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Extended Least Squares Making Evident Nonlinear Relationships between Variables: Portfolios of Financial Assets 扩展最小二乘法使变量之间的非线性关系显而易见:金融资产组合
Q4 Business, Management and Accounting Pub Date : 2024-08-02 DOI: 10.3390/jrfm17080336
Pierpaolo Angelini
This research work extends the least squares criterion. The regression models which have been treated so far in the literature do not study multilinear relationships between variables. Such relationships are of a nonlinear nature. They take place whenever two or more than two univariate variables are the components of a multiple variable of order 2 or an order greater than 2. A multiple variable of order 2 is not a bivariate variable, and a multiple variable of an order greater than 2 is not a multivariate variable. A multiple variable allows for the construction of a tensor. The α-norm of this tensor gives rise to an aggregate measure of a multilinear nature. In particular, given a multiple variable of order 2, four regression lines can be estimated in the same subset of a two-dimensional linear space over R. How these four regression lines give rise to an aggregate measure of a multilinear nature is shown by this paper. In this research work, such a measure is an estimate concerning the expected return on a portfolio of financial assets. The metric notion of α-product is used to summarize the sampling units which are observed.
这项研究工作扩展了最小二乘标准。迄今为止,文献中的回归模型并没有研究变量之间的多线性关系。这种关系具有非线性性质。只要两个或两个以上的单变量是 2 阶或大于 2 阶的多变量的组成部分,就会出现这种关系。阶次为 2 的多元变量不是二元变量,阶次大于 2 的多元变量不是多元变量。多元变量可以构造张量。这个张量的 α 正则产生了一个多线性性质的总体度量。本文将展示这四条回归线是如何产生多线性度量的。在本研究工作中,这种度量是对金融资产组合预期收益的估计。α-乘积的度量概念用于概括观察到的抽样单位。
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引用次数: 0
Mapping Corporate Tax Planning and Corporate Social Responsibility: A Hybrid Method of Category Analysis 企业税收筹划与企业社会责任的映射:类别分析混合法
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080333
Lurdes Araújo, Sérgio Ravara Cruz, Luís Lima Santos, Lucília Cardoso
The relationship between corporate tax planning (CTP) and corporate social responsibility (CSR) is complex, with various perspectives, and a detailed scientific analysis of this relationship is required. This complexity arises from the conflicting interests of maximizing shareholder value through tax strategies while meeting societal expectations of ethical behaviour and transparency. So, the main objective of this research is to reveal the state of the art regarding the relationship between these two concepts. To achieve this goal and map the scientific literature relating to CTP and CSR, the Scopus and Web of Science (WoS) databases were used, resulting in a screening process identifying 47 relevant articles. The methodology employed is hybrid, combining a systematic review and category analysis. The main results reveal a strong relationship between corporate tax planning and CSR. Tax avoidance is the focus, followed by tax aggressiveness due to the conflict between shareholder benefits and social obligations. In addition, the most tested theory is risk management. This study highlights the interdisciplinary nature of CTP and CSR research, integrating accounting, business ethics, and management for a holistic understanding of corporate behaviour. The focus on tax avoidance underscores its key role in the CTP-CSR relationship, reinforcing theories that link tax practices to corporate ethics and suggesting aggressive tax strategies can undermine CSR efforts. As the main practical implication, the study suggests that policymakers should promote transparency in companies’ tax practices and encourage CSR activities, aligning companies’ behaviour with society’s expectations and improving compliance with tax obligations.
企业税收筹划(CTP)与企业社会责任(CSR)之间的关系错综复杂,角度各异,需要对这种关系进行详细的科学分析。这种复杂性源于两方面的利益冲突:一方面要通过税收战略实现股东价值最大化,另一方面又要满足社会对道德行为和透明度的期望。因此,本研究的主要目的是揭示这两个概念之间关系的最新进展。为了实现这一目标,并绘制与 CTP 和企业社会责任相关的科学文献地图,我们使用了 Scopus 和 Web of Science (WoS) 数据库,经过筛选,确定了 47 篇相关文章。所采用的方法是混合型的,结合了系统综述和分类分析。主要结果显示,企业税收筹划与企业社会责任之间存在密切关系。避税是重点,其次是由于股东利益和社会义务之间的冲突而导致的税收激进。此外,经检验最多的理论是风险管理。本研究突出了企业税务筹划和企业社会责任研究的跨学科性质,将会计、商业道德和管理融为一体,以全面了解企业行为。对避税的关注强调了其在 CTP 与 CSR 关系中的关键作用,强化了将税收实践与企业道德联系起来的理论,并表明激进的税收策略会破坏企业社会责任的努力。研究的主要实际意义在于,政策制定者应提高公司税务行为的透明度,鼓励企业社会责任活动,使公司的行为符合社会的期望,更好地履行纳税义务。
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引用次数: 0
Factors Influencing Greenhouse Gas Reduction Measures in European Ports: Implications for Sustainable Investing 影响欧洲港口温室气体减排措施的因素:对可持续投资的影响
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080329
Khilian Schodler, Adriana Saraceni
European Union cargo and container ports are under pressure to reduce GHG emissions and achieve carbon neutrality by 2050, as mandated by the European Commission. The pace of progress varies among ports. This study examined the characteristics influencing GHG reduction measures in European cargo and container ports and their implications for sustainable investing. The methods used in this study, such as linear regression models to analyze predictive variables, can be applied in sustainable investing to assess which factors most strongly predict a company’s environmental, social, and governance performance. Using linear regression models to analyze data from the 33 busiest European ports, we identified five predictive variables: port size, cargo mix, surrounding population density, access to the sea, and the economic wealth of the host country. Our findings revealed that the port size significantly correlates with the adoption of measures to reduce scope 1, 2, and 3 emissions. This study underscores the importance of contextual and operational factors in evaluating sustainability efforts across sectors. The results contribute to drawing parallels with the field of sustainable investing within finance. This offers valuable insights for sustainable investing, emphasizing the importance of considering various contextual and operational factors when evaluating the sustainability efforts of entities in different sectors.
欧盟货运和集装箱港口面临着减少温室气体排放和在 2050 年前实现碳中和的压力,这是欧盟委员会规定的任务。各港口的进展速度不尽相同。本研究探讨了影响欧洲货运和集装箱港口温室气体减排措施的特征及其对可持续投资的影响。本研究中使用的方法,如分析预测变量的线性回归模型,可用于可持续投资,以评估哪些因素能最有力地预测公司的环境、社会和治理绩效。利用线性回归模型分析欧洲 33 个最繁忙港口的数据,我们确定了五个预测变量:港口规模、货物组合、周边人口密度、出海口以及东道国的经济财富。我们的研究结果表明,港口规模与采取减少范围 1、2 和 3 排放的措施密切相关。这项研究强调了环境和运营因素在评估各部门可持续发展工作中的重要性。研究结果有助于将其与金融领域的可持续投资相提并论。这为可持续投资提供了宝贵的见解,强调了在评估不同行业实体的可持续发展努力时考虑各种背景和运营因素的重要性。
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引用次数: 0
Loan Pricing in Peer-to-Peer Lending 点对点借贷中的贷款定价
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080331
David D. Maloney, Sung-Chul Hong, Barin Nag
Lenders writing loans in the peer-to-peer market carry risk with the anticipation of an expected return. In the current implementation, many lenders do not have an exit strategy beyond holding the loan for the full repayment term. Many would-be lenders are deterred by the risk of being stuck with an illiquid investment without a method for adjusting to overall economic conditions. This risk is a limiting factor for the overall number of loan transactions. This risk prevents funding for many applicants in need, while simultaneously steering capital towards other more liquid and mature markets. The underdeveloped valuation methods used presently in the peer-to-peer lending space present an opportunity for establishing a model for assigning value to loans. We provide a novel application of an established model for pricing peer-to-peer loans based on multiple factors common in all loans. The method can be used to give a value to a peer-to-peer loan which enables transactions. These transactions can potentially encourage participation and overall maturity in the secondary peer-to-peer loan trading market. We apply established valuation algorithms to peer-to-peer loans to provide a method for lenders to employ, enabling note trading in the secondary market.
在点对点市场上发放贷款的贷款人承担着风险,并期待着预期回报。在目前的实施过程中,许多贷款人除了在整个还款期内持有贷款外,并没有退出策略。许多有意放贷的人都会被这种风险所吓倒,因为他们会被一种流动性不强的投资所困,而又没有办法根据整体经济状况进行调整。这种风险限制了贷款交易的总体数量。这种风险阻碍了许多有需要的申请人获得资金,同时也将资金引向了其他流动性更强的成熟市场。点对点借贷领域目前使用的估值方法尚不完善,这为建立贷款价值分配模型提供了机会。我们提供了一个基于所有贷款中常见的多种因素的点对点贷款定价模型的新应用。该方法可用于赋予点对点贷款价值,从而促成交易。这些交易有可能促进二级点对点贷款交易市场的参与和整体成熟。我们将既定的估值算法应用于点对点贷款,为贷款人提供一种可采用的方法,从而促成二级市场上的票据交易。
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引用次数: 0
Business Model Innovation Factors of Small and Medium-Sized Enterprises in Bolivia 玻利维亚中小企业的商业模式创新因素
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080334
Franco Arandia Arzabe, Lars Bengtsson, Jazmin Estefania Olivares Ugarte
This paper aims to explore how four Bolivian small and medium-sized enterprises’ business has overcome the gaps in reliance on traditional small and medium-sized enterprises’ business models, i.e., to extract and sell raw unrefined natural resources in a local area, and instead make productive use of innovation inputs (technology, higher-educated people) by innovating their business models. We were particularly interested in how the small and medium-sized enterprises could manage to develop their business models in relation to the socio-cultural, economic, and technological contexts in a lower middle-income country such as Bolivia. We employ an exploratory multiple case study. The study’s results show that the four selected small and medium-sized enterprises’ business model innovation processes followed two different business model innovation patterns, a technology-driven pattern and market-driven pattern shaped by the macro-level factors of availability of natural resources, the informally organized economy, regulations, and access to higher education resources. The paper ends with presenting the managerial, policy, and theoretical implications of the study.
本文旨在探讨玻利维亚四家中小型企业的业务如何克服依赖传统中小型企业业务模式(即在当地开采和销售未经提炼的自然资源)的差距,转而通过创新业务模式,有效利用创新投入(技术、受过高等教育的人)。我们尤其感兴趣的是,在玻利维亚这样一个中低收入国家,中小型企业如何在社会文化、经济和技术背景下发展自己的商业模式。我们采用了探索性多案例研究。研究结果表明,所选四家中小型企业的商业模式创新过程遵循两种不同的商业模式创新模式,一种是技术驱动模式,另一种是市场驱动模式,这两种模式是由自然资源的可用性、非正规经济组织、法规和高等教育资源的获取等宏观因素形成的。本文最后介绍了本研究的管理、政策和理论意义。
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引用次数: 0
Prediction of Currency Exchange Rate Based on Transformers 基于变压器的货币汇率预测
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080332
Lu Zhao, Wei Qi Yan
The currency exchange rate is a crucial link between all countries related to economic and trade activities. With increasing volatility, exchange rate fluctuations have become frequent under the combined effects of global economic uncertainty and political risks. Consequently, accurate exchange rate prediction is significant in managing financial risks and economic instability. In recent years, the Transformer models have attracted attention in the field of time series analysis. Transformer models, such as Informer and TFT (Temporal Fusion Transformer), have also been extensively studied. In this paper, we evaluate the performance of the Transformer, Informer, and TFT models based on four exchange rate datasets: NZD/USD, NZD/CNY, NZD/GBP, and NZD/AUD. The results indicate that the TFT model has achieved the highest accuracy in exchange rate prediction, with an R2 value of up to 0.94 and the lowest RMSE and MAE errors. However, the Informer model offers faster training and convergence speeds than the TFT and Transformer, making it more efficient. Furthermore, our experiments on the TFT model demonstrate that integrating the VIX index can enhance the accuracy of exchange rate predictions.
货币汇率是联系各国经济和贸易活动的重要纽带。在全球经济不确定性和政治风险的共同作用下,汇率波动日益频繁。因此,准确的汇率预测对于管理金融风险和经济不稳定具有重要意义。近年来,Transformer 模型在时间序列分析领域备受关注。对 Informer 和 TFT(时态融合变换器)等变换器模型也进行了广泛的研究。本文基于四个汇率数据集评估了 Transformer、Informer 和 TFT 模型的性能:新西兰元/美元、新西兰元/人民币、新西兰元/英镑和新西兰元/澳元。结果表明,TFT 模型的汇率预测准确率最高,R2 值高达 0.94,RMSE 和 MAE 误差最小。不过,与 TFT 和 Transformer 相比,Informer 模型的训练和收敛速度更快,因此效率更高。此外,我们对 TFT 模型的实验表明,整合 VIX 指数可以提高汇率预测的准确性。
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引用次数: 0
Math Calculation and Financial Literacy: The Incidence of Geometric Progressions in the Calculation of Financial Interest 数学计算与金融知识:财务利息计算中几何级数的发生率
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080330
Elena Moreno-García
Calculations about compound interest serve as the basis of most financial decisions; therefore, it is imperative to explore what mathematical knowledge people need to correctly calculate simple and compound interest. The aim of this study is to analyze the relationship between college students’ competence in calculating simple and compound interest and their understanding of the arithmetic and geometric progressions. It is also pointed out whether the results vary according to gender. Population proportion tests are carried out, and gender proportion differences are considered for inferential analysis. The dichotomous Probit model was used for correlation analysis. Results demonstrate that 59.8% of students know how to formulate a whole-number succession, and only 30.9% in the case of fractional numbers. Less than 50% of students can calculate compound interest, but 76.7% can calculate simple interest. There is no significant difference between men and women. The results show a positive relationship between male students’ competence in calculating compound interest with the possibility to correctly formulate a geometric succession. Findings can be useful for mathematics teaching strategy design and its applications in finance contexts with the purpose of training students to be better at finance decision making.
复利计算是大多数财务决策的基础;因此,探讨人们需要哪些数学知识才能正确计算单利和复利是当务之急。本研究旨在分析大学生计算单利和复利的能力与他们对算术级数和几何级数的理解之间的关系。研究还指出了不同性别的结果是否有所不同。进行了人口比例检验,并考虑了推论分析中的性别比例差异。相关分析采用了二分 Probit 模型。结果表明,59.8% 的学生知道如何计算整数的连乘,只有 30.9%的学生知道如何计算小数的连乘。不到 50%的学生会计算复利,但 76.7%的学生会计算单利。男女生之间没有明显差异。结果表明,男生计算复利的能力与能否正确计算几何级数之间存在正比关系。研究结果有助于数学教学策略的设计及其在金融领域的应用,从而培养学生更好地进行金融决策。
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引用次数: 0
Effects of Risk Committee on Agency Costs and Financial Performance 风险委员会对代理成本和财务业绩的影响
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080328
Abdulateif A. Almulhim, Abdullah A. Aljughaiman, Abdulaziz S. Al Naim, Abdulmohsen K. Alosaimi
This study aimed to explore the influence of risk committee characteristics on agency costs and financial performance as well as investigate whether the attributes of a risk committee moderate the association between the agency costs and financial performance of financial firms listed in the Saudi Stock Market (TASI). We primarily concentrate on six attributes of risk committees (risk committee existence, size, independence, meetings, financial expertise, and busyness) and their impact on agency costs and financial performance. This study employed the ordinary least squares (OLS) and generalized methods of moments (GMM) models to explore these relationships. Using a sample of 455 observations representing the financial corporations listed on the TASI for the period from 2010 to 2022, we found that risk committees’ existence, risk committee independence, and financial expertise have negative and significant associations with agency costs, but a positive influence on financial performance. However, risk committee size and busyness are positively related to agency costs and adversely associated with firms’ financial performance. Furthermore, we showed that agency costs influence banks’ financial performance negatively, yet risk committees oversee this risk and enhance banks’ financial performance. The findings of this study have implications for financial firms, policymakers, and regulators. Beyond making empirical contributions by investigating a relatively unexplored topic in a developing Middle Eastern economy, this analysis provides valuable insights into optimizing risk committee characteristics and structures to improve financial monitoring within the framework of Saudi Arabia. This area of research has been relatively limited compared to studies conducted in developed countries.
本研究旨在探讨风险委员会的特征对代理成本和财务绩效的影响,以及风险委员会的属性是否会缓和在沙特股票市场(TASI)上市的金融公司的代理成本和财务绩效之间的关联。我们主要关注风险委员会的六个属性(风险委员会的存在、规模、独立性、会议、财务专业知识和繁忙程度)及其对代理成本和财务绩效的影响。本研究采用普通最小二乘法(OLS)和广义矩方法(GMM)模型来探讨这些关系。通过对 2010 年至 2022 年期间在 TASI 上市的金融企业的 455 个观察样本进行分析,我们发现风险委员会的存在、风险委员会的独立性和财务专业知识与代理成本有显著的负相关关系,但对财务绩效有积极影响。然而,风险委员会的规模和繁忙程度与代理成本正相关,与公司财务绩效负相关。此外,我们还发现,代理成本对银行的财务绩效有负面影响,但风险委员会却能监督这种风险并提高银行的财务绩效。本研究的结论对金融公司、政策制定者和监管者都有启示意义。除了通过在一个发展中的中东经济体中调查一个相对未被探索的课题来做出经验上的贡献外,本分析还为优化风险委员会的特征和结构以改善沙特阿拉伯框架内的金融监管提供了宝贵的见解。与发达国家的研究相比,这一领域的研究相对有限。
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引用次数: 0
Does Audit Oversight Quality Reduce Insolvency Risk, Systematic Risk, and ROA Volatility? The Role of Institutional Ownership 审计监督质量能否降低破产风险、系统性风险和 ROA 波动性?机构所有权的作用
Q4 Business, Management and Accounting Pub Date : 2024-08-01 DOI: 10.3390/jrfm17080335
Rebecca Abraham, Hani El-Chaarani, Fitim Deari
The board of directors appoints the audit committee to assess the financial performance of the firm. The audit committee uses reports provided by audit firms, such as Form 10Ks, and annual reports to assess firm financial performance. The degree of audit oversight quality is a governance measure, which, if effective, may reduce firm risk. This study measures the effect of three measures of audit oversight quality on insolvency risk, systematic risk, and volatility of return on assets for a sample of U.S. pharmaceutical firms and energy firms from 2010 to 2022. All measures of audit oversight quality reduced firm risk, with the first measure reducing both systematic risk and volatility of return on assets, the second measure reducing systematic risk, and the third measure reducing volatility of return on assets. As institutional ownership is also a governance measure, we tested whether its joint effect with audit oversight quality reduced firm risk. This hypothesis was supported for all three measures of audit oversight quality for systematic risk and for the third audit oversight quality measure for volatility of assets. Robustness was established by replicating the regressions with an alternate governance measure, which yielded similar results. Endogeneity of all audit oversight quality measures was absent due to lack of significance of leverage, firm size, equity multiplier, and firm value in reducing risk through their effect on audit oversight quality.
董事会任命审计委员会评估公司的财务业绩。审计委员会利用审计公司提供的报告(如 10K 表)和年度报告来评估公司的财务业绩。审计监督质量的高低是一项治理措施,如果有效,可以降低公司风险。本研究以 2010 年至 2022 年的美国制药公司和能源公司为样本,衡量了审计监督质量的三个衡量标准对破产风险、系统性风险和资产回报率波动性的影响。所有审计监督质量措施都降低了公司风险,第一种措施降低了系统性风险和资产回报率波动,第二种措施降低了系统性风险,第三种措施降低了资产回报率波动。由于机构所有权也是一种治理措施,我们检验了其与审计监督质量的联合效应是否会降低公司风险。在系统性风险方面,审计监督质量的所有三个衡量标准都支持这一假设;在资产波动方面,审计监督质量的第三个衡量标准也支持这一假设。通过使用另一种治理措施进行重复回归,得出了类似的结果,从而证实了稳健性。由于杠杆率、公司规模、股本乘数和公司价值在通过影响审计监督质量来降低风险方面缺乏重要性,因此所有审计监督质量衡量标准都不存在内生性。
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引用次数: 0
Optimal Spending Strategies for Sovereign Wealth Funds Using a Discrete-Time Life Cycle Model 利用离散时间生命周期模型优化主权财富基金的支出策略
Q4 Business, Management and Accounting Pub Date : 2024-07-30 DOI: 10.3390/jrfm17080327
Knut Kristian Aase
The paper analyses optimal spending of an endowment fund. The purpose is to find a spending rule which is optimal for the owners and which secures that the fund will last “forever”. This we do by finding closed form solutions of the optimal consumption to wealth ratio. We solve this problem using the life cycle model, where the agent can have preferences represented by expected utility or recursive utility. We apply our results to a sovereign wealth fund, and demonstrate that the optimal spending rate is significantly lower than the fund’s expected real rate of return, a rule which is in common use. Employing the latter as the spending rate, implies that the fund’s value deteriorates both in probability and in expectation, as time goes. For both kinds of long term convergence we find closed form threshold values. Spending below these values secures a sustainable fund.
本文分析了捐赠基金的最优支出。目的是找到一个对所有者来说是最优的支出规则,并确保基金 "永续"。为此,我们找到了最优消费与财富比率的封闭式解。我们使用生命周期模型来解决这个问题,在这个模型中,代理人的偏好可以用预期效用或递归效用来表示。我们将结果应用于主权财富基金,并证明最优消费率明显低于基金的预期实际收益率,而这一规则已被普遍采用。采用后者作为支出率,意味着随着时间的推移,基金的价值在概率和预期上都会恶化。对于这两种长期收敛,我们都可以找到封闭形式的临界值。低于这些值的支出将确保基金的可持续发展。
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引用次数: 0
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Journal of Risk and Financial Management
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