparent successor and firm performance is poor. The results are consistent with independent boards being reluctant to discipline poorly performing incumbent managers, but nevertheless using the opportunity of an executive death to improve the quality of management.     

Equivalizing Incomes: A Normative Approach

The paper deals with the comparisonof living standards and investigates two normative methods ofderiving equivalizing transformations for a population whichhas different household types. The first one equates the utilitylevels of representative household members belonging to differenthouseholds. The second method evaluates the well-being of householdsby a social welfare ordering defined by means of household utilityfunctions. The methods can determine the implicit normative assumptionsinvolved in conducting distributional analysis using any equivalizingtransformation. In particular income-level dependent equivalencescales can be founded in this framework. The assumptions underlyingboth approaches are examined and compared.     

上海城市生活垃圾处置及污染防治对策研究

在对上海城市生活垃圾产量及组成特性分析的基础上,从技术可靠性、环境协调性和经济适用性对填埋、焚烧、生化处理三个垃圾处置方式进行了评价,并提出适合上海实际情况的生活垃圾处置技术路线.此外,对三种垃圾处置方式造成的环境污染和防治对策进行了探讨.     

Productivity growth and stock returns: firm- and aggregate-level analyses

A firm’s stock return is affected not only by its own productivity growth rate, but also by other firms’ productivity growth rates. We show that this spillover effect is significant and time-varying, and underlies a fallacy of composition observed in late 20th century U.S. data: stock returns and productivity growth are correlated positively in firm-level data but negatively in aggregate data. This seeming fallacy of composition reflects Schumpeterian creative destruction: a few technology winners’ stocks rise with their rising productivity while many technology losers’ stocks fall with their declining productivity. Thus, most individual firms’ stock returns correlate negatively with aggregate productivity growth. This implies that technological innovation need not be a blessing for all firms and as a result, for investors holding the market. Our findings also provide a firm-level technology innovation-based explanation of prior findings that the market return correlates negatively with aggregate earnings.     

网络教学试题库与智能组卷系统的设计与实现

文章介绍了一个基于校园网的试题库与智能组卷系统的设计理论和实现技术。基于.NET技术实现了系统体系结构设计和数据库设计,使教学有了更为客观的考核与评估方式,实现了考教分离。