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Why do firms list their shares in the US? The role of political uncertainty 企业为何在美国上市?政治不确定性的作用
Pub Date : 2024-07-18 DOI: 10.1108/jrf-09-2023-0240
Imen Ghadhab, Hamza Nizar
PurposeThis paper investigates the effect of political uncertainty on the decision to cross-list in the United States (US).Design/methodology/approachTo reach our paper aim, we use a sample of 589 non-US firms cross-listed in the US for the period from 2000 to 2019. We perform logit regression and use several political uncertainty proxies, including US election presidential years, political voting margin and the political uncertainty index from Baker et al. (2002), as a continuous measure of general political condition (Francis et al., 2021).FindingsWe find the following results. Non-US firms are less likely to cross-list their shares when US political uncertainty is high. We also find that the decision to cross-list is driven by price informativeness as a channel that can explain the role of political uncertainty. Our results are robust to the endogeneity concern. In addition, we find that political administration (Democrats vs Republicans) significantly affects the decision to cross-list. More particularly, we show that firms are more likely to cross-list their shares in the US when Democrats win the elections. Moreover, we find that cross-listed firms exhibit lower valuation compared to their non-cross-listed peers when US political uncertainty is high.Originality/valueUsing a unified framework of non-US firms cross-listed in the US, this paper contributes to different strands of the literature. Our first main contribution adds to the literature on cross-listing by providing, in our knowledge, the first evidence regarding the relation between cross-listing and political uncertainty. We add to the existing literature by showing that US political uncertainty significantly determines the decision to cross-list and value creation for cross-listed firms. Whether and how managers alter their strategic decision behavior in such settings is less clear. Hence, our paper contributes to the literature by documenting how political uncertainty impacts cross-listing decision and shapes management guidance decisions. Second, this study joins a growing body of literature that examines the real impact of economic policy uncertainty (EPU) on economic outcomes. We provide empirical evidence suggesting that cross-listed firms exhibit lower valuation during period of high political uncertainty due to decreased price informativeness.
为了达到本文的目的,我们使用了 2000 年至 2019 年期间在美国交叉上市的 589 家非美国公司作为样本。我们进行了对数回归,并使用了多个政治不确定性代用指标,包括美国大选总统年份、政治投票率和贝克等人(2002 年)的政治不确定性指数,作为一般政治条件的连续衡量指标(弗朗西斯等人,2021 年)。当美国政治不确定性较高时,非美国公司不太可能将其股票交叉上市。我们还发现,交叉上市的决定是由价格信息性驱动的,这是一个可以解释政治不确定性作用的渠道。我们的结果对于内生性问题是稳健的。此外,我们还发现政治管理(民主党与共和党)对交叉上市决策有显著影响。尤其是,我们发现当民主党赢得大选时,企业更有可能在美国交叉上市。此外,我们还发现,当美国政治不确定性较高时,与非交叉上市的同行相比,交叉上市的公司表现出较低的估值。我们的第一个主要贡献是为交叉上市相关文献增添了新的内容,据我们所知,本文首次提供了有关交叉上市与政治不确定性之间关系的证据。我们的研究表明,美国政治的不确定性在很大程度上决定了交叉上市的决策和交叉上市企业的价值创造,从而为现有文献增添了新的内容。在这种情况下,管理者是否以及如何改变其战略决策行为尚不清楚。因此,我们的论文通过记录政治不确定性如何影响交叉上市决策和塑造管理指导决策,为相关文献做出了贡献。其次,本研究加入了越来越多研究经济政策不确定性(EPU)对经济结果的实际影响的文献行列。我们提供的经验证据表明,在政治不确定性较高的时期,交叉上市的公司由于价格信息量减少而表现出较低的估值。
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引用次数: 0
How do green bonds promote common prosperity? Evidence from Chinese prefecture-level cities 绿色债券如何促进共同繁荣?来自中国地级市的证据
Pub Date : 2024-07-16 DOI: 10.1108/jrf-02-2024-0048
Yang Liu, Kangyin Dong, Kun Wang, Xiaowen Fu, Farhad Taghizadeh-Hesary
PurposeThe purpose of this study is to examine the impact of green bonds on common prosperity in China. Green bonds have gained significant attention as a means to address financial challenges and promote environmental protection. This research aims to investigate the influence of green bonds on common prosperity by utilizing the system-generalized method of moments (SYS-GMM) and analyzing panel data from prefecture-level cities. The study also explores the theoretical mechanisms and heterogeneous relationships between green bonds and common prosperity, providing valuable guidance for advancing economic and social well-being in China.Design/methodology/approachThis study employs a system-generalized method of moments (SYS-GMM) as the methodology to investigate the influence of green bonds on common prosperity in China. Panel data from prefecture-level cities for the period 2014 to 2020 are utilized for analysis. The SYS-GMM approach allows for the examination of dynamic relationships and control of endogeneity issues. By utilizing this methodology, the study aims to provide robust and reliable findings on the impact of green bonds on common prosperity, considering the specific context of China's ecological civilization development and financial challenges faced by energy-saving and environmental protection enterprises.FindingsThe findings of this research indicate several important outcomes. Firstly, common prosperity in China experienced substantial growth between 2014 and 2020. Secondly, green bonds have demonstrated a clear and positive impact on common prosperity. They contribute to the enhancement of common prosperity by driving industrial structure upgrading and fostering green technology innovation. Lastly, the study reveals that the positive influence of green bonds on common prosperity is particularly pronounced in the western region of China. These findings highlight the significance of green bonds in promoting sustainable economic development and societal well-being.Originality/valueThis study contributes to the existing literature by examining the impact of green bonds on common prosperity in China, utilizing the system-generalized method of moments (SYS-GMM) and panel data analysis. The research not only adds to the understanding of the relationship between green bonds and economic well-being but also provides insights into the theoretical mechanisms and heterogeneous relationships involved. The findings showcase the positive influence of green bonds on common prosperity, emphasizing their role in addressing financial challenges, promoting environmental protection, and driving sustainable development. The study's conclusions offer valuable guidance for policymakers, financial institutions, and stakeholders in advancing common prosperity in China.
本研究旨在探讨绿色债券对中国共同繁荣的影响。绿色债券作为应对金融挑战和促进环境保护的一种手段,已受到广泛关注。本研究利用系统广义矩法(SYS-GMM),通过分析地级市的面板数据,探讨绿色债券对共同富裕的影响。本研究采用系统广义矩量法(SYS-GMM)研究中国绿色债券对共同富裕的影响。分析采用的是地级市 2014 年至 2020 年的面板数据。SYS-GMM 方法可以检验动态关系并控制内生性问题。通过使用该方法,本研究旨在结合中国生态文明建设的具体背景和节能环保企业面临的金融挑战,就绿色债券对共同富裕的影响提供稳健可靠的结论。首先,2014 年至 2020 年期间,中国的共同富裕程度大幅提高。其次,绿色债券对共同富裕产生了明显的积极影响。绿色债券通过推动产业结构升级和促进绿色技术创新,为提高共同富裕水平做出了贡献。最后,研究发现,绿色债券对共同富裕的积极影响在中国西部地区尤为明显。本研究利用系统广义矩方法(SYS-GMM)和面板数据分析法,研究了绿色债券对中国共同富裕的影响,为现有文献做出了贡献。该研究不仅加深了人们对绿色债券与经济福利之间关系的理解,还深入探讨了其中的理论机制和异质性关系。研究结果展示了绿色债券对共同繁荣的积极影响,强调了绿色债券在应对金融挑战、促进环境保护和推动可持续发展方面的作用。研究结论为政策制定者、金融机构和利益相关者在中国推进共同富裕提供了有价值的指导。
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引用次数: 0
Geopolitical risk and banking performance: evidence from emerging economies 地缘政治风险与银行业业绩:来自新兴经济体的证据
Pub Date : 2024-06-11 DOI: 10.1108/jrf-10-2023-0243
Nabil Adel, Maryem Naili
PurposeThis study delves into the critical issue of banks' stability and profitability, which are crucial elements for fostering economic growth and preserving depositor confidence. Specifically, we scrutinize the impact of geopolitical risks on the profitability and solvency of banks operating in emerging economies across the Middle East and Africa.Design/methodology/approachEmploying a two-step Generalized Method of Moments (GMM) approach, we analyze a comprehensive dataset comprising 125 banks spanning 13 emerging economies in the Middle East and Africa, covering the period from 2003 to 2019.FindingsOur study reveals a significant sensitivity of Middle Eastern banks to geopolitical risks, wherein effective anticipation or adaptation to these risks positively influences bank performance. Conversely, the impact of geopolitical risk on African banking profitability appears inconclusive and statistically insignificant. These nuanced findings underscore the complex interplay between geopolitical dynamics and financial performance in diverse regional contexts, with implications for policymakers and industry stakeholders.Practical implicationsOur findings underscore the need for nuanced policy responses and risk management strategies tailored to the unique challenges posed by geopolitical dynamics in emerging markets. Furthermore, they highlight the importance of continued research efforts to deepen our understanding of these complex interactions and inform more effective decision-making in the financial sector.Originality/valueAmidst growing recognition of the importance of geopolitical risks in financial markets, empirical studies exploring their precise impact on bank performance remain scarce. This study fills this gap by offering a pioneering investigation into the influence of geopolitical risks on bank profitability and solvency, using advanced econometric techniques and a substantial, diverse sample of banks in emerging economies across the Middle East and Africa.
目的 本研究深入探讨了银行的稳定性和盈利能力这一关键问题,它们是促进经济增长和维护储户信心的重要因素。我们采用两步广义矩量法(GMM)方法,分析了由中东和非洲 13 个新兴经济体的 125 家银行组成的综合数据集,时间跨度为 2003 年至 2019 年。研究结果我们的研究揭示了中东银行对地缘政治风险的显著敏感性,对这些风险的有效预测或适应会对银行业绩产生积极影响。相反,地缘政治风险对非洲银行业盈利能力的影响似乎并不确定,在统计上也不显著。这些细致入微的研究结果凸显了地缘政治动态与不同地区金融业绩之间复杂的相互作用,对政策制定者和行业利益相关者具有启示意义。 我们的研究结果表明,需要针对新兴市场地缘政治动态带来的独特挑战制定细致入微的政策应对措施和风险管理战略。此外,这些研究还强调了继续开展研究工作的重要性,以加深我们对这些复杂互动关系的理解,并为金融部门更有效的决策提供依据。原创性/价值尽管人们日益认识到地缘政治风险在金融市场中的重要性,但探讨其对银行业绩确切影响的实证研究仍然很少。本研究利用先进的计量经济学技术和中东及非洲新兴经济体中大量不同的银行样本,开创性地探讨了地缘政治风险对银行盈利能力和偿付能力的影响,从而填补了这一空白。
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引用次数: 0
Temporary employment and financial distress in times of crisis 危机时期的临时就业和财务困境
Pub Date : 2024-05-21 DOI: 10.1108/jrf-09-2023-0226
Dengjun Zhang, N. Wellalage, Viviana Fernandez
PurposeThis study investigates the impact of temporary employment on various forms of financial distress for firms during the COVID-19 pandemic.Design/methodology/approachThe authors apply a logit model to evaluate the differences in the probabilities of experiencing financial distress for firms with or without temporary reemployment and for firms with different intensities of temporary workers. As an additional test, an ordinal logistic model is applied to reflect different degrees of financial distress.FindingsOur main results indicate that firms with temporary employment are more likely to experience financial distress than firms without temporary employment, regardless of the severity of financial distress. Among firms with temporary employment, our analysis suggests that a firm’s likelihood of experiencing financial distress depends on its relative share (quantile) of temporary workers.Practical implicationsOur findings provide valuable insights for evaluating the impact of temporary employment on firms’ vulnerability during the COVID-19 crisis and suggest strategies for firms to enhance resilience to similar future crises.Originality/valueOur study is the first one that explores the relationship between temporary employment and financial distress. Firms around the world have been pursuing flexible labor to improve resilience and firm performance. The pandemic may further ramify this trend, creating a future “new normal” regarding employment relationships, job segmentation and gender equality in the job market. This article adds a new dimension to the evaluation of the new normal, which may help firms evaluate the consequences of temporary employment, especially in times of crisis.
本研究调查了在 COVID-19 大流行期间,临时雇佣对企业各种形式财务困境的影响。作者采用 logit 模型评估了有无临时再雇佣的企业以及临时工强度不同的企业遭遇财务困境的概率差异。我们的主要结果表明,无论财务困境的严重程度如何,有临时雇佣员工的企业比没有临时雇佣员工的企业更有可能遭遇财务困境。我们的研究结果为评估 COVID-19 危机期间临时雇佣对企业脆弱性的影响提供了有价值的见解,并为企业提高抵御未来类似危机的能力提出了策略建议。原创性/价值我们的研究是首个探讨临时雇佣与财务困境之间关系的研究。世界各地的企业一直在追求灵活用工,以提高应变能力和企业绩效。大流行病可能会进一步加剧这一趋势,在就业市场的雇佣关系、工作细分和性别平等方面创造未来的 "新常态"。本文为 "新常态 "的评估增添了一个新的维度,可帮助企业评估临时用工的后果,尤其是在危机时期。
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引用次数: 0
Does the Too-Big-To-Fail status affect depositor’s discipline: a Gaussian mixture model algorithm approach "太大而不能倒 "的状况是否会影响储户的自律:一种高斯混合模型算法方法
Pub Date : 2024-04-24 DOI: 10.1108/jrf-09-2023-0222
Arushi Jain
PurposeThis study empirically demonstrates a contradiction between pillar 3 of Basel norms III and the designation of Systemically Important Banks (SIBs), also known as Too Big to Fail (TBTF). The objective of this study is threefold, which has been approached in a phased manner. The first is to determine the systemic importance of the banks under study; second, to examine if market discipline exists at different levels of systemic importance of banks and lastly, to examine if the strength of market discipline varies at different levels of systemic importance.Design/methodology/approachThis study is based on all the public and private sector banks operating in the Indian banking sector. The Gaussian Mixture Model algorithm has been utilized to classify banks into distinct levels of systemic importance. Thereafter, market discipline has been observed by analyzing depositors' sentiments toward banks' risk (CAMEL indicators). The analysis has been performed by employing the system Generalized Method of Moments (GMM) to estimate models with different dependent variables.FindingsThe findings affirm the existence of market discipline across all levels of systemic importance. However, the strength of market discipline varies with the systemic importance of the banks, with weak market discipline being a negative externality of the SIBs designation.Originality/valueBy employing the Gaussian Mixture Model algorithm to develop a framework for categorizing banks on the basis of their systemic importance, this study is the first to go beyond the conventional method as outlined by the Reserve Bank of India (RBI).
目的 本研究通过经验证明了《巴塞尔协议 III》第三支柱与系统重要性银行(SIBs)(又称 "大而不能倒 "银行(TBTF))指定之间的矛盾。本研究的目标有三个,分阶段进行。首先,确定所研究银行的系统重要性;其次,研究不同系统重要性水平的银行是否存在市场纪律;最后,研究不同系统重要性水平的银行是否具有不同的市场纪律。利用高斯混合模型算法将银行划分为不同的系统重要性级别。之后,通过分析储户对银行风险的看法(CAMEL 指标)来观察市场纪律。分析采用了系统广义矩法(GMM)来估计不同因变量的模型。原创性/价值通过采用高斯混合模型算法来建立一个根据银行的系统重要性对银行进行分类的框架,本研究首次超越了印度储备银行(RBI)概述的传统方法。
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引用次数: 0
Is tax avoidance one of the purposes of financial data manipulation? The case of Romania 避税是篡改财务数据的目的之一吗?罗马尼亚的案例
Pub Date : 2024-04-24 DOI: 10.1108/jrf-11-2023-0273
Isabella Lucut Capras, M. Achim, Eugenia Ramona Mara
PurposeCompanies avoid taxes in a variety of ways and use different methods to do that, one of the most common being earnings management. The purpose of this paper is to investigate whether companies manipulate their financial data in order to reduce taxes paid.Design/methodology/approachWe considered a sample of 63 listed Romanian companies for the period 2016–2021. The Beneish model was used for estimating earnings management, and the effective tax rate was used to measure tax avoidance. The analysis was carried out using regression analysis in Stata13 software.FindingsThe findings of the research indicate a negative and statistically significant association between effective tax rate and earnings management, implying that one of the main reasons why companies manipulate their earnings to reduce tax burden and avoid taxes. Moreover, our results show that return on assets (ROA) has a statistically significant negative influence on the effective tax rate. Furthermore, our analysis reveals that firm size, growth, and Big4 audit have no effect on effective tax rate.Research limitations/implicationsBecause it analyzes concrete cases using financial data and provides some recommendations for addressing the issue of tax avoidance, this work is useful in advancing both quantitative and qualitative research on this topic. This research is relevant for businesses, governments, regulators, audit professionals and investors.Originality/valueThe study, by analyzing concrete cases using reported financial data, contributes in filling the gap within the literature that results from a lack of scientific research on the relationship between tax avoidance and earnings management, and then it clarifies the nature of the causal connection between them. Moreover, it considers a combination of firm related variables including performance, size and also audit quality.
目的公司避税的方式多种多样,使用的方法也各不相同,最常见的方法之一就是收益管理。本文旨在调查公司是否操纵财务数据以减少纳税。本文使用 Beneish 模型来估算收益管理,并使用实际税率来衡量避税行为。研究结果研究结果表明,实际税率与收益管理之间存在负相关,且在统计上具有显著性,这意味着公司操纵收益的主要原因之一是为了降低税负和避税。此外,我们的研究结果表明,资产回报率(ROA)对实际税率有显著的负向影响。此外,我们的分析表明,公司规模、成长性和 Big4 审计对实际税率没有影响。研究局限/意义由于本研究利用财务数据对具体案例进行了分析,并提出了一些解决避税问题的建议,因此本研究对推进该主题的定量和定性研究都很有帮助。这项研究对企业、政府、监管机构、审计专业人士和投资者都具有现实意义。原创性/价值这项研究通过使用报告的财务数据对具体案例进行分析,有助于填补由于缺乏对避税和收益管理之间关系的科学研究而导致的文献空白,进而阐明两者之间因果关系的性质。此外,它还考虑了公司相关变量的组合,包括业绩、规模和审计质量。
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引用次数: 0
Economic freedom and banks' risk-taking in Japan: a tale of two sides 日本的经济自由与银行冒险:一个两面性的故事
Pub Date : 2024-04-19 DOI: 10.1108/jrf-03-2023-0061
Faisal Abbas, Shoaib Ali, M. Suleman
PurposeThis study examined how economic freedom and its related components, such as open markets, regulatory efficiency, rule of law and the size of government, affect bank risk behavior, focusing on the Japanese context.Design/methodology/approachThe study employs a two-step GMM framework on the annual data of Japanese banks ranging from 2005 to 2020 to empirically test the hypotheses. Furthermore, we also use the ordinary least square method to ensure the robustness of our mainline findings.FindingsThe finding suggests that economic freedom increases the banks' risk-taking, thus making them fragile. The results also highlight that out of the four main subcomponents of economic freedom, regulatory efficiency and government size increase bank risk-taking, while the rule of law and open markets decrease banks' risk-taking. Additionally, we examine how the banks' specific characteristics affect the results by creating a subsample based on capitalization and liquidity ratios. Overall, the results are consistent with the baseline findings. Moreover, the results are robust to alternative proxy measures of risk.Practical implicationsThe study's findings have several implications for regulators and policymakers. The results suggest that regulators and policymakers should reconsider their strategies for economic freedom to ensure that they promote stability in the banking system and reduce banks' risk-taking inclinations.Originality/valueAlthough previous studies have examined the impact of economic freedom on bank stability and risk-taking, this study is the first to do so in the Japanese context, contributing to the literature by providing new insights and empirical evidence.
目的本研究以日本为研究对象,探讨了经济自由度及其相关组成部分(如开放市场、监管效率、法治和政府规模)如何影响银行的风险行为。此外,我们还使用了普通最小二乘法,以确保我们的主要结论的稳健性。研究结果还表明,在经济自由度的四个主要分项中,监管效率和政府规模会增加银行的风险承担,而法治和开放市场则会降低银行的风险承担。此外,我们还根据资本化比率和流动性比率建立了一个子样本,以研究银行的具体特征如何影响研究结果。总体而言,结果与基线结论一致。研究结果对监管者和政策制定者有若干启示。研究结果表明,监管机构和政策制定者应重新考虑他们的经济自由战略,以确保这些战略能促进银行体系的稳定,并减少银行的风险承担倾向。原创性/价值虽然之前的研究已经考察了经济自由对银行稳定性和风险承担的影响,但本研究是首次在日本背景下考察经济自由对银行稳定性和风险承担的影响,通过提供新的见解和经验证据为相关文献做出了贡献。
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引用次数: 0
The impact of market concentration and market power on banking stability – evidence from Europe 市场集中度和市场力量对银行业稳定性的影响--来自欧洲的证据
Pub Date : 2024-04-15 DOI: 10.1108/jrf-03-2023-0075
Sarah Herwald, Simone Voigt, André Uhde
PurposeAcademic research has intensively analyzed the relationship between market concentration or market power and banking stability but provides ambiguous results, which are summarized under the concentration-stability/fragility view. We provide empirical evidence that the mixed results are due to the difficulty of identifying reliable variables to measure concentration and market power.Design/methodology/approachUsing data from 3,943 banks operating in the European Union (EU)-15 between 2013 and 2020, we employ linear regression models on panel data. Banking market concentration is measured by the Herfindahl–Hirschman Index (HHI), and market power is estimated by the product-specific Lerner Indices for the loan and deposit market, respectively.FindingsOur analysis reveals a significantly stability-decreasing impact of market concentration (HHI) and a significantly stability-increasing effect of market power (Lerner Indices). In addition, we provide evidence for a weak (or even absent) empirical relationship between the (non)structural measures, challenging the validity of the structure-conduct-performance (SCP) paradigm. Our baseline findings remain robust, especially when controlling for a likely reverse causality.Originality/valueOur results suggest that the HHI may reflect other factors beyond market power that influence banking stability. Thus, banking supervisors and competition authorities should investigate market concentration and market power simultaneously while considering their joint impact on banking stability.
目的学术研究深入分析了市场集中度或市场力量与银行业稳定性之间的关系,但得出的结果模棱两可,归纳为集中度-稳定性-脆弱性观点。我们提供的实证证据表明,结果不一的原因在于难以确定可靠的变量来衡量集中度和市场力量。设计/方法/途径利用 2013 年至 2020 年期间在欧盟(EU)15 国运营的 3943 家银行的数据,我们对面板数据采用线性回归模型。银行业市场集中度由赫芬达尔-赫希曼指数(HHI)衡量,市场力量则分别由贷款市场和存款市场的特定产品勒纳指数估算。此外,我们还提供了证据,证明(非)结构性措施之间的经验关系较弱(甚至不存在),这对结构-行为-绩效(SCP)范式的有效性提出了挑战。我们的基线研究结果依然稳健,尤其是在控制可能存在的反向因果关系时。原创性/价值我们的研究结果表明,HHI 可能反映了影响银行业稳定性的市场力量之外的其他因素。因此,银行监管机构和竞争管理机构应同时调查市场集中度和市场力量,同时考虑它们对银行业稳定性的共同影响。
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引用次数: 0
How do gender diversity and CEO profile impact dividend policy in banking? Evidence from Islamic and conventional banks 性别多样性和首席执行官形象如何影响银行业的股利政策?伊斯兰银行和传统银行的证据
Pub Date : 2024-03-26 DOI: 10.1108/jrf-09-2023-0217
Hicham Sbai, I. Kahloul, Jocelyn Grira
PurposeThis paper aims to examine the determinants of the dividend distribution policy in a banking setting.Design/methodology/approachUsing a sample of 48 Islamic banks and 94 conventional banks from 15 Islamic countries over a period spanning from 2012 to 2019, we document the effect of board gender diversity, executive director profile and governance mechanisms on dividend payment decisions. We also analyze the moderating effect of Islamic banks on the relationship between gender diversity and dividend policy.FindingsWe find new evidence on the role of women directors in determining dividend distribution policy and confirm the risk aversion hypothesis, hence contributing to the ongoing debate on gender diversity literature. Our results show that the moderating role of Islamic banks is effective only for small banks.Practical implicationsOur findings have practical implications for shareholders, managers and financial analysts as they suggest rationalizing dividend distribution strategies.Originality/valueOur study contributes to the growing body of knowledge on dividend policy, gender diversity and Islamic banks.
本文旨在研究银行业股利分配政策的决定因素。设计/方法/途径我们以 15 个伊斯兰国家的 48 家伊斯兰银行和 94 家传统银行为样本,时间跨度为 2012 年至 2019 年,记录了董事会性别多样性、执行董事情况和治理机制对股利支付决策的影响。我们还分析了伊斯兰银行对性别多样性与股利政策之间关系的调节作用。研究结果我们发现了女性董事在决定股利分配政策方面所起作用的新证据,并证实了风险规避假说,从而为目前有关性别多样性文献的讨论做出了贡献。我们的研究结果表明,伊斯兰银行的调节作用仅对小型银行有效。原创性/价值我们的研究为有关股利政策、性别多样性和伊斯兰银行的知识体系的发展做出了贡献。
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引用次数: 0
Downside risk in Dow Jones equity markets: hedging and portfolio management during COVID-19 pandemic and the Russia–Ukraine war 道琼斯股票市场的下行风险:COVID-19 大流行和俄乌战争期间的对冲和投资组合管理
Pub Date : 2024-03-22 DOI: 10.1108/jrf-07-2023-0157
Amira Said, Chokri Ouerfelli
PurposeThis paper aims to examine the dynamic conditional correlation (DCC) and hedging ratios between Dow Jones markets and oil, gold and bitcoin. Using daily data, including the COVID-19 pandemic and the Russia–Ukraine war. We employ the DCC-generalized autoregressive conditional heteroskedasticity (GARCH) and asymmetric DCC (ADCC)-GARCH models.Design/methodology/approachDCC-GARCH and ADCC-GARCH models.FindingsThe most of DCCs among market pairs are positive during COVID-19 period, implying the existence of volatility spillovers (Contagion-effects). This implies the lack of additional economic gains of diversification. So, COVID-19 represents a systematic risk that resists diversification. However, during the Russia–Ukraine war the DCCs are negative for most pairs that include Oil and Gold, implying investors may benefit from portfolio-diversification. Our hedging analysis carries significant implications for investors seeking higher returns while hedging their Dow Jones portfolios: keeping their portfolios unhedged is better than hedging them. This is because Islamic stocks have the ability to mitigate risks.Originality/valueOur paper may make a valuable contribution to the existing literature by examining the hedging of financial assets, including both conventional and Islamic assets, during periods of stability and crisis, such as the COVID-19 pandemic and the Russia–Ukraine war.
目的 本文旨在研究道琼斯市场与石油、黄金和比特币之间的动态条件相关性(DCC)和对冲比率。我们使用每日数据,包括 COVID-19 大流行和俄乌战争。我们采用了 DCC-广义自回归条件异方差(GARCH)和非对称 DCC(ADCC)-GARCH 模型。这意味着多样化缺乏额外的经济收益。因此,COVID-19 代表着一种抵制多样化的系统性风险。然而,在俄乌战争期间,包括石油和黄金在内的大多数货币对的 DCC 均为负值,这意味着投资者可从投资组合多样化中获益。我们的对冲分析对于在对冲道琼斯投资组合的同时寻求更高回报的投资者具有重要意义:保持投资组合不对冲比对冲更好。原创性/价值我们的论文通过研究金融资产(包括传统资产和伊斯兰资产)在稳定期和危机期(如 COVID-19 大流行病和俄罗斯-乌克兰战争)的对冲情况,为现有文献做出了宝贵贡献。
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The Journal of Risk Finance
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