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The Impacts of Global Factors on Islamic Stock Market Returns: Evidence From Islamic Countries 全球因素对伊斯兰股市回报率的影响:来自伊斯兰国家的证据
Pub Date : 2024-03-19 DOI: 10.14738/abr.123.16668
Norashikin Adam, N. M. Sidek, Ngau Duo Seng
This study investigates the impact of five (5) global factors, namely in this study such as global economic policy uncertainty, geopolitical risks, oil prices, volatility index, and world uncertainty index, on six (6) Islamic stock markets in Australia, Bahrain, Indonesia, Kuwait, Malaysia, and Oman. The monthly data for 13 years from 2009:M3 to 2023:M5 within a time-frequency framework. We used the GARCH model to investigate the impacts of global factors on selected Islamic stock market returns, and the EGARCH model was used to check the robustness of the results. The results provide a few interesting insights. Firstly, it is important to note that GEPU, GPR, OIL, and VIX uncertainty typically exert a significant influence on the majority of Islamic stock returns. Secondly, WUI demonstrates an important relationship in Australia, Bahrain, and Oman only following the outbreak of the COVID-19 pandemic. These results should assist investors in re-evaluating their portfolio to fully maximize the potential of these Islamic stock markets. Policymakers could use these results to design policies to reduce the global factors as well as to investigate the impacts of externally generated uncertainties.
本研究调查了五(5)个全球因素(即本研究中的全球经济政策不确定性、地缘政治风险、石油价格、波动指数和世界不确定性指数)对澳大利亚、巴林、印度尼西亚、科威特、马来西亚和阿曼六(6)个伊斯兰股票市场的影响。在时间频率框架内,采用了 2009:M3 至 2023:M5 13 年的月度数据。我们使用 GARCH 模型研究了全球因素对部分伊斯兰股市回报率的影响,并使用 EGARCH 模型检验了结果的稳健性。研究结果提供了一些有趣的启示。首先,值得注意的是,GEPU、GPR、OIL 和 VIX 不确定性通常会对大多数伊斯兰股票收益率产生重大影响。其次,WUI 仅在 COVID-19 大流行爆发后才在澳大利亚、巴林和阿曼显示出重要关系。这些结果应有助于投资者重新评估其投资组合,以充分发挥这些伊斯兰股票市场的潜力。政策制定者可以利用这些结果制定政策,以减少全球因素,并调查外部不确定性的影响。
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引用次数: 0
Analysis of the Importance and Performance of Cost Information in Pricing Decisions in Ready-to-Eat Food Retail MSE in Vitória-ES 成本信息在维多利亚-东部地区即食食品零售微型企业定价决策中的重要性和绩效分析
Pub Date : 2024-03-19 DOI: 10.14738/abr.123.16670
Miguel Carlos Ramos Dumer, Beatriz Rebuli Serpa Peçanha Souza, Viviane Nunes Tetzlaff, Francesca Nossa Guanandy, Vitor Correa Da Silva, Mark Miranda De Mendonça, Roberto Rodrigues De Souza Júnior
Currently, decision-making is the major challenge for managers in the day-to-day operations of the company. It depends on various factors to be assertive and achieve positive results. We can say that pricing has become one of the fundamental decisions to be made. With that said, this work aimed to examine the relationship between the importance attributed and the effective knowledge of cost information for decision-making in setting prices in Micro and Small Enterprise (MSE) of ready-to-eat foods in Vitória-ES, from the perspective of managers. To do this, the methodology adopted was through quantitative methods and bibliographic research, based on the daily reality of small and medium-sized enterprises. We can analyze through raw data, collected with the help of standardized tools and a specific target audience. Firstly, the work presents a brief account of the importance of micro and small retail companies of ready-to-eat foods for the economy, the importance of cost accounting in pricing, and the conceptualization of the Slack Matrix used in the analysis of the raw results obtained, followed by the methodology and interpretation of the data collected from the managers.
目前,决策是管理者在公司日常运营中面临的主要挑战。要做到果断决策并取得积极成果,取决于各种因素。可以说,定价已成为必须做出的基本决策之一。有鉴于此,本研究旨在从管理者的角度出发,研究维多利亚州即食食品微型和小型企业(MSE)在制定价格时对成本信息的重视程度与有效决策知识之间的关系。为此,我们根据中小型企业的日常实际情况,采用了定量方法和文献研究方法。我们可以通过借助标准化工具和特定目标受众收集的原始数据进行分析。首先,作品简要介绍了即食食品微型和小型零售公司对经济的重要性、成本核算在定价中的重要性,以及在分析所获原始结果时使用的 "松弛矩阵 "的概念化,随后介绍了从管理人员处收集数据的方法和解释。
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引用次数: 0
Doumou Douala Therapeutic Theorems for Modulo 3 Congruence Memory 杜莫-杜阿拉:模 3 协整记忆的治疗定理
Pub Date : 2024-03-13 DOI: 10.14738/abr.123.16607
Doumou Douala Mouteng Charles Valentin Junior
Three mathematical theorems invented by Doumou in the medical field, aimed at curing and relieving people. Its proposition can be demonstrated by logical reasoning based on established facts or justifiable hypotheses, which is of crucial importance in the treatment of illnesses, aiming to cure them. This theorem enables the individual to find a perfect fit, a harmony between his thoughts, feelings, words and actions.
杜牧在医学领域发明的三个数学定理,旨在治病救人。它的命题可以通过基于既定事实或合理假设的逻辑推理来证明,这对治疗疾病至关重要,目的是治愈疾病。这一定理使个人能够在思想、情感、言语和行动之间找到完美的契合点、和谐点。
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引用次数: 0
Stock Prices and Exchange Rates under Monetary Policy Changes: The Cases of Japan and the US 货币政策变化下的股票价格和汇率:日本和美国的案例
Pub Date : 2024-02-29 DOI: 10.14738/abr.122.16558
Yutaka Kurihara, Shinichiro Maeda, Akio Fukushima
This study examines exchange rates and stock prices in the context of US and Japanese monetary policy shifts. Also, the effects of announcements made by the monetary authorities are examined. The empirical results show that US stock prices have positive impacts on Japanese stock prices. As predicted, there is a negative correlation between Japanese interest rates and stock prices. Depreciation of the Japanese yen leads to rising stock prices. Although the Bank of Japan's announcement of “positive” news that the end of quantitative easing is expected to cause stock prices to decline, they instead increased. In the case of the US, however, appreciation of the US dollar promotes rising stock prices. This result is the opposite of the Japanese case. It may be concluded that there exists good communication between the monetary authorities and the markets, and that the news causes no unexpected effects or confusion on the financial markets.
本研究考察了美国和日本货币政策转变背景下的汇率和股票价格。此外,还研究了货币当局发布公告的影响。实证结果显示,美国股票价格对日本股票价格有积极影响。正如预测的那样,日本利率与股票价格之间存在负相关关系。日元贬值导致股票价格上升。尽管日本央行宣布结束量化宽松政策的 "利好 "消息预计会导致股价下跌,但股价反而上涨。然而,就美国而言,美元升值促进了股票价格的上涨。这一结果与日本的情况正好相反。由此可以得出结论,货币当局与市场之间存在着良好的沟通,该消息不会对金融市场造成意想不到的影响或混乱。
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引用次数: 0
Fiscal Decentralization, Good Governance and Local Economic Development in councils in Ngoketunjia Division, Cameroon 喀麦隆恩戈凯顿贾省议会的财政权力下放、善治和地方经济发展
Pub Date : 2024-02-20 DOI: 10.14738/abr.122.16357
Munjah Vitalis Fagha
Abstract Dissatisfaction about the form of the state in Cameroon led to the putting in place of law No. 2019/024 of December 2019 instituting the General Code of Regional and Local Authorities, envisioned to improve local governance and impact local economic development. This, it was hoped will limit the interference of the central government in the management of regional and local affairs. Contrary to this theoretical supposition, there is still apparent strong centralization of financial powers by the central government in Cameroon. The rapport between the central government and the lower levels of government is rather that of command and obey relationship. Consequently, fiscal decentralization that is likely to promote good governance and engender local economic development at both regional and local levels appears to be rather an instrument of control for the central government, raising a concern as to the link existing between fiscal decentralization, good governance and local economic development in councils in Ngoketunjia Division. Employing largely a quantitative approach and within the prism of survey research design, guided by the efficiency theory of local government, findings revealed that fiscal decentralization, good governance and the transfer of revenue assignments and expenditure responsibilities following the enactment of the decentralization code on local economic development in councils in Ngoketunjia division has achieved little local economic development, established statistically by a calculated chi square value which stood at 152.14 as opposed to table value 26.217, leading to the rejection of the alternative hypothesis while the null hypothesis was accepted. It was discovered again that, there is no significant link between fiscal decentralization, good governance and local economic development in Councils in Ngoketunjia Division, shown in the computation of chi square test that stood at 130.8, disparate to table value of 26.217. The outcome was the rejection of the alternative hypotheses and acceptance of the null hypothesis. The paper concludes that, in Cameroon and particularly in the councils in Ngoketunjia division, there is tight de-concentration power rather than fiscal decentralization and good governance, suggesting that, the impact of fiscal decentralization and good governance on local economic development in councils in Ngoketunjia division is simply an ideological construct yearning for effective implementation. Keywords: Fiscal Decentralisation, Good Governance, Local Economic Development, Decentralisation, Local Government
摘要 对喀麦隆国家形式的不满导致了2019年12月第2019/024号法律的出台,该法律制定了《大区和地方当局总法典》,旨在改善地方治理并影响地方经济发展。人们希望这将限制中央政府对地区和地方事务管理的干预。与这一理论假设相反,喀麦隆中央政府的财政权力仍明显高度集中。中央政府与下级政府之间的关系是命令与服从的关系。因此,有可能在地区和地方层面上促进善治和地方经济发展的财政权力下放似乎成了中央政府的控制工具,从而引发了对恩哥凯通贾省议会中财政权力下放、善治和地方经济发展之间存在的联系的担忧。在地方政府效率理论的指导下,主要采用定量方法,在调查研究设计的棱镜下,研究结果表明,在颁布关于恩戈凯顿贾省议会地方经济发展的权力下放法规之后,财政权力下放、良好治理以及收入分配和支出责任的转移几乎没有实现地方经济发展,从统计上看,计算的奇平方值为 152.14,而表中的值为 26.217,这导致否定了备择假设,而接受了零假设。研究再次发现,恩戈凯屯佳省议会的财政权力下放、善治和地方经济发展之间没有显著联系,计算的卡方检验值为 130.8,与表格值 26.217 相差悬殊。结果是否定了备择假设,接受了零假设。本文的结论是,在喀麦隆,特别是在恩戈凯通贾分区的议会中,存在着严格的权力下放,而不是财政分权和良好治理,这表明,财政分权和良好治理对恩戈凯通贾分区议会地方经济发展的影响仅仅是一种渴望有效实施的意识形态建构。关键词财政权力下放、善治、地方经济发展、权力下放、地方政府
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引用次数: 0
Individual Characteristic and Organizational Influence on Employee Performance at Rural Bank PT. Prisma Dana Main Branch Manado 农村银行 PT.万鸦老 Prisma Dana 总分行
Pub Date : 2024-02-20 DOI: 10.14738/abr.122.16359
G. Lumintang, Maria V. J. Tielung, Mc Donald B. Walangitan
This study aims to examine the effect of individual characteristics variables and organizational characteristics variables on the performance of employees of PT. Prisma Dana Main Branch Manado. The stages of research methods in this study used quantitative research methods, where this is a scientific method to obtain valid data with the aim of discovering, proving and developing knowledge so that it can be used to understand, solve and anticipate problems in a particular field. In terms of type, this research is an explanatory research that explains the relationship between research variables, then determines the entire population of 32 which is used as a sample. The research design used is a type of survey research. The results showed that partially individual characteristics and organizational characteristics had a positive and significant effect on the performance of employees at PT. Prisma Dana Main Branch Manado and simultaneously, individual characteristics and organizational characteristics had a significant positive effect on the performance of employees of PT. Prisma Dana Main Branch Manado.
本研究旨在探讨个人特征变量和组织特征变量对 PT.Prisma Dana 总公司万鸦老分部员工绩效的影响。本研究的研究方法阶段采用定量研究方法,这是一种获取有效数据的科学方法,目的是发现、证明和发展知识,以便用于理解、解决和预测特定领域的问题。从类型上看,本研究属于解释性研究,先解释研究变量之间的关系,然后确定作为样本的全部 32 人。采用的研究设计属于调查研究类型。结果显示,部分个人特征和组织特征对 PT.Prisma Dana 马纳多总分行的员工绩效产生了积极而显著的影响,同时,个人特征和组织特征对 PT.Prisma Dana 总分公司万鸦老分行的员工绩效产生了明显的积极影响。
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引用次数: 0
Multivariate Analysis of CO2 Emissions by Energy Generation in IEA Member Countries 国际能源机构成员国按发电量分列的二氧化碳排放量的多元分析
Pub Date : 2024-02-20 DOI: 10.14738/abr.122.16498
Daiane Santos, Tuany Esthefany Barcellos de Carvalho Silva, Reinaldo Souza Castro
The concentration of carbon dioxide (), the main catalyst for global warming, reached an average of 414.7 parts per million in 2021 and 2.3 ppm more than in 2020. This concentration of  is the highest recorded in at least 800,000 years, according to the International Energy Agency. The increase in the concentration of  is a growing concern in the scientific community and environmental organizations since the increase in global temperature resulting from this phenomenon can lead to serious and irreversible effects. This topic has gained space in global analyse and has become increasingly recurrent. This research aimed to deal with and analysed essential points in this discussion. With the study, it was possible to point out evidence that Brazil is a country that has been significantly reducing its  emissions, being in the cluster along with IEA member countries that least issue . With this article, it was possible to point out similar characteristics between the  emissions of the countries, making it possible to highlight three latent variables: countries that have a constant tall or low trend in emissions, Grouping of countries that showed an upward trend at the beginning of the analysed period, but with a significant reduction over time,  and countries that have had more discrepant behaviour from the others, these being the countries that have a structural breakdown in their time series of  emissions by power generation.
作为全球变暖的主要催化剂,二氧化碳()的浓度在 2021 年平均达到百万分之 414.7,比 2020 年高出百万分之 2.3。根据国际能源机构的数据,这一浓度是至少 80 万年来的最高记录。由于这一现象导致的全球气温升高可能会造成严重的、不可逆转的影响,因此 "臭氧浓度 "的增加日益受到科学界和环保组织的关注。这一话题在全球分析中占据了一席之地,而且越来越频繁地出现。本研究旨在讨论和分析这一讨论的要点。通过这项研究,可以指出巴西是一个一直在大幅减少排放的国家,与国际能源机构(IEA)成员国一起成为排放最少的国家。通过这篇文章,我们可以指出各国排放量之间的相似特征,从而可以突出三个潜在变量:排放量始终保持较高或较低趋势的国家;在分析期开始时呈上升趋势,但随着时间的推移排放量大幅减少的国家;以及与其他国家的行为差异较大的国家,即按发电量计算的排放量时间序列中存在结构性细分的国家。
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引用次数: 0
Future Prospects of the Human Familial Frame 人类家庭框架的未来展望
Pub Date : 2024-02-10 DOI: 10.14738/abr.121.16238
Michael Gurevitz
Families composed of a male and a female that breed and jointly raise children is the consensual living frame of human societies during thousands of years. However, there are other frames among mammals, that enable breeding and multiplication without preservation of a familial unit. For example, males that fertilize females and do not participate in raising the newborns (e.g., hyenas, leopards, certain humans), or males having a few females and raising a larger number of children (the Arabic tradition), or on a broader scale in the animal kingdom, males that fertilize eggs outside of the female body (e.g., various fish species among vertebrates and many invertebrate species) without any considerable responsibility thereafter. Although females raise instinctively their offspring׳s among most animals, we witness in recent years different human versions of familial frames, such as two males, who either adopt children, or provide sperm to an anonymous woman that is paid for her pregnancy and birth of a child handled to the sperm contributor. Likewise are familial frames of two women, in which one gets pregnant from a sperm contribution, and after birth, both raise the child. These new trends show how deviation from the traditional familial frame may enable women to give birth and raise children without the involvement of males, as well as lead to ‘in vitro-fertilization’ and ‘production’ of ‘tube-babies’ (outside of the female uterus). Further attempts to control the required gender (e.g., preference of males in China), or even specific traits (e.g., blond hair, blue eyes) using genetic engineering techniques, might replace the customary familial frame.
由一男一女组成的家庭共同繁衍后代,是人类社会数千年来共同认可的生活模式。然而,哺乳动物中也有其他的生活方式,可以在不保留家庭单位的情况下进行繁殖和增殖。例如,雄性让雌性受精而不参与抚养新生儿(如鬣狗、豹、某些人类),或者雄性拥有少数雌性而抚养更多的孩子(阿拉伯传统),或者在动物界更广泛的范围内,雄性让雌性体外的卵子受精(如脊椎动物中的各种鱼类和许多无脊椎动物),此后不承担任何相当大的责任。虽然大多数动物都是由雌性本能地抚养后代׳,但近年来我们看到了不同的人类版本的家庭框架,比如两个雄性领养孩子,或者向匿名女性提供精子,而女性怀孕生子后,精子捐献者可以获得报酬。同样,在两个女人的家庭框架中,一个女人因精子捐献而怀孕,孩子出生后,两个女人共同抚养孩子。这些新趋势表明,偏离传统家庭框架可能会使妇女在没有男性参与的情况下生育和抚养子女,并导致 "体外受精 "和 "生产"(女性子宫外的)"试管婴儿"。利用基因工程技术控制所需性别(如中国的重男轻女现象),甚至控制特定特征(如金发碧眼)的进一步尝试,可能会取代传统的家庭框架。
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引用次数: 0
Determinants of Customers' Continuance Intention to Use Chatbots in e-Commerce 客户在电子商务中继续使用聊天机器人意向的决定因素
Pub Date : 2024-02-10 DOI: 10.14738/abr.121.16362
Huy Tran Quang
Artificial intelligence (AI) has revolutionized the e-commerce experience and opened up new ways for businesses to communicate with customers through chatbots. This study aims to investigate how factors of chatbots influence continuance intention in e-commerce. A quantitative approach was adopted to explore the impact of interactivity, compatibility, information quality, service quality on perceived usefulness, perceived enjoyment of chatbots. It also aims to explore the determinants of continuance intention in chatbot use. Empirical data is collected from 476 participants through an online survey using Google Form and analyzed using regression analysis by IBM SPSS software. The results of the study show that compatibility, information quality, service quality positively affect perceived usefulness and perceived enjoyment of chatbot. Perceived usefulness and perceived enjoyment are found to have significant influence on continuance intention. The study contributes to the literature of consumer behavior regarding technology adoption. It also contributes to the refinement of the TAM and presents practical insights to managers, chatbot designers, and customer service units in improving chatbots and enhancing continuance intention.
人工智能(AI)彻底改变了电子商务体验,为企业通过聊天机器人与客户沟通开辟了新途径。本研究旨在探讨聊天机器人因素如何影响电子商务中的持续意向。本研究采用定量方法探讨了聊天机器人的互动性、兼容性、信息质量、服务质量对感知有用性和感知愉快度的影响。本研究还旨在探索继续使用聊天机器人意向的决定因素。本研究通过谷歌表单在线调查收集了 476 名参与者的经验数据,并使用 IBM SPSS 软件进行回归分析。研究结果表明,兼容性、信息质量和服务质量会对聊天机器人的感知有用性和感知愉快度产生积极影响。感知有用性和感知乐趣对持续意向有显著影响。本研究为有关技术采用的消费者行为文献做出了贡献。它还有助于完善 TAM,并为管理者、聊天机器人设计者和客户服务部门改进聊天机器人和增强持续意向提供了实用的见解。
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引用次数: 0
Gender Difference on Internal Equity: Evidence From the Hospitality Industry in Ghana 内部公平的性别差异:来自加纳酒店业的证据
Pub Date : 2024-02-10 DOI: 10.14738/abr.121.16312
Patricia Peprah, Williams Kwasi Peprah
It is a hypothetical position that employees in the hospitality industry in Ghana experience salary disparities based on the gender of the employee. Pay disparities exist because of unconscious biases in areas such as hiring, promotions, performance reviews, and salary decisions. In ensuring equal pay for equal work to fulfill the International Labor Organization (ILO) convention, this study investigated the internal equity pay of the employees in Ghana's hospitality industry based on equal work. This quantitative association study adopted a self-constructed research instrument to measure internal equity pay and randomly selected 350 respondents in the hospitality industry in Ghana to answer the research questionnaires. The respondents were made up of 160(46%) males and 190(54%) females. In looking for the significant difference of gender as related to internal equity pay of the employees in Ghana with a T'Test analysis, the study revealed that, indeed, there was a significant difference in the salary payment of the employees in Ghana. The males were paid more than the females for equal work. Therefore, the study rejected the null hypothesis that there is no significant difference in internal equity pay based on the gender of the employees in the hospitality industry in Ghana. To ensure equal pay for equal work, the management and shareholders of hospitality firms in Ghana are recommended to seek knowledge of the legal requirement of this principle in the Ghana Labor Law and also become compliant with the ILO convention. Furthermore, a conscious effort must be made to ensure equal pay for equal jobs.
加纳酒店业的员工因其性别而存在薪酬差异,这是一种假设。薪酬差异的存在是因为在招聘、晋升、绩效考核和薪酬决定等方面存在无意识的偏见。为确保同工同酬,履行国际劳工组织(ILO)公约,本研究调查了加纳酒店业员工基于同等工作的内部公平薪酬。这项定量关联研究采用了自制的研究工具来衡量内部公平薪酬,并随机选取了加纳酒店业的 350 名受访者回答研究问卷。受访者中有 160 名男性(46%)和 190 名女性(54%)。通过 T'Test 分析,研究发现加纳员工在内部公平薪酬方面存在显著的性别差异。同工不同酬,男性的薪酬高于女性。因此,研究否定了 "加纳酒店业内部公平薪酬不存在基于员工性别的显著差异 "的零假设。为确保同工同酬,建议加纳酒店业公司的管理层和股东了解《加纳劳动法》中关于这一原则的法律要求,并遵守国际劳工组织公约。此外,必须有意识地努力确保同工同酬。
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引用次数: 0
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Archives of business research
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