Information–driven trading at the Prague Stock Exchange: Evidence from Intra–Day Data

Many observers argue that informed and insider trading is widespread in the emerging financial markets of transition countries, yet rigorous treatment of this issue has been virtually non–existent. The current paper estimates the extent of informed trading on the Prague Stock Exchange (PSE) using intra–day transaction data. Our estimates confirm that the average share of informed trading is equal to 0.32, which is high relative to developed markets and varies considerably among stocks. Using the Easley et al. (1996) approach on the very best segment of the PSE we obtained a high average probability of informed trading. Since data used in this study cover the period after the major attempts to improve market regulations, our results indicate that the PSE needs further strengthening to recover credibility and to become a real source of corporate financing. JEL classification: G14, G15.     

数字偏好与股票收益异常——来自上海证券交易所的经验证据

本文研究股票代码对股票收益的影响。研究发现,由于数字偏好效应的存在,投资者刻意回避代码以“4”结尾的股票。在较长时间内,尾数是“4”的股票收益低于给定风险水平下的市场必要收益。但这一现象受到股市行情的影响,牛市行情时,投资者回避“4”的行为表现明显,而熊市行情时则会趋向消失。具体表现为：牛市行情下,“4”组合的资产收益小于给定风险水平下的市场必要收益,熊市行情则无此现象。本文从行为金融莹晶当磨时杖一仑蜃由市扬耳夔讲符T觎崧     

从资源枯竭之忧到资源再生之虑：碳排放研究述评

人们对资源的忧虑,经历了一个转变过程。由可耗竭资源的有限储量所带来的紧迫感趋淡。由生态承载力的衰减所引发的负面后果日益明显。从二氧化碳排放所引出的气候变化问题,是自然生态系统容纳和消除污染排放物的能力已然不足的一个反映。通过对贯穿上述认识转变过程的经济学研究文献的梳理可知,国外在此方向上的主要分析工具是气候变化综合评估模型。该类模型的优点是把经济系统与自然生态系统集成在一起,使得对碳排放的预测具有微观基础,但也因模型复杂而处理难度较高。它的一个应用是：碳减排力度是应立即强力推进。还是可渐进强化,研究文献中围绕这一问题的争论就是以气候变化综合评估模型为基础而展开的。     

纺织企业节能减排技术创新的困境及对策研究——以宁波为例

通过对宁波纺织企业节能减排技术创新中面一临问题的调查分析,提出了促进宁波纺织企业节能减排技术创新水平的对策：实施财税激励政策以降低企业节能减排技术创新成本;促成纺织企业联盟以增强中小企业节能减排技术创新能力;建立政府干预与市场运作相结合的节能减排技术服务平台。     

基于要素流动的环境规制贸易效应与政策研究--TPP《环境合作协议》的启示

文章在梳理环境规制与贸易相关文献基础上,构建两部门模型,从部门内和部门间要素流动的视角分析环境规制与产出和污染的关系,论述环境规制影响出口贸易的路径以及要素可流动下环境规制贸易效应的多面性;然后分解投入产出模型并重估能源排放系数,计算中国29个行业部门出口贸易的国内碳排放,提出我国在转变经济发展方式背景下行业碳排放规制策略;最后结合TPP贸易新标准趋势和我国投入要素变动情况,提出我国提高环境规制强度、转变高消耗经济发展方式的未来方向。     

融资融券试点的制度安排和制度完善——基于投资者权益保护视角的分析

融资融券交易试点正面临制度完善的重大课题。本文从投资者权益保护的视角对融资融券交易试点制度进行了案例分析,研究我国融资融券业务试点的制度安排、制度缺陷和政策建议。本文率先尝试评价了融资融券业务试点的制度体系,发现其制度机制基本保障了投资者融资融券交易的市场准入权、资产安全权、广泛知情权、公平交易权、服务保证权和投资收益权六项合法权益;从投资者权益保护角度看,虽然试点制度层次清楚、基本完整,但结构失衡,效率不足;建议出台长远规划,推进转融通制度,调整市场准入制度,完善投资者权益保护评价制度,并扩大试点范围,提高效率。     

Enforcing Emissions Trading when Emissions Permits are Bankable

We propose enforcement strategies for emissions trading programs with bankable emissions permits that guarantee complete compliance with minimal enforcement costs. Our strategies emphasize imperfect monitoring supported by a high unit penalty for reporting violations, and tying this penalty directly to equilibrium permit prices. This approach is quite different from several existing enforcement strategies that emphasize high unit penalties for emissions in excess of permit holdings. Our analysis suggests that a high penalty for excess emissions cannot be used to conserve monitoring effort, and that it may actually increase the amount of monitoring necessary to maintain compliance.The authors are grateful to Anthony Heyes and three anonymous referees for their valuable comments. Partial support for this research was provided by the Cooperative State Research Extension, Education Service, U. S. Department of Agriculture, Massachusetts Agricultural Experiment Station under Project No. MAS00871.