投资者异质性与证券市场定价——理论模型与中国的经验证据

本文从投资者异质性的客观现实出发,通过对投资者二维视角的交叉分类与相关行为的探讨,提出了一种按交易特点与行为依据的新的分类方案,即将投资者分为套利交易者、价格预期交易者和量能变动交易者三类。在此基础上分别建立了各类投资者的需求函数,通过对证券市场供求函数的讨论,利用均衡分析方法构建了基于投资者异质性的证券市场定价模型,并以我国证券市场1999-2011年的月度数据为样本进行了实证分析。实证结果表明:我国证券市场价格主要由价格预期交易者的诱导性策略行为与量能变动交易者的羊群行为决定,套利交易者的套利行为对市场价格没有显著的影响,证券市场扩容也未对市场价格的形成产生系统性冲击。     

经济发展与生态保护的思考——橡胶种植与热带雨林

文章在分析经济发展和生态保护的内涵和辩证关系的基础上,通过探讨云南省西双版纳傣族自治州在社会经济发展过程中存在的生态环境矛盾,指出兼顾生态保护的区域经济发展模式才是可持续发展之路,并从宏观上就经济发展中的生态保护问题提出了有益的建议.     

补充货币的理论、实践与启示——基于后危机时代的思考

补充货币作为官方货币的补充形式,具有异于官方货币的独特功能,为应对当前货币危机、失业、老龄化、环境污染等问题提供了有益的思考。文章在回顾补充货币的相关理论的基础上,考察了补充货币在不同时期的实践情况,提出补充货币对解决我国经济和社会问题的重要意义。     

个人投资者交易行为研究——来自台湾股市的证据

本文基于台湾股市数据,主要研究个人投资者的交易行为。参照Kaniel et al.(2008)构建了个人投资者交易不平衡性指标─净交易,以反映投资者股票交易的强度。采用这种交易不平衡性指标来构建投资组合研究个人投资者的交易行为。首先研究个人投资者交易和股票的收益之间的动态关系从而分析投资者的交易策略,然后研究个人投资者净交易的收益预测能力从而分析个人投资者交易的信息含量。本文研究发现:台湾股票市场的个人投资者采用负反馈的交易策略,并且个人投资者在交易中表现出很强的处置效应;个人投资者在交易中的信息含量不足;个人投资者交易中的盈利主要来自两个方面:过度反应和价格冲击。文章最后给出政策建议。     

有限责任公司股权移转及相关主体的利益保护

本文通过分析各种股权移转标志的观点,提出了股权移转应当发生在出让人根据股东会决议指令公司移转股权之时。在此基础上,文章对有限责任公司主权移转中和移转后的相关主体利益保护问题进行探讨,尤其对其他股东的部分优先购买权以及公司登记与股权移转不相符的处理作了重点讨论。     

Subsidies under uncertainty: Modeling of input- and output-oriented policies

Agricultural subsidies play an essential role in agricultural and rural development in many developed economies. Countries have implemented agricultural subsidy policies with a focus on food security and environmental protection. Agricultural production is risky and uncertain, influencing the efficiency of agricultural subsidies. This study develops a theoretical framework to analyze the effects of production uncertainties on the efficiency of agricultural subsidy policies under the double constraints of food security and environmental protection. The basic model is investigated under six different conditions, and expanded research also is presented. Our models show that uncertainty, including output, cost, and price uncertainties, and technology conversion efficiency significantly affects the efficiency of agricultural subsidies. Under high technology conversion efficiency, output-oriented subsidies are appropriate for food security and environmental protection goals. Policymakers should take both uncertainty and production efficiency into consideration when choosing between input-oriented and output-oriented subsidy policies.     

I Feel Your Pain: The Effect of Regulator as a Minority Shareholder on Merger and Acquisition Performance

We examine the effect of a regulator-led advocate for minority shareholders on merger and acquisition (M&A) performance in China. In recent years, the China Securities Regulatory Commission established the China Securities Investor Services Center (CSISC), which began its ownership of 100 shares of public firms in 2016. The CSISC advocates for the interests of minority shareholders proactively. Focusing on abnormal stock returns in M&A announcements, we find that acquirers that have the CSISC as a shareholder (CSISC acquirers) exhibit higher positive abnormal stock returns than non-CSISC acquirers. Cross-sectional analysis suggests that the core results are mainly driven by firms with severe agency problems and weak external/internal monitoring, and those not controlled by the state. In addition, we find that CSISC acquirers have better long-term performance and encounter more M&A failures than non-CSISC acquirers. Our findings indicate that although the CSISC only holds 100 shares of listed companies, it plays an effective role in monitoring and driving firms to make appropriate M&A decisions.     

浅谈T3连接线项目环水保管理控制

高速公路建设规模大、建设周期长、资源消耗集中,与社会进步、经济发展和环境条件密切关联,对于环境保护和水土保持既有积极作用,又有消极影响。论文主要结合中川机场T3航站楼连接线建设项目环水保管理方面的一些经验和做法,探讨高速公路建设项目环水保在施工阶段的管理控制要素,提出了环水保标准化管理的建议,供高速公路及其他建设项目的环境保护和水土保持管理提供参考。     

知识产权保护能促进经济增长吗？--基于中国省级面板数据的实证分析

在Ginarte-Park方法的基础上,考虑到处于司法转型期的发展中国家的执法力度和立法强度,建立知识产权保护强度指标体系,将中国30个省、自治区、直辖市知识产权保护水平量化。接着运用面板数据分析方法,以人均实际GDP对数为被解释变量,以知识产权保护强度为解释变量,通过实证分析验证了我国加强知识产权保护与经济增长的关系,证明了中国的知识产权保护水平与经济增长之间的显著正相关关系。然后对东中西部地区分别进行实证分析,绘制了异常经济增长与知识产权保护强度的散点图,来作为稳健性检验的一部分。并通过对变量的相关系数矩阵图的分析,初步探讨了知识产权保护促进经济增长的具体路径。结果表明,在控制了时间效应后,知识产权保护强度能够解释省份个体效应的37.4%。     

Property rights protection and access to bank loans

Poor protection of private property has limited the access to bank loans by private enterprises in developing and transition economies. Under those circumstances, private entrepreneurs have resorted to various ways of enhancing the de facto protection of private property. Using a dataset of 3,073 private enterprises in China, this paper empirically investigates the impact of political participation and philanthropic activities – informal substitutes for the lack of formal protection of private property – on the access to bank loans.