知识网络的风险及其防范机制研究

分析知识网络风险的特征和类型,根据知识网络风险形成的内在机理,对知识网络的风险防范机制进行了探索性研究。认为知识网络风险防范机制由3部分构成,并制定了风险防范的4个步骤,力求知识网络能够成功实现知识共享、知识创造。     

城市边缘区土地权属变化分析 ———以北京市大兴区为例

城市边缘区土地利用变化剧烈,权属变化明显。大兴区作为北京市城市边缘区的重要组成部分,其土地权属变化具有一定的代表性。该文以其为例,分析城市边缘区土地权属变化情况:在强度变化上,国有未利用地变化最为强烈,集体农用地变化最为微弱;在空间变化上,国有建设用地对北京市相同地类空间变化的影响最大,而集体农用地影响最小。最后运用主成分分析法得出经济发展、城市化、人民生活水平提高三大影响因素。     

Cross‐Border Debt Adjustment – Open Questions in European Insolvency Proceedings

At present, 18 European Union member states have some form of legislation on adjustment of the debts of a private individual. Only half of these debt adjustment proceedings are mentioned in Annex A of the European Insolvency Regulation (EIR) and therefore fall within the scope of it. As most of the debt adjustment proceedings are not included in the scope of the Brussels I Regulation, there is a regulatory gap in the European insolvency proceedings with unpleasant impacts on the free movement of labour. Fortunately, changes are coming, in the form of the EIR reform. In order to bring debt adjustment within the scope of the EIR, the Commission proposes to loosen the prerequisite concerning the legal effects, which the opening of the proceedings has on the debtor. Regarding the jurisdiction to open main proceedings, the Commission proposes that COMI (the debtor's centre of main interests) would be the place of habitual residence. The open question is, whether residency requires a certain continuity or stability. This issue is discussed in the paper taking into account recent Court of Justice of the European Union case law. The challenge of the EIR reform is that only provisions on scope and jurisdiction have been modified as to debt adjustment. One may ask, e.g. when the prerequisites concerning the opening of secondary proceedings are fulfilled if the debtor is a private individual. Copyright © 2013 INSOL International and John Wiley & Sons, Ltd     

基于多人参与的不完全信息博弈模型探讨城市出租车燃气的均衡数量

结合目前燃气出租车推广的实际情况,讨论政府政策和出租车的燃气行为。在初步分析了双方行为特征后,通过建立多人参与的不完全信息博弈模型,得到了各种条件下选择燃气的出租车的均衡数量。     

尊重水利规律 坚持科学治水

几个月前,我国还忙于西南抗旱,但转瞬之间,我国的主画面变成了南方数省的抗洪抢险。太平洋西岸的季风数千年来就这样折腾着我国,世界上恐怕很难找到一个与我们一样的国家,旱涝变化如此之快,水资源分布如此悬殊。大概也没有哪个国家,像我国这样急需一个强大而高效的全国治水系统。     

我国农田土壤污染状况及防治对策

我国农田土壤污染日趋严重,农田受污染率从20世纪80年代末期的不足5%,上升至目前的19.4%;污染物主要来自工矿业三废(废水、废气、废渣),并通过大气沉降、洪水冲积和不合理的农业生产过程3个路径进入农田,其中不合理的农业生产过程,尤其是污水灌溉是污染物进入农田的首要路径;不仅化肥会污染农田,有机肥同样也会污染农田。通过调节Cd超标农田土壤的PH值可以降低Cd的活性,减轻对农作物的危害;不同作物对Cd的敏感性不同,通过调整农作物品种结构,可以降低危害;治理农田土壤污染,首要工作是强化农田土壤污染防控,并因情而宜,走综合治理之路。该文首次量化了我国农田土壤污染变化态势,明确提出了化肥在农田土壤污染中的3方面体现,概括出污染物进入农田土壤的3个路径,首次将污水灌溉从过去的严重缺水区域有意识地利用污水灌溉扩展到有意识地利用污水灌溉和无意识地利用了受到污染的水源进行灌溉两个方面,明确提出了有机肥同样会污染农田的结论,并提出了防治土地污染的3项对策。     

浅议项目评价中基准贴现率的确定

介绍了两种确定基准贴现率的方法-最低期望收益率和目标收益率法，并结合实例进行了说明：前者是一种偏低的标准；后者比较符合实际标准，但需要较好的基础工作。     

转变经济发展方式研究现状综述及未来展望

对现有西方经济增长理论体系、我国转变经济发展方式的内涵、实现途径、推动力和发展阶段以及转变经济发展方式指标体系的研究成果进行梳理发现:未来研究应有效整合各学科相关理论,注重研究的均衡性、灵活性和预见性,重视改善民生在转变经济发展方式中的重要性,细化TFP的测算方法等。     

Analyst cash flow forecasts and pricing of accruals

This paper investigates how analyst cash flow forecasts affect investors' valuation of accounting accruals. We find that the strength of the accrual anomaly documented in Sloan (1996) is weaker for firms with analyst cash flow forecasts, after controlling for idiosyncratic risk, transaction costs and firm characteristics associated with the issuance of cash flow forecasts. We further show that this reduction in mispricing of accounting accruals is at least partially attributed to the improved ability of investors to price earnings manipulations imbedded in accruals. We investigate several non-mutually exclusive alternative explanations for this improvement in investors' ability and demonstrate that the increased investor attention and the improved accuracy of analyst earnings forecasts both contribute to the mitigation of the accrual anomaly.     

耕地流转中过度“非粮化”倾向产生的原因与对策

针对近年来我国典型地区耕地流转中出现的过度"非粮化"问题,剖析了其产生的主要原因,即:种粮比较效益低、法律和政策规定对土地流转的用途不够明确、地方政府对种粮缺少应有的支持与鼓励、农地管理制度和监督缺乏、土地流转费用高以及对流转后耕地用途的片面理解等。据此,提出了相应的对策建议,即:完善粮食补贴制度、对耕地流转的农业用途做明确的划分、加强农田基础设施建设的投入、切实保障种粮农民的利益、加大金融信贷、农业保险等方面的支持力度。