一种基于数字测频的PCM/DPSK解调方法

本文提出了一种新颖的PCM／DPSK数字信号解调方法。通过数字测频算法，获取PCM／DPSK信号频率突变点，根据DPSK调制原理，实现PCM／DPSK信号的解调。文中详细介绍了此种解调方法的基本原理及实现过程，分析了解调过程中多普勒频率对解调结果的影响。计算机仿真结果表明，此方法比相干解调性能优越，抗干扰能力强，便于软件编程及DSP器件实现，具有一定的应用价值。     

Linking Culture and Ethics: A Comparison of Accountants’ Ethical Belief Systems in the Individualism/Collectivism and Power Distance Contexts

This study uses accounting professionals from an international setting to test the individualism and power distance cultural dimensions developed by Hofstede [Culture’s Consequences (Sage Publications, Beverly Hills, CA) 1980]. Six countries, which appropriately represented high and low values on the Hofstede dimensions, were chosen for the survey of ethical beliefs. Respondents (n = 249) from the six countries were requested to supply their agreement/disagreement with eight questionable behaviors associated with the work environment. Each of these behaviors contained an individualism and/or power distance cultural component for the responding accountants to consider. The results of the cultural analysis indicated significance on five of the eight survey items. Results lend support for the presence of the individualism cultural element in the ethical responses of the accountants surveyed.     

Relationship Marketing and Sustained Competitive Advantage

This paper examines four perspectives of relationshipmarketing that have been discussed in the marketing literaturein recent years and which are being touted as sources of long-termprofitability for organizations. We examine each of the fourperspectives (locking in customers, customer retention, databasemarketing, and building strong, close, positive relationships)to assess their potential for achieving a sustained competitiveadvantage. Our analysis suggests that only those organizationsthat build strong, close, positive relationships with their customershave the potential to develop a sustained competitive advantagethat may lead to above normal performance.     

Moral Agency,Profits and the Firm: Economic Revisions to the Friedman Theorem

The paper reconstructs in economic terms Friedman’s theorem that the only social responsibility of firms is to increase their profits while staying within legal and ethical rules. A model of three levels of moral conduct is attributed to the firm: (1) self-interested engagement in the market process itself, which reflects according to classical and neoclassical economics an ethical ideal; (2) the obeying of the “rules of the game,” largely legal ones; and (3) the creation of ethical capital, which allows moral conduct to enter the market process beyond the rules of the game. Points (1) and (2) position the Friedman theorem in economic terms while point (3) develops an economic revision of the theorem, which was not seen by Friedman. Implications are spelled out for an instrumental stakeholder theory of the firm. Dr. Sigmund Wagner-Tsukamoto is researcher in business ethics at the School of Management of the University of Leicester, UK. He holds two doctorates, one in social studies from the University of Oxford, UK, and one in economic studies from the Catholic University of Eichstaett, Germany. He has widely published on green consumerism and institutional economic issues that concern organization theory and business ethics theory. His publications include the books Understanding Green Consumer Behaviour (Routledge, 1997 & 2003) and Human Nature and Organization Theory (Edward Elgar, 2003).     

“肯定列表制度”对辽宁省水产品出口贸易的影响

在介绍日本"肯定列表制度"基本概况的基础上,借助经济学中的市场供需平衡理论,分析了日本实施"肯定列表制度"对辽宁省水产品出口的影响;针对目前辽宁省水产品出口贸易的特点对受"制度"影响的重要水产品出口企业的出口状况进行了实证研究,进而提出应对日本"肯定列表制度"的相应措施和建议。     

沪港通影响了A股市场的应计异象吗？

基于应计异象视角,以2011—2017年沪深A股上市公司为样本,利用双重差分模型实证检验沪港通交易机制对A股市场定价效率的影响,结果表明:沪港通交易机制的实施显著加剧了应计异象,利用PSM纠正样本选择偏差后,结论依然稳健。进一步研究发现,沪港通交易机制对应计异象具有双重影响:一方面,与投资/增长假说相一致,投资水平提高加剧了投资/增长导致的应计异象;另一方面,与会计扭曲假说相一致,盈余管理水平降低缓解了盈余管理导致的应计异象,但这一作用有限。整体来看,沪港通交易机制加剧了我国证券市场上的应计异象。     

企业能力、产业竞争力、比较优势与政府作用--也论中国激光视盘播放机工业的发展启示

关于比较优势和政府作用的片面理解,将对产业竞争力的塑造和国家政策的制定形成危险的错误导向.针对比较优势理论在解释产业竞争力的源泉上依然具有的巨大效力和科学性,中国政府应谨慎防范用产业政策和技术政策去人为创造竞争优势的"竞争优势陷阱".正是通过中国激光视盘播放机工业发展经验的分析证明,技术相对落后国家的企业要在开放市场条件下获得竞争优势,特别需要充分利用自己现阶段存在于自然资源和劳动力方面的比较优势.中国DVD工业目前被征收专利费的处境,更清楚地说明,即使是新科等领头企业目前也还不能定义自己的核心竞争力为技术能力和产品创新,而要进一步通过比较优势打造竞争优势.创造一个自由、开放和充分竞争的环境,让遵循客观规律的企业获得强大的自生能力,是各国政府的首要作用.     

论房地产价格规律理论及其功能原理

置业投资系数CIP=(0,4]也是房价收入比,某地房地产均价Hp等于该地CIP乘以该地人平工资Wa。由之证明房价可粗略评估为人平月入三倍,进而可将房价Hp分解成三个Hp/3的组成结构。随着科技生产力发展,土地产出率不断提高,GDP、房价都应增长。基于地球村为人类共有和科技生产力由人类创造,增长的GDP应由全民共享,故房价的Hp/3应用于补贴"三农"补偿土地出让以缩小工农城乡差距,另Hp/3应用于充实社保以缩小贫富差距,剩下的Hp/3作为房屋造价和开发商利润。可见,房价经分解成三个Hp/3后具有宏调功能,在(0,4]内的适度高房价乃土地产出率不断提高的反映,有利于缩小收入差距,在改善民生克服经济危机中推动GDP平稳增长。     

传播媒介中的危机对政府形象的影响

本文从现今社会中的重大危机事件进行对比分析,通过危机中传播媒介发挥的作用对政府形象的影响,通过完善信息传播体制做好政府信息公开等方式塑造政府正面形象产生积极影响。     

水解酸化-A/O法处理工业园区污水的工艺设计

介绍某工业园区污水处理工程各工艺和设备的配置情况。该工程采用水解酸化-A/O工艺,显著地提高了废水的可生化性,降低了运行成本,出水达到GB18919-2002一级B标准。