中国股票市场与债券市场间流动性溢出效应的非线性动态特征

利用中国股票市场和债券市场的数据,研究了两市间流动性溢出效应的非线性动态特征、两市流动性的相关关系以及宏观变量的冲击对两市流动性的影响。结果表明:股市与债市的流动性之间存在双向的非线性Granger因果关系,两市场间的流动性溢出效应具有非线性动态特征;宏观变量的变化显著影响两市的流动性且在市场低迷、流动性不足时期影响程度更大;不同状态下的宏观变量冲击会导致不同程度的跨市场投资转移。     

股票市场与债券市场波动的溢出效应研究——基于交易所和银行间市场的实证分析

股市与债市之间各变量间的溢出效应是金融学中一个重要的课题。本文实证分析了两市之间波动的溢出效应,研究发现:两市存在波动的领先滞后关系,且债券市场波动对于股市的影响更为显著;通过对债券子市场与股市联动的进一步分析发现:股市与交易所债券市场波动的联系更加紧密,但交易所和银行间债券市场的联动明显强于各子市场与股市之间波动的溢出效应。     

货币市场、债券市场对沪深300指数溢出效应的实证研究

本文借鉴向量自回归模型(VAR)研究股票收益率(Rst)、债券收益率(Rbt)和利率收益率(Rct)之间的均值溢出效应,通过建立非对称三元对角BEKK模型研究股市、债市及货币市场指数的波动溢出效应。结果表明,债券市场和货币市场对股票市场存在均值溢出效应;当期三个市场的波动都具有明显的ARCH效应,其波动受自身的前期冲击影响明显;货币市场与债券市场的联合波动效应显著为正,政府或者监管者在制定政策时可选择适度盯住债券市场,改变股票市场收益率情况,避免股市出现较大的波动。     

我国金融市场间的联动关系:基于结构冲击的溢出效应分析

本文提出了一种对金融市场间溢出效应的研究框架:基于利用金融市场间多元GARCH效应所识别出的结构VAR模型和结构GARCH模型,首次构造出均值和波动溢出指数模型,并对我国汇市、债市、股市和货币市场间的均值和波动溢出效应进行了实证分析。研究发现:金融市场间的同期关系较为显著,且大部分与金融学基础假说相吻合;股市和债市间的均值溢出效应强于其它市场间的均值溢出;各市场间的波动溢出效应明显强于均值溢出效应;并且股市对其它市场的溢出效应最为显著。     

关于我国企业债券融资的思考

我国证券市场明显存在着"股市强,债市弱;国债强,企业债弱"的特征。这与国际上成熟的资本市场上债券市场的规模远远大于股票市场规模的特征正好相反,也明显突出我国过于重视股票市场而忽视债券市场的倾向,不利于我国资本市场的健康运行。文章同时提出了发展我国企业债券市场的建议。     

P2P网络借贷市场对资本市场的风险溢出效应

构建Copula-GARCH模型,并利用2013—2016年中国P2P网络借贷市场、股票市场和债券市场的日收益率数据,实证研究了P2P网络借贷市场对资本市场的风险溢出效应。结果显示:P2P网络借贷市场与股票市场之间存在"跷跷板"效应,与债券市场之间呈现出较弱的联动效应;P2P网络借贷市场与股票市场和债券市场的上、下尾部相关性均很弱,风险溢出效应不显著。结论表明:在确保金融系统稳定的同时,中国可以适度发展P2P网络借贷行业。     

中国股票市场系统流动性研究

文章以上海证券交易所全部A股的日交易数据为样本,研究发现我国股市存在明显的系统流动性,且与发达市场相比,影响更显著;按样本股流通市值进行分组检验,发现2006年以前我国股市存在"倒U"形流动性规模效应,而随后的检验期内无明显规律可循;进一步对其影响因素的研究,发现系统流动性变化存在用内效应,市场风险、市场走势和长短期利差等都是重要的影响因素,并且随着时间的推移,其变化表现出更多的独立性.     

上海股票市场收益率与成交量因果关系研究

线性因果关系检验结果表明,在股市得到快速发展和市场交易制度改善后,我国股市量价因果关系阶段性异质特征明显,我国股票市场量价关系从因果关系不显著发展为具有双向因果关系.同时,非线性因果关系检验也得到类似的结论,不同之处在于在取消涨跌停板制度后的第二阶段,虽然不存在交易量对收益的线性因果关系,但存在非线性格兰杰因果关系.所有检验结果表明我国股市在交易制度转变后,市场结构也同时发生了根本变化.     

我国股票市场行业板块流动性的溢出效应研究

运用贝叶斯向量自回归模型对十大行业板块之间的流动性溢出效应进行实证分析,结果表明我国股票市场不同行业板块之间的流动性溢出效应在方向和影响程度上存在较大差异;各行业板块流动性对来自自身的冲击反应最为强烈;能源、材料、工业、金融、电信服务等行业板块流动性变化对其他板块流动性具有显著正向溢出效应;可选消费、日常消费、医疗保健、信息技术、公用事业等板块流动性变化对其他板块流动性具有显著溢出效应,但在方向上存在差异;可选消费对电信服务,日常消费对能源、材料、工业和电信,医疗保险对能源、日常消费,公用事业对日常消费、医疗保健均未呈现显著的溢出效应。     

汇率与股市相关行业的风险溢出效应——基于静态与动态CoVaR的分析

基于2005~2016年间2579个日度交易数据,分别运用静态和动态CoVaR方法测度了人民币对美元汇率、股市中的地产、贸易以及券商行业价格指数相互之间的风险溢出效应。实证结果发现,在任何风险水平下,汇率对股市相关行业的边际风险溢出效应都显著为正,在汇率发生较大波动时,要尤其注意股市相关行业的风险预警;风险水平加剧时,变量之间的风险总溢出呈现增强趋势,但边际外溢效应具有差异性,应着重防控汇率对地产、券商行业的边际风险溢出效应;汇率对股市相关行业的风险溢出效应的动态变化趋势与汇率制度改革进程有明显关联性,而股市相关行业对汇率的风险溢出效应的动态变化趋势则主要依赖于股市的繁荣程度。本文的研究结论有助于理解汇率市场与股票市场中相关行业的风险联动性机理,为防范金融市场系统性风险提供参考。     

跨境上市与证券市场流动性之争研究述评

跨境上市以及跨市场证券交易的迅猛发展,对全球证券市场产生了较大的影响。本文对跨境上市对市场流动性影响的国内外研究进行了综述。综合国外研究发现,企业跨境上市对企业母国证券市场的流动性冲击主要有正向效应、负向效应和双赢局面三种可能,具体取决于该国市场的实际情况。影响流动性冲击方向的主要因素包括:母国市场散户投资者数量,市场透明度和市场间信息关联度,时区差异、佣金费率和母国市场发展程度,政府资金管制以及市场间证券报酬率的相关性五个方面。国内针对跨境上市的相关研究也在不断开展,但是针对跨境上市对我国证券市场可能造成的冲击和影响的研究还比较匮乏,有待加强。     

Financial contagion and volatility spillover: An exploration into Indian commodity derivative market

This study measures the extent of financial contagion in the Indian asset markets. In specific it shows the contagion in Indian commodity derivative market vis-à-vis bond, foreign exchange, gold, and stock markets. Subsequently, directional volatility spillover among these asset markets, have been examined. Applying DCC-MGARCH method on daily return of commodity future price index and other asset markets for the period 2006–16, time varying correlation between commodity and other assets are estimated. The degree of financial contagion in commodity derivative market is found to be the largest with stock market and least with the gold market. A generalized VAR based volatility spillover estimation shows that commodity and stock markets are net transmitters of volatility while bond, foreign exchange and gold markets are the net receivers of volatility. Volatility is transmitted to commodity market only from the stock market. Such volatility spillover is found to have time varying nature, showing higher volatility spillover during the Global Financial Crisis and during the period of large rupee depreciation in 2013–14. These results have significant implication for optimal portfolio choice.     

Impacts of China's crash on Asia-Pacific financial integration: Volatility interdependence,information transmission and market co-movement

This paper examines the price and volatility dynamics between China and major stock markets in the Asia-Pacific, investigating the effects of the Chinese stock market crash (2015–2016) for the first time. Employing the Bayesian VAR and BEKK GARCH, we observe that price and volatility spillover behaviours are different during the stable and stress periods. Particularly, price spillovers from China to other regional markets are more significant during a bullish period, showing that ‘good news’ emanating from China has strong impacts on its neighbours during better market condition. In the turbulent period, we observe strong shock spillover effects and enhanced volatility spillovers from China to most Asia-Pacific stock markets. This is because China, as an important trading partner and strategic financial centre shows to exert significant influence on the Asia-Pacific region through various economic channels. We also find that the Asia-Pacific stock markets spill over their shocks to China during the crisis, indicating that China is becoming more integrated with the regional financial markets.     

Liquidity in Asian markets: Intensity of Regional and global linkages

This study investigates cross-market linkages and the intensity of liquidity spillovers across nine Asian markets and five developed markets during 2006 to 2016. Further, the study examines the contagion caused by recent global financial crisis and its impact on the market liquidity. The direction and intensity of spillovers has been measured using forecast error variance decomposition method as suggested by Diebold and Yilmaz (2012). Among the developed markets, the United States, Germany and the United Kingdom significantly affect liquidity changes in Asian countries like India, China, Singapore and Japan. The results revels that on average, each Asian market receives 7% spillover from the global markets and 16% from regional markets. During the financial crisis, the average regional spillover increased to 20% and the global spillover increased to 11%. Thus, in Asia, the regional spillover is higher than the global spillover. Our results support the demand side hypothesis and suggest that it is the trade and portfolio investments that drive the liquidity spillovers. Our findings have potential implications for international investors, policy makers and market regulators.     

Asset Markets and Endogenous Liquidity

In financial markets characterized by imperfect depth, speculative trading will have transitory effects on the market price as market makers must be compensated for the risk of holding the asset. The number of people providing liquidity to a market will generally be endogenously determined by the quantity of liquidity demanded. This paper looks for evidence of endogenous liquidity provision in several international stock and bond markets. Evidence shows strong support for these speculative dynamics in the stock markets. The evidence for these dynamics is less striking with fixed‐income prices, consistent with the less speculative nature of these markets.     

Assessing downside and upside risk spillovers across conventional and socially responsible stock markets

Since the aftermath of the recent global financial crisis, socially responsible (SR) investments have become an alternative form of conventional finance, giving rise to further systemic risk between conventional and SR stock markets. In this paper, we assess this risk transmission using Value at Risk (VaR) modeling for the US, Europe and the Asia-Pacific region, over the period covering January 2004–December 2016. We find that socially responsible stock markets exhibit less risk than do conventional markets in terms of the risk hedging properties induced by the SR screening. Second, contributions to systemic risk vary across market phases and return distribution levels, with a larger contribution and spillover effect during the recent global financial crisis. For example, at the downside of the distribution (CoVaR at 5%), the conventional European index shows the highest contribution to the world market’s systemic risk, while the US stock market shows the highest contribution at the upside of the distribution (CoVaR at 95%). This finding is justified by the difference in the risk aversion of investors that varies with the market state as well as the disparities in the development of SR markets.     

ASIAN FINANCIAL LINKAGE: MACRO‐FINANCE DISSONANCE

How are Asian financial markets interlinked and how are they linked to markets in developed countries? What is the main driver of fluctuations in Asian financial markets as well as real economic activity? To answer these questions, we estimate the spillover index proposed by Diebold and Yilmaz and gauge the degree of interaction in both financial markets and real economic activity among Asian economies. We first show that the degree of the international spillover in stock markets is uniform, irrespective of the groups of countries concerned, such as the G3 and ASEAN4. This suggests the importance of global common shocks in stock markets. We then discuss the macro‐finance dissonance. In stock and bond markets, the United States has been the main driver of fluctuations. However, China has emerged as an important source of fluctuations in real economic activity.     

How are gold returns related to stock or bond returns in the U.S. market? Evidence from the past 10-year gold market

Although the gold market over the past decade has been soaring relative to its prior history, there have been few studies on the relationship between the gold market and other major financial markets based on the past decade of data. To re-investigate how the gold market interacts with the stock market and the bond market, we re-visit economic and financial characteristics of gold using the past 10-year data in terms of co-integration, causality, predictive power, and extreme returns. We find that while gold returns are not co-integrated with stock returns and bond returns, gold returns have a unidirectional causality with both of them. Also, we discover that gold returns have some predictive power on subsequent short-term stock returns. Under extreme market scenarios, it turns out that gold returns tend to deteriorate more simultaneously with bond returns than stock returns. This means that gold can better serve as a safe haven for stock in a relative sense during temporary market downturns.     

The impact of news,oil prices,and global market developments on Russian financial markets1

This paper analyses the impact of news, oil prices, and international financial market developments on daily returns on Russian bond and stock markets. First, regarding returns, energy news affects returns, while news from the war in Chechnya is not significant. Market volatility does not appear to be sensitive to either type of news. Second, a significant effect of the growth in oil prices on Russian stock returns is detected. Third, the international influence on Russian financial markets depends upon the degree of financial liberalization. The higher the degree of financial liberalization, the stronger is the impact of US stock returns on Russian financial markets. In addition, banking reform and interest rate liberalization efforts seem to dictate the globalization of Russian stock markets, while it is the progress in liberalizing securities markets and non‐bank financial institutions that matters more for the globalization of Russian bond markets.