我国股指期货市场动态有效性研究

本文将沪深300股指期货合约数据分为不同时间段的四个子样本,同时运用ADF单位根检验和方差比检验判断其是否符合随机游走模型,并探究其渐进有效性。结果表明,在不同时间段里,我国股指期货市场均达到了弱式有效,但没有明显的证据表明我国股指期货市场的有效性有所增强。     

股指期货市场的有效性分析

股指期货市场是金融市场的组成部分,是社会主义市场经济不可或缺的。股指期货市场作用的充分发挥依赖其有效性的高低,具体有四个标志:第一,市场活动的有效性;第二,有众多的交易者参加市场交易活动;第三,所有公开的信息都能够从市场价格上得到及时、准确和全面地反映;第四,市场分配的有效性。有效的金融市场对于经济的正常运行和稳步增长至关重要,研究我国股指期货市场的有效性及其实现途径,具有重大的现实意义。本文从有效市场理论出发,分析了中国股指期货交易市场标的指数沪深300指数收益率的分布特征,然后依据GARCH模型、协整理论、格兰杰因果检验对我国股指期货市场的有效性进行了检验,结果表明中国股指期货市场具有很高的持续性,但中国股指期货市场尚未达到弱式有效,市场风险较大。     

中国黄金期货市场鞅式弱有效检验

黄金期货作为股指期货的探路先锋已经上市两年多,黄金期货市场具有怎样的市场特征呢?本文以中国黄金期货沪金指数为研究对象,运用ADF和KPSS单位根检验、Ljung Box自相关检验、BDS独立同分布检验等方法,对黄金期货市场的鞅式弱有效进行了检验。结果表明,通过这些方法无法得出黄金期货市场是否弱式有效,这与以往研究有所不同。为此,本文建议采取分形理论等非线性动力学方法进行深层次检验,从而更科学地掀开黄金期货市场的神秘面纱。     

股指期货与股指现货市场间的价格发现功能的实证研究

本文利用协整检验、向量误差修正模型以及脉冲响应和方差分解方法,对我国股指期货市场与股指现货市场间的价格发现功能进行了实证研究。研究结果表明,我国股指期货市场与股指现货市场存在长期均衡关系,在价格发现方面,股指现货市场起主导作用,股指现货市场的价格变化能够引导股指期货市场的价格变化。     

我国国债期货市场的弱式有效性检验

市场有效性研究一直是资本市场研究的重要问题,而对于国债期货市场有效性的研究非常少。本文将借鉴从市场内部和市场外部两个方面检验市场有效性的方法,利用随机游走模型检验和协整检验等方法对国债期货市场有效性进行研究,得出国债期货市场还未达到弱式有效市场假说,但国债期货市场与现货市场之间存在长期均衡关系,其价格对供求关系的反映是一致的。     

基于高频数据的我国股票市场弱式有效性检验

本文采用ADF检验、PP检验以及KPSS检验等多种单位根检验法对2010年4月16日至2013年5月31日的沪深300股指期货5分钟高频数据转换而成的序列的性质进行检验。研究结果表明中国股票市场已经具备弱式有效性。为了得到更加稳健的检验结果,对每一种检验方法,我们都进行了全程检验、分段检验和动态检验。     

我国期货市场有效性实证检验

本文以我国郑州期货市场中的期货合约为研究对象,应用AR(2)-TARCH模型进行了市场有效性的实证检验,得出郑州期货市场处于弱式有效的结论。     

沪深300股指期货价格发现功能实证研究

我国股指期货已于2010年4月16日正式挂牌交易,股指期货是否具有价格发现功能为投资者所关注。利用单位根检验、协整检验、向量误差修正模型与Granger因果关系探讨沪深300股指期货与现货市场之间的关联性,研究结果表明:股指期货和股票指数之间存在长期的均衡关系;期货市场?的信息传递速度快于现货市场;在交割月前,股指期货和现货相互引导,进入期货合约交割月后,只存在期货引导现货。     

对我国证券市场有效性的检验

有效市场假说是现代金融理论中最重要也是最有争议的概念之一,其中研究最多、争议最大的是市场的弱式有效性.本文运用上证综合指数和深圳综合指数（2007.1.1-2013.10.8）日数据,对上海及深圳证券市场的弱式有效性进行了序列相关性检验,结果显示上海及深圳证券市场已经趋向弱式有效,所以可以认为上海及深圳证券市场已在一定程度上达到弱式有效.     

沪市股指收益率及波动性研究

应用自回归条件异方差(ARCH)模型对上海股市在2007年4月27日至2008年4月28日股指日对数收益率进行建模分析:结果反映沪市股指收益率具有明显的波动聚集性和尖峰厚尾的特征;均值模型适合ARMA过程,且不符合股市弱有效的特征,回归模型具备预测能力;无条件期望收益率不受到当期风险的影响;条件方差具有明显的非对称性和杠杆效应。     

Brown＇s Blossom in Britain-China

The overall strategic relationship between U.K. and China is ＂better than ever＂, China- Britain relations have maintained good momentum, with increased high-level exchanges and the reinforcement of strategic mutual trust, with more room for growth in the future.     

Challenge and Opportunity Go Hand in Hand——What Global Economic Agitation Brings to the China's Economy?

Domino effects of the global finance agitation As the origin of the subprime crisis,US financial institutions lost USS45 billion last year,accounted for over half of the total US,EU & Japan loss.Since January 15th,Chtigroup released its financial statement of the 4th quarter,showing a net deficit of USS9.83 billion,which marked the hisoric high of its quarterly deficit.     

Sinosteel：Extraordinary Moves in Industry Chess

Among the Fortune 500 firms,more and more images from China emerge out.On the 2008 list,Sinosteel Corporation,a landmark group of China industries quietly squeezes into the candidate line.As the largest steel service ＆ trade enterprise,its sales reached at RMB 111.24 billion,with a year-on-year increase of 83.03 percent,and the profit grew by 180.03 percent.On the Sinosteel 2008 Work Meeting,the president Huang Tianwen uttered,＂In the coming year,we will work for US$20 billion sales,and look forward to getting a position in Fortune 500 firms for ourselves.＂     

Walk Through Unusual Five Years—— An Exhibitor＇s Canton Fair Course

When the 103rd Canton Fair is approaching, an old friend of Canton Fair, Li Ying from Jiangsu prov-ince recollected his past five years＇ experiences to the grand trade meeting. Each year is special, with some unforgettable memories colored by the year.     

Jean-Pierre Duprieu： Willing to Be A Legate of Sino-French Business

Estaing, former French president, Valery Giscard d＇Estaing attended Sino-French Economic Seminar held in Shanghai in early April and said that the world center has shifted from the west to the east with many European and US companies entering into Asia, and China has the ability to play an important role in the world stage. Estaing, naming himself＂French Confucian＂, then said in Chinese that a cook-group includes 10 people in ancient Chinese soldier system and the cook is in charge of cooking for them. And people who belong to the same cook are actually ＂Partners＂.     

China''''s Stock Market Wave

The annual meeting of the World Economy Forum was held in Davos,a little town in Switzerland,on January 23rd to the 27th this year,with the theme"the Power fo Collaborative Innovation",over 2500 celebrates from ture political and cconomic circles of more than 80 countries and challengred logether to talk about the future of the global economy in 2008,A Forum for the problems and challenges that face whole world,some of the keywords which drew attention during the event were:the U.S.subprime mortgage crisis,soaring energy prices,the economic slowdown in the U.S.ermerging economic bodies,authority funds and the general unpredictable nature of the global economy.     

Trade Promotion from Neighborhood

If you are considering to trade with companies in Japan or expanding your .business to Japan, we are ready to help from the very beginning.＂ You will find this greeting at the first sight on the Chinese website of Japan External Trade Organization （JETRO）. JETRO has committed itself in delivering highly efficient and quality services to meet the demand of internal and external customs including Japanese companies, hence winning a good reputation in the international trade arena. In recent years, with its priority in advancing business cooperation in South and East Asia, JETRO has made great achievement in promoting trade between China and Japan. Therefore, China＇s Foreign Trade interviewed Mr. Yoichi Maine, Deputy Director General of JETRO BEIJING.     

Auto Parts Market Potential Coming into Surface

Looking at the increasingly fierce competition in the world auto market. global automobile manufacturing industry, taking Europe, the U.S. and Japan as representatives, is gradually forming a new type of relationship, mutual cooperation between whole vehicle and parts manufacturers. We can clearly see that auto parts manufacturers have become independent from the whole vehicle manufacturing companies, which means that the former structure of auto industry has greatly changed, and a new relationship,     

Domino Effect on Electricity and Coal Prices

In the middle of last December, the key purchase contracts for coal used in power generation in 2008 were signed, reflecting a demand for more than 1.085 billion tons. It is important to note that the country＇s five biggest power producers, China Huaneng Group, China Guodian Corporation, China Power Investment Corporation, China Huadian Corporation and China Datang Corporation, had settled on the prices on their purchase contracts, and they are expected to consume 290 million tons of coal for generating electricity,     

China's Auto Industry Steps Forward

Last year,the volume of China's auto trade reached US$66.878 bil- lion,of which imports accounted for US$25.982 billion,a year-on- year increase of 24.45 percent;while ex- ports totaled US$40.896 billion,growing by 45.31 percent.The China Association of Automobile Manufacturers(CAAM) predicts that the number of autos sold in 2008 will break the 1 million barrier for the first time in history,representing an increase of about 20 percent.