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Time‐Varying Investor Herding in Chinese Stock Markets 中国股市的时变投资者羊群效应
Pub Date : 2018-12-01 DOI: 10.1111/irfi.12158
Haiqi Li, Ying Liu, Sung Park
We develop several new time‐varying coefficient regression models to investigate herding behavior in Chinese stock markets. We find evidence that herding behavior occurs during turbulent periods rather than periods of relative tranquility, which does not appear when using a conventional fixed‐coefficient regression model. Moreover, the US return dispersion had a significant influence on Chinese stock markets before 2015 but not in 2015. Finally, the herding shows significant asymmetry.
我们建立了几个新的时变系数回归模型来研究中国股票市场的羊群行为。我们发现证据表明,羊群行为发生在动荡时期,而不是相对平静时期,这在使用传统的固定系数回归模型时不会出现。此外,2015年之前,美国收益分散对中国股市的影响显著,2015年之后则不显著。最后,羊群表现出明显的不对称性。
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引用次数: 8
Determinants of Interest Rates on Time Deposits and Savings Accounts: Macro Factors, Bank Risk, and Account Features 定期存款和储蓄存款利率的决定因素:宏观因素、银行风险和账户特征
Pub Date : 2018-06-01 DOI: 10.1111/irfi.12143
J. Bikker, D. Gerritsen
Using a novel dataset from the Netherlands' banking sector, we examine how macroeconomic, bank†specific, and account†specific characteristics affect the interest rates of banking products. Our results show that interest rates have become more sensitive to bank risk since the onset of the global financial crisis. More generally, we show that time deposits reflect more closely the economic environment than bank interest rates on savings accounts do. Interest rates on deposit products vary not only across, but also within banks (i.e., across account of individual banks). We find that maturity†increasing conditions (i.e., withdrawal fees for savings accounts and product maturity for time deposits) positively influence a product's interest rate.
使用来自荷兰银行业的新数据集,我们研究了宏观经济、银行特定和账户特定特征如何影响银行产品的利率。我们的研究结果表明,自全球金融危机爆发以来,利率对银行风险变得更加敏感。更一般地说,我们表明定期存款比储蓄账户的银行利率更能反映经济环境。存款产品的利率不仅在不同银行之间不同,而且在银行内部也不同(即不同银行的不同账户)。我们发现到期日增加的条件(即储蓄账户的提款费用和定期存款的产品到期日)正影响产品的利率。
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引用次数: 22
Does the Fama and French Five‐Factor Model Work Well in Japan? 法玛和法国的五因素模型在日本适用吗?
Pub Date : 2018-03-01 DOI: 10.1111/irfi.12126
Keiichi Kubota, Hitoshi Takehara
In this study, we investigate whether the five-factor model by Fama and French (2015) explains well the pricing structure of stocks with long-run data for Japan. We conduct standard cross-section asset pricing tests and examine the additional explanatory power of the new Fama and French factors; robust-minus-weak profitability factor and conservative-minus-aggressive investment factor. We find that robust-minus-weak and the conservative-minus-aggressive factors are not statistically significant when we conduct generalized method of moments (GMM) tests with the Hansen–Jagannathan distance measure. Thus, we conclude that the original version of the Fama and French five-factor model is not the best benchmark pricing model for Japanese data during our sampling period from the year 1978 to the year 2014.
在本研究中,我们研究了Fama和French(2015)的五因素模型是否能很好地解释日本长期数据的股票定价结构。我们进行了标准的横截面资产定价测试,并检验了新的Fama和French因素的额外解释力;稳健-弱盈利因子和保守-激进投资因子。当我们用Hansen-Jagannathan距离测度进行广义矩量法(GMM)检验时,我们发现鲁棒-弱因子和保守-激进因子在统计上不显著。因此,我们得出结论,在1978年至2014年的抽样期内,Fama和French五因素模型的原始版本并不是日本数据的最佳基准定价模型。
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引用次数: 97
Convertible Debt: Financing Decisions and Voluntary Conversion Under Ambiguity 可转换债务:歧义下的融资决策与自愿转换
Pub Date : 2015-12-01 DOI: 10.1111/irfi.12057
E. Agliardi, R. Agliardi, Willem Spanjers
This paper integrates ambiguity into a contingent claim model for convertible debt. We study how convertible debt valuation is affected by the ambiguity biases of equity holders and debt holders and provide sensitivity analysis of the bond value to changes in attitude toward ambiguity, firm and bond parameters. Our results, which are summarized into five main predictions, are consistent with recent empirical evidence and offer a possible interpretation of some corporate finance puzzles.
本文将模糊性纳入可转换债务或有债权模型。我们研究了可转债估值如何受到股东和债权人歧义倾向的影响,并提供了债券价值对歧义态度、公司和债券参数变化的敏感性分析。我们的研究结果总结为五个主要预测,与最近的实证证据一致,并为一些公司财务难题提供了可能的解释。
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引用次数: 13
The Effectiveness of Capital Regulation on Bank Behavior in China 资本监管对中国银行行为的影响
Pub Date : 2015-09-01 DOI: 10.1111/irfi.12045
Yishu Fu, Shih‐Cheng Lee, Lie Xu, R. Zurbruegg
This paper examines the impact that ownership and governance structures have on how Chinese banks react to regulatory pressure. We find that the current regulatory regime induces banks to increase their capital, but its effectiveness in doing so varies based on whether the bank is listed or not, and also who is the majority shareholder. We also find that the degree of central government ownership and the political ties the chief executive officer of the bank has play an important role in the risk-taking behavior of banks. Overall, our results have a number of policy implications supporting the need to further reduce state ownership of banks in China to mitigate the prevailing moral hazard and dual-agency problems that arise from the government being both the regulator and the majority shareholder.
本文考察了股权和治理结构对中国银行如何应对监管压力的影响。我们发现,当前的监管制度促使银行增加资本,但其有效性因银行是否上市以及谁是大股东而异。我们还发现,中央政府持股程度和银行首席执行官的政治关系对银行的风险承担行为起着重要作用。总体而言,我们的研究结果有许多政策意义,支持进一步减少中国银行的国有所有权,以减轻普遍存在的道德风险和政府既是监管者又是大股东而产生的双重代理问题。
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引用次数: 22
Long‐Run Effects of Minimum Trading Unit Reductions on Stock Prices 最小交易单位减少对股票价格的长期影响
Pub Date : 2014-03-01 DOI: 10.1111/irfi.12026
Naoto Isaka
We examine empirically the long-run effects of reductions in minimum trading units (MTU) on stock prices in Japan from October 2001 to May 2008. When firms reduce their MTU, the number of individual shareholders tends to increase significantly for several years. We estimate buy-and-hold abnormal returns and find that positive stock returns are observed not only for the period between the announcement day and the actual date of MTU decreases, but also for a period of several years following MTU reductions. In addition, we measure stock price reactions to the release of public information before and after MTU reductions and find that stock prices react less to the release of positive information and more to the release of negative information after the MTU reductions. These findings, together with evidence of the change in the short and long positions of investors after the MTU reductions, indicate that individual investors face short-sales constraints.
本文实证研究了2001年10月至2008年5月日本最低交易单位(MTU)降低对股票价格的长期影响。当公司降低其MTU时,个人股东的数量往往会在几年内显著增加。我们估计了买入并持有的异常回报,并发现不仅在MTU降低的公告日和实际日期之间的时间段内观察到正的股票回报,而且在MTU降低后的几年内也观察到正的股票回报。此外,我们测量了MTU降低前后股价对公开信息发布的反应,发现MTU降低后股价对正面信息发布的反应较小,对负面信息发布的反应较大。这些发现,连同投资者在MTU削减后的空头和多头头寸变化的证据,表明个人投资者面临卖空限制。
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引用次数: 3
Financial Liberalization and Banking Crises: A Cross-Country Analysis 金融自由化与银行危机:一个跨国分析
Pub Date : 2010-04-01 DOI: 10.1111/j.1468-2443.2010.01114.x
Apanard Penny Prabha, Wanvimol Sawangngoenyuang, C. Wihlborg
Several studies indicate that financial liberalization contributes to the likelihood of a financial crisis. We focus on banking crises and argue that they are most likely to occur after an intermediate degree of liberalization. Using a recently updated dataset for financial reforms in 48 countries between 1973 and 2005, we find an inverted U-shaped relationship between liberalization and the likelihood of crisis. We ask whether the relationship remains when institutional characteristics of countries and dynamic effects of liberalization are considered. The empirical results indicate that the relationship between liberalization and banking crises depends strongly on the strength of capital regulation and supervision. With very weak regulation and supervision, the probability of banking crises is increasing with liberalization but this relationship is reversed as regulation and supervision become stricter. The most important type of liberalization in relation to banking crises seems to be behavioral (a relaxation of interest and credit controls). A policy implication is that positive growth effects of liberalization can be achieved without increasing the risk of a banking crisis if appropriate institutions are developed.
一些研究表明,金融自由化增加了发生金融危机的可能性。我们关注银行危机,并认为它们最有可能在中等程度的自由化之后发生。利用最近更新的48个国家1973年至2005年金融改革数据集,我们发现自由化与危机可能性之间呈倒u型关系。我们的问题是,当考虑到各国的制度特征和自由化的动态影响时,这种关系是否仍然存在。实证结果表明,自由化与银行危机之间的关系很大程度上取决于资本监管的力度。在监管非常薄弱的情况下,银行危机发生的可能性随着自由化而增加,但随着监管越来越严格,这种关系反过来了。与银行危机相关的最重要的自由化类型似乎是行为上的(放松利率和信贷控制)。一个政策含义是,如果发展适当的机构,自由化的积极增长效果可以在不增加银行危机风险的情况下实现。
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引用次数: 99
Competition and Market Structure of National Association of Securities Dealers Automated Quotations 全国证券交易商协会自动报价的竞争与市场结构
Pub Date : 2008-01-25 DOI: 10.1111/j.1468-2443.2007.00076.x
YoungSook Kim, Vikas Mehrotra
In this paper, we study the relation among market structure, trading costs, and competition in National Association of Securities Dealers Automated Quotations (NASDAQ). In particular, we address the following questions: Do NASDAQ dealers exercise market power and extract economic rents in setting bid-ask spread? How persistent is the market power of dominant dealers? Our estimate of the rent is approximately ¢8.76, or 0.54% of stock price. The half-life of the persistence of this rent is approximately 20 months for the entire sample, while the half-life of younger stocks tend to be shorter than those of more mature stocks. Our result supports Schultz: NASDAQ dealers make markets only for stocks where they have competitive advantages in accessing order flow and in information. It might take a while before a market maker poses effective competition to existing dominant market makers. In the meantime, incumbent market makers are able to exercise market power and appear to earn abnormally large profits.
本文研究了美国证券交易协会自动报价市场(NASDAQ)的市场结构、交易成本和竞争之间的关系。特别是,我们解决了以下问题:纳斯达克交易商是否行使市场权力并在设定买卖价差中提取经济租金?占主导地位的经销商的市场支配力有多持久?我们估计租金约为8.76美分,或0.54%的股票价格。整个样本的这种租金持续的半衰期约为20个月,而较年轻的股票的半衰期往往比较成熟的股票短。我们的研究结果支持舒尔茨的观点:纳斯达克交易商只为那些在获取订单流和信息方面具有竞争优势的股票做市。做市商可能需要一段时间才能对现有的占主导地位的做市商构成有效竞争。与此同时,现有的做市商能够行使市场支配力,似乎赚取了异常丰厚的利润。
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引用次数: 5
A Stochastic Measure of International Competitiveness 国际竞争力的随机度量
Pub Date : 2007-05-30 DOI: 10.1111/j.1468-2443.2009.01085.x
K. Clements, H. Izan, Yihui Lan
Government agencies produce indexes that purport to measure international competitiveness. The most common version is the real effective exchange rate, which is some form of weighted average of the real exchange rates of the country's trading partners. Such indexes convey a false sense of accuracy as they ignore the volatility among the component real exchange rates of the partners. As long as all real rates do not move in an equiproportionate fashion, in a fundamental sense real effective exchange rates are subject to estimation uncertainty. We demonstrate how this uncertainty can be measured and used to enhance current practice.
政府机构制定了旨在衡量国际竞争力的指数。最常见的版本是实际有效汇率,它是该国贸易伙伴实际汇率的某种形式的加权平均值。这些指数给人一种错误的准确性,因为它们忽略了伙伴国组成部分实际汇率之间的波动。只要所有实际汇率不是以等比方式变动,从基本意义上讲,实际有效汇率受制于估算的不确定性。我们演示了如何测量这种不确定性并使用它来增强当前的实践。
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引用次数: 4
The Scod Model: Analyzing Durations with a Semiparametric Copula Approach Scod模型:用半参数Copula方法分析工期
Pub Date : 2005-03-01 DOI: 10.1111/j.1468-2443.2006.00051.x
C. Savu, W. Ng
This paper applies a new methodology for modeling order durations of ultra-high-frequency data using copulas. While the class of common Autoregressive Conditional Duration models are characterized by strict parameterizations and high computational burden, the semiparametric copula approach proposed here offers more flexibility in modeling the dynamic duration process by separating the marginal distributions of waiting times from their temporal dependence structure. Comparing both frameworks as to their density forecast abilities, the Semiparametric Copula Duration model clearly shows a better performance.
本文提出了一种利用copula对超高频数据的阶数持续时间进行建模的新方法。常见的自回归条件持续时间模型具有严格的参数化和计算量大的特点,而本文提出的半参数copula方法通过将等待时间的边际分布与其时间依赖结构分离开来,为动态持续时间过程的建模提供了更大的灵活性。比较两种框架的密度预测能力,半参数Copula Duration模型明显表现出更好的性能。
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引用次数: 19
期刊
Wiley-Blackwell: International Review of Finance
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