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Machine Learning Empowered Insights into Rental Market Behavior 机器学习助力洞察租赁市场行为
Pub Date : 2024-04-23 DOI: 10.32996/jefas.2024.6.2.11
F. Covaci
The aim of the current study is to determine which models are most suited for forecasting a property's rental price given a variety of provided characteristics and to develop a predictive model using machine learning techniques to estimate the rental prices of apartments in Cluj-Napoca, Romania, in relation to market dynamics. Given the absence of a comprehensive dataset tailored for this specific purpose, a primary focus was placed on data acquisition, cleaning, and transformation processes. By leveraging this dataset, the model aims to provide accurate predictions of fair rental prices within the Cluj-Napoca real estate market. Additionally, the research explores the factors influencing rental prices and evaluates the model's performance against real-world data to assess its practical utility and effectiveness in aiding rental market stakeholders.
当前研究的目的是确定哪些模型最适合根据所提供的各种特征预测房产的租金价格,并利用机器学习技术开发一个预测模型,以根据市场动态估算罗马尼亚克卢日-纳波卡公寓的租金价格。由于缺乏专门为此目的定制的综合数据集,因此主要重点放在数据采集、清理和转换过程上。通过利用该数据集,该模型旨在准确预测克卢日-纳波卡房地产市场的合理租金价格。此外,研究还探讨了影响租金价格的因素,并根据实际数据评估了模型的性能,以评估其在帮助租赁市场利益相关者方面的实用性和有效性。
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引用次数: 0
The Impact of Money Supply, Interest Rate and Inflation Rate on Economic Growth: A Case of Morocco 货币供应量、利率和通货膨胀率对经济增长的影响:摩洛哥案例
Pub Date : 2024-04-17 DOI: 10.32996/jefas.2024.6.2.10
Mohammed El-Khodary
The purpose of our study is to examine the impact of money supply, interest rate and inflation rate on the economic growth in Morocco from 1990 to 2020. This research empirically analyzes how the key monetary settings interact and influence Morocco's Gross Domestic Product, using annual data on money supply, interest rates, and inflation sourced from the Moroccan Central Bank and the World Bank development Indicators. To explore the complex interactions and causal effects of the selected macroeconomic indicator on economic growth, we have employed a quantitative analysis based on the Vector Autoregression (VAR) model and cointegration, implemented using the R programming language. The main findings reveal that money supply significantly boosts economic growth, while interest rates have negative effects. Moreover, inflation positively influences short-term economic growth. These insights enhance understanding of the role that monetary policy plays in promoting economic development. This research enriches the academic literature by addressing a gap concerning Morocco’s economic dynamics and guiding policymakers to develop more effective monetary strategies.
我们的研究旨在探讨 1990 至 2020 年间货币供应量、利率和通货膨胀率对摩洛哥经济增长的影响。本研究利用来自摩洛哥中央银行和世界银行发展指标的货币供应量、利率和通货膨胀率年度数据,实证分析了主要货币环境如何相互作用并影响摩洛哥的国内生产总值。为了探索选定的宏观经济指标对经济增长的复杂相互作用和因果效应,我们采用了基于向量自回归(VAR)模型和协整的定量分析,并使用 R 编程语言实现。主要研究结果表明,货币供应量能显著促进经济增长,而利率则会产生负面影响。此外,通货膨胀对短期经济增长有积极影响。这些见解加深了人们对货币政策在促进经济发展方面所起作用的理解。这项研究填补了摩洛哥经济动态方面的空白,为决策者制定更有效的货币战略提供了指导,从而丰富了学术文献。
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引用次数: 0
Ethical Considerations in AI-driven Dynamic Pricing in the USA: Balancing Profit Maximization with Consumer Fairness and Transparency 美国人工智能动态定价的道德考量:在利润最大化与消费者公平性和透明度之间取得平衡
Pub Date : 2024-04-11 DOI: 10.32996/jefas.2024.6.2.8
Md Sumon Gazi, N. Gurung, Anik Mitra, Md Rokibul Hasan
Organizations in the USA are progressively employing AI-driven dynamic pricing as a strategic intervention to flexibly modify their prices based on competition, market demand, and various other factors. This research paper focused on the ethical dimensions of AI-driven dynamic pricing and the crucial interplay between profitability and the establishment of unwavering consumer transparency and fairness. The recommended models for dynamic pricing solutions entailed ensemble learning methods, notably, XG-Boost, Light-GBM, Cat-Boost, and X-NGBoost models. Particularly, the proposed model consolidated the XG-Boost algorithm and the NG-Boost model, resulting in a novel methodology termed the X-NGBoost. To compare and contrast the performance of the proposed models, these algorithms were trained and subjected to the same dataset. The comparison between the models was mainly grounded on the root-mean-square error (RMSE) metric, which was quantified in meters. The results indicated that X-NGBoost had the lowest RMSE on both the testing and training sets, at 4.23 and 5.34 respectively. This indicated that X-NGBoost performed very well on both seen and unseen data. Therefore, from the outcomes it was deduced that, for the provided data set, the X-NGBoost model provided the accurate pricing solution.
美国的企业正逐步采用人工智能驱动的动态定价作为一种战略干预手段,根据竞争、市场需求和其他各种因素灵活调整价格。本研究论文的重点是人工智能驱动的动态定价的道德层面,以及盈利能力与建立坚定的消费者透明度和公平性之间的重要相互作用。推荐的动态定价解决方案模型包含集合学习方法,特别是 XG-Boost、Light-GBM、Cat-Boost 和 X-NGBoost 模型。特别是,所提出的模型综合了 XG-Boost 算法和 NG-Boost 模型,形成了一种称为 X-NGBoost 的新方法。为了比较和对比所提模型的性能,对这些算法进行了训练,并对相同的数据集进行了测试。模型之间的比较主要基于均方根误差(RMSE)指标,该指标以米为单位进行量化。结果表明,X-NGBoost 在测试集和训练集上的 RMSE 最低,分别为 4.23 和 5.34。这表明,X-NGBoost 在可见和未知数据上的表现都非常出色。因此,从结果中可以推断出,对于所提供的数据集,X-NGBoost 模型提供了准确的定价解决方案。
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引用次数: 0
High-end Customers Loyalty among Selected Public and Private Banks in Yantai City, Shandong Province, China: A Service Marketing Guide for Financial Institutions 中国山东省烟台市部分上市银行和民营银行的高端客户忠诚度:金融机构服务营销指南
Pub Date : 2024-04-11 DOI: 10.32996/jefas.2024.6.2.9
Yuxue Wang
The ultimate goal of studying high-end customer loyalty is to identify their shortcomings in customer maintenance and provide appropriate service marketing guidelines for public and private banks. This study selected the high-end customer groups of Agricultural Bank of China and Hengfeng Bank as specific research objects and collected a total of 380 data for mean, standard deviation, and correlation analysis. Through statistical analysis of data, it was found that high-end customers have varying degrees of perception towards service quality, perceived value, and customer satisfaction. There is a positive correlation between potential factors of customer loyalty and various dimensions to varying degrees. In order to improve the correlation between variables, this study provides relevant suggestions for public and private banks from three aspects: service quality, perceived value, and customer satisfaction, guiding them to maintain and improve the loyalty of high-end customers to financial institutions.
研究高端客户忠诚度的最终目的是找出其在客户维护方面的不足,为公、民营银行提供相应的服务营销指引。本研究选取了中国农业银行和恒丰银行的高端客户群体作为具体研究对象,共收集了 380 个数据进行均值、标准差和相关性分析。通过数据统计分析发现,高端客户对服务质量、感知价值和客户满意度的感知程度各不相同。顾客忠诚度的潜在因素与各维度之间存在不同程度的正相关。为了改善变量之间的相关性,本研究从服务质量、感知价值和客户满意度三个方面为公共银行和私人银行提供了相关建议,指导其维护和提高高端客户对金融机构的忠诚度。
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引用次数: 0
Comparison of the Effects of Financial Literacy on the Financial Behavior of Civil Servants and Private Employees at Millennial Age 金融知识对千禧一代公务员和私人雇员金融行为影响的比较
Pub Date : 2024-03-29 DOI: 10.32996/jefas.2024.6.2.6
Tri Sulastri, Rilla Gantino
This study aims to determine the effect of financial literacy on materialism, compulsive buying, indebtedness, and saving behavior. In addition, it determines the influence of materialism on compulsive buying and indebtedness, as well as compulsive buying on indebtedness among civil servants and private employees in the Jakarta area, especially those of millennial age. Data collection was carried out online using a Likert scale. The population in this study was composed of private employees and civil servants working in the Jakarta area, with a total of 538 respondents. The research method used is quantitative research with SEM-Lisrel analysis. The results of this study show that high financial literacy (FL) is not able to reduce the level of indebtedness (I) among civil servants and private employees. High materialism (M) correlated with increased levels of indebtedness (I) in both groups of workers. High compulsive buying (CB) only has the effect of increasing indebtedness (I) in civil servants but does not apply to private employees. High materialism (M) encourages an increase in the rate of compulsive buying (CB) in civil servants but not in private employees. Furthermore, it was found that high financial literacy (FL) has the potential to reduce materialism (M) in civil servants but does not apply to private employees. Meanwhile, high financial literacy (FL) also has a positive impact on reducing compulsive buying (CB) behavior in civil servants and private employees. However, financial literacy (FL) does not have a positive influence on saving behavior (SB) among civil servants and private employees. Furthermore, in terms of comparison between private employees and civil servants, this study shows that private employees tend to have higher levels of materialism and compulsive buying compared to civil servants. However, there were no significant differences in levels of financial literacy, indebtedness, or saving behavior between the two groups. The findings mean that efforts to improve financial literacy and reduce debt levels could be undertaken with similar approaches for both groups.
本研究旨在确定金融知识对物质主义、强迫性购买、负债和储蓄行为的影响。此外,研究还确定了物质主义对雅加达地区公务员和私人雇员,尤其是千禧年年龄段的公务员和私人雇员的强迫性购买和负债的影响,以及强迫性购买对负债的影响。数据收集采用李克特量表在线进行。研究对象包括在雅加达地区工作的私人雇员和公务员,共有 538 名受访者。采用的研究方法是 SEM-Lisrel 分析定量研究。研究结果表明,高金融素养(FL)并不能降低公务员和私人雇员的负债水平(I)。高物质主义(M)与两组工人负债水平(I)的增加相关。高强迫性购买(CB)只会增加公务员的负债(I),但不适用于私人雇员。高物质主义(M)会提高公务员的强迫性购买(CB)率,但不会提高私人雇员的强迫性购买率。此外,研究还发现,高金融素养(FL)有可能降低公务员的物质主义(M),但不适用于私人雇员。同时,高金融素养(FL)对减少公务员和私人雇员的强迫性购买行为(CB)也有积极影响。但是,金融素养(FL)对公务员和私人雇员的储蓄行为(SB)没有积极影响。此外,在私人雇员和公务员之间的比较方面,本研究显示,私人雇员的物质主义和强迫性购买水平往往高于公务员。然而,两个群体在金融知识水平、负债率和储蓄行为方面并无明显差异。研究结果表明,两个群体可以采用类似的方法来提高金融知识水平和降低债务水平。
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引用次数: 0
Responsibility Accounting and its Tole in Evaluating Performance at Administrative Levels: Applied Research in Sudanese Universities 责任会计及其在行政级别绩效评估中的作用:苏丹大学的应用研究
Pub Date : 2024-03-28 DOI: 10.32996/jefas.2024.6.2.2.5
Dr. Adiba Abdelbage, Lecturer Mohammed Saad, Dr. Fatima Ahmed, Alhadi Ahmed
The research aims to identify the responsibility of accounting and its role in evaluating the performance efficiency of the different administrative levels, which helps to guide the management decisions towards the treatment of deviations. The research was based on the premise that "the use of responsibility accounting system leads to the performance evaluation in Institutes of Technical Education Commission", where the commission includes (44) foundations from which there are (27) technical institutes in various managerial, technological and medical competencies. And its ability to achieve the strategic objectives and their suitability as a fundamental means to achieve the desired objectives, which aims to provide management with feedback information about the effectiveness of the departments (responsibility centres), it was reached a set of findings and recommendations compared with the system used in the institutes of commission (governmental accounting). Its most important is the excellent structure, an effective system of periodic reports (performance reports and control reports) and a good incentive system.
研究旨在确定会计责任及其在评估不同行政级别绩效效率方面的作用,这有助于指导管理层做出处理偏差的决策。研究的前提是 "责任会计制度的使用会导致技术教育委员会各机构的绩效评估",该委员会包括(44 个)基金会,其中有(27 个)技术学院,涉及各种管理、技术和医疗能力。其实现战略目标的能力及其作为实现预期目标的基本手段的适用性,旨在为管理层提供有关各部门(责任中心)有效性的反馈信息,与委员会(政府会计)研究所使用的系统相比,得出了一系列结论和建议。其中最重要的是出色的结构、有效的定期报告制度(绩效报告和控制报告)以及良好的激 励制度。
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引用次数: 0
Board Size, Board Independence, Board Expertise and the Financial Performance of Listed Manufacturing Firms in Ghana: Does Board Commitment Play a Role? 加纳制造业上市公司的董事会规模、董事会独立性、董事会专业知识与财务绩效:董事会承诺是否起作用?
Pub Date : 2024-03-27 DOI: 10.32996/jefas.2024.6.2.5
Samuel Aidoo, Eric Nombare, Jacob Yeboah Boamah
This study focused on examining how board size, board independence, and board expertise relate to the financial performance of manufacturing companies listed on the Ghana Stock Exchange, considering the moderating role of board commitment. The study population had to do with the listed manufacturing firms in Ghana. This study employed a quantitative research method along with a causal research design. Secondary data (panel) were gathered from the annual financial reports of seven listed manufacturing companies from 2010 to 2022. It was discovered that board size has an insignificant effect on the financial performance (return on asset and return on equity) of listed manufacturing companies in Ghana. Board independence and expertise positively and significantly affect the financial performance of listed manufacturing firms in Ghana. This study found a positive but insignificant moderating effect of board commitment on board size and return on asset nexus. However, board commitment positively and significantly affects board independence and return on asset nexus, board expertise and return on asset nexus, board size and return on equity nexus, board independence and return on equity nexus, and board expertise and return on equity nexus. This study is the first to examine the moderating effect of board commitment on how board size, independence, and expertise relate to the financial performance of listed manufacturing companies. Aligned with the findings, we recommend that the management of listed manufacturing companies implement effective measures to improve the independence, expertise, and commitment of the board of directors.
本研究重点探讨了董事会规模、董事会独立性和董事会专业知识与加纳证券交易所上市的制造业公司财务业绩之间的关系,同时考虑了董事会承诺的调节作用。研究对象是在加纳上市的制造业公司。本研究采用了定量研究方法和因果研究设计。二级数据(面板数据)来自七家制造业上市公司 2010 年至 2022 年的年度财务报告。研究发现,董事会规模对加纳制造业上市公司的财务业绩(资产回报率和股本回报率)影响不大。董事会的独立性和专业知识对加纳制造业上市公司的财务业绩有积极而重大的影响。本研究发现,董事会承诺对董事会规模和资产回报率之间的关系有积极但不明显的调节作用。然而,董事会承诺对董事会独立性与资产回报率关系、董事会专业知识与资产回报率关系、董事会规模与股本回报率关系、董事会独立性与股本回报率关系以及董事会专业知识与股本回报率关系均有积极而显著的影响。本研究首次考察了董事会承诺对董事会规模、独立性和专业性与制造业上市公司财务绩效关系的调节作用。根据研究结果,我们建议制造业上市公司管理层采取有效措施,提高董事会的独立性、专业性和承诺。
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引用次数: 0
A Comparative Study and Analysis of the History and Recent Development of Real Estate in Hong Kong and the Mainland 香港与内地房地产历史及近期发展的比较研究与分析
Pub Date : 2024-03-11 DOI: 10.32996/jefas.2024.6.2.4
Jingyi Li
Since the resumption of customs between Hong Kong and the Mainland, exchanges between the two places have become increasingly close. With the stabilisation of connectivity between the two places and the recovery of the Mainland economy, the transaction volume of Hong Kong's real estate market has been rising. This paper compares and analyzes the real estate development in Hong Kong and the mainland, on the one hand, analyzes the real estate development history of the two places, in particular, focuses on the impact of key historical events and policies on Hong Kong's real estate, and on the other hand, compares the development status of real estate in the two places in recent years, so as to understand the characteristics and development trends of the real estate markets in the two places, and provides reference for policy formulation and investment decision-making in the context of the close connection between the real estate in the two places after the reopening of the border. At the same time, it looks forward to the development trend of real estate in Hong Kong and mainland China, predicts possible challenges and opportunities, and puts forward reasonable policy suggestions and coping strategies. The results of the study show that the development of real estate in the Mainland is more affected by the political environment and is different from that of Hong Kong in terms of economy, policy and society; the lack of land supply has become an inevitable trend in both places, and it is necessary to solve the problem in a multi-faceted manner.
自香港與內地復關以來,兩地交流日益密切。随着两地互联互通的稳定和内地经济的复苏,香港房地产市场的交易量不断上升。本文对香港和内地的房地产发展进行了比较和分析,一方面分析了两地房地产的发展历程,特别是重点分析了重要历史事件和政策对香港房地产的影响,另一方面比较了近年来两地房地产的发展状况、從而了解兩地房地產市場的特點和發展趨勢,為兩地房地產在重新開放後緊密聯繫的情況下制訂政策和投資決策提供參考。同时,展望香港与内地房地产的发展趋势,预测可能面临的挑战和机遇,提出合理的政策建议和应对策略。研究结果表明,内地房地产的发展受政治环境影响较大,在经济、政策、社会等方面与香港不同;土地供应不足已成为两地发展的必然趋势,需要从多方面入手解决问题。
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引用次数: 0
Financial Relations between Hong Kong and the Mainland 香港与内地的金融关系
Pub Date : 2024-03-07 DOI: 10.32996/jefas.2024.6.2.3
Jia Hu
The financial crisis caused by the subprime mortgage crisis in the United States in 2006 has deeply plunged many Western capitalist countries into multiple political, economic and social crises. This has forced many financial institutions in developed countries to redistribute their assets to strengthen the stability of financial institutions, forcing many Europeans and Americans to return funds to their own countries. As a result, the domestic currency depreciated, and the economic growth slowed down or even went into recession. As an emerging economy, China has been faced with both opportunities and challenges. The financial market has long been regarded as the "barometer" of the national economy, so the deepening relationship, such as the research and cooperation between the financial markets in Hong Kong and the Mainland, can certainly improve the international financial status of both sides. It also promotes the process of building a fair, orderly and inclusive new international order. This paper systematically introduces the political and financial relations between Hong Kong and the Mainland, focusing on the relationships between Shanghai-Hong Kong and Guangdong-Hong Kong financial centers and advocating some suggestions on how to balance the relationship between the three financial centers while speeding up the construction of the national financial center. Using a variety of financial theories and statistics of Hang Seng AH Share Premium Index and Centaline City Leading Index, etc., this paper reaches the conclusion that the financial relationships between the Mainland and Hong Kong have always been close, while the differences between the two markets are more pronounced, steps can definitely be taken to benefit both of them (Zhu, 2013).
2006 年美国次贷危机引发的金融危机,使许多西方资本主义国家深陷政治、经济和社会多重危机。这迫使发达国家的许多金融机构重新分配资产,以加强金融机构的稳定性,迫使许多欧美人将资金退回本国。因此,本币贬值,经济增长放缓,甚至陷入衰退。中国作为新兴经济体,机遇与挑战并存。一直以来,金融市场被视为国民经济的 "晴雨表",香港与内地金融市场的研究与合作等关系的深化,必将提升双方的国际金融地位。这也推动了建立公平、有序、包容的国际新秩序的进程。本文系统介绍了香港与内地的政治和金融关系,重点探讨了沪港和粤港金融中心的关系,并就如何在加快建设国家金融中心的同时平衡三大金融中心的关系提出了一些建议。本文运用多种金融理论和恒生AH股溢价指数、中原城市领先指数等统计数据,得出了内地与香港的金融关系一直密切,而两个市场的差异较为明显,一定可以采取对双方都有利的措施的结论(朱颖,2013)。
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引用次数: 0
Improving the Quality of the External Audit and Their Role in the Audit Committees 提高外部审计质量及其在审计委员会中的作用
Pub Date : 2024-03-06 DOI: 10.32996/jefas.2024.6.2.2
Adiba Abdelbage Mohammed Saad, Fatima Ahmed Alhadi Ahmed
The study reviews committees and their role in improving the external audit quality through examining a case study of Sudanese banks. The study problem can be formulated from the following questions: Is there a relation between the independence of the audit committees and the quality of the external audit process? The impact of the expertise and knowledge of the members of the review committees in improving the quality of the external audit the importance of scientific research in bridging the gap in the studies that dealt with the audit committees and linking them to the quality of external audit stems from the importance of the study of the vital role played by the review committees in strengthening the quality of external audit.  The study's objective is to know the role of the review committees in improving the quality of the external audit and clarify the theoretical framework of the review committees. To achieve the study's objectives, the following hypotheses were formulated: There is a statistically significant relationship between the independence of the review committees and the improvement of the quality of the external audit. There is a statistically significant relationship between the experience and knowledge of the members of the review committees and the improvement of the quality of the external audit and external audit quality. The study adopted the descriptive analytical method using the statistical package for social sciences (SPSS). The study of the selection of members of the Audit Committee by the shareholders and with the participation of the Board of Directors leads to the improvement of the quality of the external audit, the selection of members of the Committee from non-executive members leading to the improvement of the quality of external audit. The study concluded with some recommendations. It recommended that the Audit Committee be increased in the bank in additional training sessions to improve the quality of the external audit. Specific conditions must be specified to penalize the Audit Committee in the event of persistent participation in financial and administrative corruption affecting the quality of the external audit.
本研究通过对苏丹银行的案例研究,审查委员会及其在提高外部审计质量方面的作用。研究问题可从以下问题中得出:审计委员会的独立性与外部审计过程的质量之间是否存在关系?审查委员会成员的专业技能和知识对提高外部审计质量的影响 科学研究在弥补有关审计委员会的研究空白并将其与外部审计质量联系起来方面的重要性,源于对审查委员会在加强外部审计质量方面所发挥的重要作用进行研究的重要性。 本研究的目的是了解复核委员会在提高外部审计质量方面的作用,并澄清复核委员会的理论框架。为实现研究目标,提出了以下假设:审查委员会的独立性与外部审计质量的提高之间存在统计学意义上的显著关系。审查委员会成员的经验和知识与外部审计质量和外部审计质量的提高之间存在统计意义上的重大关系。研究采用了社会科学统计软件包(SPSS)的描述性分析方法。研究发现,由股东遴选审计委员会成员并在董事会的参与下可提高外部审计质量,从非执行成员中遴选委员会成员可提高外部审计质量。研究最后提出了一些建议。它建议在银行中增加审计委员会的培训课程,以提高外部审计的质量。必须规定具体条件,在审计委员会持续参与影响外部审计质量的财务和行政腐败时对其进行处罚。
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引用次数: 0
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Journal of Economics, Finance and Accounting Studies
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