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A recent review on optimisation methods applied to credit scoring models 信用评分模型的优化方法综述
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-06-05 DOI: 10.1108/jefas-09-2021-0193
Elias Shohei Kamimura, Anderson Rogério Faia Pinto, M. S. Nagano
PurposeThis paper aims to present a literature review of the most recent optimisation methods applied to Credit Scoring Models (CSMs).Design/methodology/approachThe research methodology employed technical procedures based on bibliographic and exploratory analyses. A traditional investigation was carried out using the Scopus, ScienceDirect and Web of Science databases. The papers selection and classification took place in three steps considering only studies in English language and published in electronic journals (from 2008 to 2022). The investigation led up to the selection of 46 publications (10 presenting literature reviews and 36 proposing CSMs).FindingsThe findings showed that CSMs are usually formulated using Financial Analysis, Machine Learning, Statistical Techniques, Operational Research and Data Mining Algorithms. The main databases used by the researchers were banks and the University of California, Irvine. The analyses identified 48 methods used by CSMs, the main ones being: Logistic Regression (13%), Naive Bayes (10%) and Artificial Neural Networks (7%). The authors conclude that advances in credit score studies will require new hybrid approaches capable of integrating Big Data and Deep Learning algorithms into CSMs. These algorithms should have practical issues considered consider practical issues for improving the level of adaptation and performance demanded for the CSMs.Practical implicationsThe results of this study might provide considerable practical implications for the application of CSMs. As it was aimed to demonstrate the application of optimisation methods, it is highly considerable that legal and ethical issues should be better adapted to CSMs. It is also suggested improvement of studies focused on micro and small companies for sales in instalment plans and commercial credit through the improvement or new CSMs.Originality/valueThe economic reality surrounding credit granting has made risk management a complex decision-making issue increasingly supported by CSMs. Therefore, this paper satisfies an important gap in the literature to present an analysis of recent advances in optimisation methods applied to CSMs. The main contribution of this paper consists of presenting the evolution of the state of the art and future trends in studies aimed at proposing better CSMs.
目的本文旨在介绍最新的优化方法应用于信用评分模型(csm)的文献综述。设计/方法/方法研究方法采用了基于文献和探索性分析的技术程序。使用Scopus、ScienceDirect和Web of Science数据库进行传统调查。论文的选择和分类分三步进行,仅考虑英语研究和发表在电子期刊上(从2008年到2022年)。该调查最终选择了46份出版物(10份文献综述,36份建议csm)。研究结果表明,csm通常使用财务分析、机器学习、统计技术、运筹学和数据挖掘算法来制定。研究人员使用的主要数据库是银行和加州大学欧文分校。分析确定了csm使用的48种方法,主要是:逻辑回归(13%),朴素贝叶斯(10%)和人工神经网络(7%)。作者得出结论,信用评分研究的进步将需要新的混合方法,能够将大数据和深度学习算法集成到csm中。这些算法应考虑实际问题,考虑提高csm所需的适应水平和性能的实际问题。实际意义本研究的结果可能为csm的应用提供相当大的实际意义。由于其目的是展示优化方法的应用,法律和伦理问题应该更好地适应csm,这是非常可观的。还建议通过改进新的客户服务管理体系,改进以微型和小型公司为重点的分期付款销售计划和商业信贷研究。原创性/价值授信的经济现实使得风险管理成为一个复杂的决策问题,越来越多地得到csm的支持。因此,本文满足了文献中的一个重要差距,以介绍应用于csm的优化方法的最新进展的分析。本文的主要贡献包括介绍了旨在提出更好的csm的研究的最新进展和未来趋势。
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引用次数: 0
The Effect of Breadth of Ownership on Stock Performance for Firms Listed at the Nairobi Securities Exchange, Kenya 持股广度对肯尼亚内罗毕证券交易所上市公司股票绩效的影响
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-05-30 DOI: 10.12691/jfe-11-2-2
Timothy Juma Okello, Z. Onsomu
The study sought to determine the effect of breadth of ownership on stock performance of firms listed at the Nairobi Securities Exchange (NSE), Kenya. In this research, descriptive research design was used and the population of the study was 63 firms that were listed as at 31 st December 2019. However, only listed firms that had consistently traded during the period of study were considered. As such, only 47 companies qualified to be in the study. Yearly data for five years (December 2015 to December 2019) was collected and analyzed. Results showed that the adjusted R-Square was 0.197 which indicated that 19.7% of variance in stock performance of firms that are quoted at the NSE are explained by breadth of ownership and the control variables (size and dividend). The F – statistic was 0.006 (<5%) which implied that breadth of ownership, firm size and dividend policy collectively significantly influence stock performance for companies that are listed at the NSE. Results from the regression analysis showed that breadth of ownership (P-value=0.048) and firm size which was a control variable had a significant relationship with performance of stock at 5% significance level (p-value = 0.001) Dividend policy (control variable) had a positive but insignificant relationship with stock performance at 5% significance level. A negative association between size of company (control variable) and stock performance of listed firms at the NSE was evidenced. The study recommends that firms with a higher number of shareholders continue increasing their shareholders as it has been established that firms with many shareholders have higher stock performance. Further, the study recommends the listed firms should take into consideration the company size as it negatively affects performance. The study recommends that listed firms should increase their dividend payout since dividends are used as benchmarks for the degree of expected future growth. The study suggests that further research should be done in stock markets across the East African region to enable comparison of results and generalization of the findings.
该研究试图确定在肯尼亚内罗毕证券交易所(NSE)上市的公司的股票业绩的广度所有权的影响。在本研究中,采用描述性研究设计,研究对象为截至2019年12月31日上市的63家公司。然而,仅考虑在研究期间持续交易的上市公司。因此,只有47家公司有资格参与这项研究。收集并分析了5年(2015年12月至2019年12月)的年度数据。结果表明,调整后的r平方为0.197,这表明在NSE上市的公司股票表现的19.7%的方差是由所有权广度和控制变量(规模和股息)解释的。F -统计量为0.006(<5%),这意味着所有权广度、公司规模和股息政策共同显著影响在NSE上市的公司的股票表现。回归分析结果显示,持股宽度(p值=0.048)和公司规模(p值= 0.001)作为控制变量与股票业绩在5%显著水平上存在显著关系(p值= 0.001),股利政策(控制变量)与股票业绩在5%显著水平上存在显著关系。公司规模(控制变量)与NSE上市公司的股票绩效之间存在负相关关系。该研究建议,拥有更多股东的公司应继续增加其股东,因为已经确定拥有更多股东的公司具有更高的股票绩效。此外,研究建议上市公司应考虑公司规模,因为它会对业绩产生负面影响。研究建议上市公司应增加股息支付,因为股息是衡量预期未来增长程度的基准。该研究表明,应该在整个东非地区的股票市场进行进一步的研究,以便对结果进行比较并推广研究结果。
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引用次数: 0
Corruption's effect on BRICS countries' economic growth: a panel data analysis 腐败对金砖国家经济增长的影响:面板数据分析
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-05-26 DOI: 10.1108/jefas-04-2021-0041
Beatrice D. Simo-Kengne, Siphiwo Bitterhout
PurposeThe theoretical debate of corruption's impact on economic growth remains unsettled, making it an empirical question. This study aims to investigate corruption's effect on BRICS countries' economic growth.Design/methodology/approachA panel dataset on BRICS countries spanning 1996 to 2020 was used. Bias-corrected estimators in small dynamic panels were employed to estimate a growth model as a linear-quadratic function of corruption that accounts for cross-sectional dependence, endogeneity and unobserved heterogeneity due to country and time-specific characteristics.FindingsThe results indicate that corruption is detrimental to economic growth in BRICS countries; the quadratic relationship implies corruption is less prevalent in some countries than others. Thus, governments of BRICS countries are encouraged to embark on anti-corruption policies to boost their economic performance.Originality/valueAn important limitation of corruption studies is the difficulty in measuring real corruption experiences due to the secretive nature of corruption and the fact that corruption is known not to leave a paper trail. For the uncertainty of the index estimates, the analysis used a continuous corruption composite score measuring the standard deviation of the extent to which public power is exercised for public gain. Furthermore, estimation and inference are robust to small dynamic panels with a general form of cross-sectional dependence.
目的腐败对经济增长影响的理论争论尚未解决,使其成为一个实证问题。本研究旨在探讨腐败对金砖国家经济增长的影响。设计/方法/方法采用了金砖国家1996年至2020年的面板数据集。采用小型动态面板中的偏差校正估计值来估计增长模型作为腐败的线性二次函数,该函数考虑了截面依赖性、内生性和由于国家和特定时间特征而未观察到的异质性。研究结果表明,腐败不利于金砖国家的经济增长;这种二次关系意味着腐败在一些国家比其他国家不那么普遍。因此,鼓励金砖国家政府实施反腐败政策,以提高经济绩效。原创性/价值腐败研究的一个重要局限是难以衡量真实的腐败经历,这是由于腐败的秘密性质以及众所周知的腐败不会留下书面记录这一事实。由于指数估计的不确定性,分析使用了一个连续的腐败综合得分来衡量公共权力为公共利益而行使的程度的标准差。此外,估计和推断对具有一般形式的截面依赖的小型动态面板具有鲁棒性。
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引用次数: 1
Consumers’ purchase intention of rapid COVID-19 tests 消费者对新型冠状病毒快速检测的购买意愿
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-05-18 DOI: 10.1108/jefas-11-2021-0245
K. Cortez, M. Rodríguez-García, Christian Reich
PurposeThis research aims to analyse the variables related to the purchase intention of COVID-19 rapid tests in Monterrey, Mexico's metropolitan area.Design/methodology/approach The chosen method was probit regression. The results show that purchase intention depends on the consumer's perceived value and the perception of having a potential contagion and/or presenting symptoms related to the virus. Regarding limitations, the sampling method used in this investigation is a nonprobabilistic convenience approach delivered through a digital platform, which may not be the first option in other contexts.FindingsThe findings indicate that the probability of the purchase intention of rapid COVID tests increases when consumers perceive symptoms of the disease and when they have higher education or are female rather than concerning price or income, as suggested by classical demand theory.Research limitations/implicationsProbabilistic sampling was impossible due to the difficulty of collecting surveys during the COVID-19 pandemic. Instead, a nonprobabilistic sample of a representative random selection of different zip codes from the responses received was considered.Originality/valueThe originality of the paper is its contribution to consumer behaviour during the COVID-19 pandemic in a Latin American context.
目的本研究旨在分析墨西哥蒙特雷大都市区COVID-19快速检测试剂盒购买意愿的相关变量。设计/方法学/方法选择probit回归方法。结果表明,购买意愿取决于消费者的感知价值,以及对潜在传染和/或出现与病毒相关症状的感知。关于局限性,本调查中使用的抽样方法是通过数字平台提供的非概率便利方法,在其他情况下可能不是第一选择。研究结果表明,当消费者意识到疾病症状、受过高等教育或女性时,购买快速COVID - 19检测的可能性会增加,而不是像经典需求理论那样考虑价格或收入。研究局限性/意义由于COVID-19大流行期间收集调查的困难,无法进行概率抽样。相反,考虑从收到的答复中随机选择具有代表性的不同邮政编码的非概率样本。独创性/价值本文的独创性在于其对2019冠状病毒病大流行期间拉丁美洲消费者行为的贡献。
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引用次数: 2
The effect of gender and code of ethics on budgetary slack ethical judgment: experimental evidence from Indonesia 性别和道德规范对预算松弛伦理判断的影响:来自印度尼西亚的实验证据
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-05-17 DOI: 10.1108/jefas-05-2021-0044
Jurica Lucyanda, M. Sholihin
PurposeThis research aims to study budgetary slack from a behavioural perspective, especially examining the effect of gender and code of ethics on budgetary slack ethical judgment.Design/methodology/approachThis study adopts the experimental method of 2 × 3 between-subjects mixed factorial design with 102 participants to test the hypotheses. The participants are undergraduate and postgraduate accounting students at a major university in Indonesia.FindingsThe results show that gender affects budgetary slack ethical judgment, in which women judge budgetary slack as more unethical than men. Additionally, the results indicate that individuals consider budgetary slack more unethical when a code of ethics is present than when it is absent.Originality/valueThis study contributes to the management accounting literature and behavioural research by understanding budgetary slack from an ethical perspective. Additionally, this study contributes to ethics literature by identifying the effect of gender and code of ethics on budgetary slack righteous judgment.
目的本研究旨在从行为角度研究预算松弛,特别是考察性别和道德规范对预算松弛伦理判断的影响。设计/方法/方法本研究采用2 × 3被试混合因子设计的实验方法,共102名被试进行假设检验。参与者是印度尼西亚一所主要大学会计专业的本科生和研究生。研究结果表明,性别影响预算松弛的道德判断,女性比男性更认为预算松弛不道德。此外,结果表明,当存在道德规范时,个人认为预算松弛比没有道德规范时更不道德。独创性/价值本研究通过从伦理角度理解预算松弛,为管理会计文献和行为研究做出了贡献。此外,本研究还通过性别和道德规范对预算松弛正义判断的影响,为伦理文献做出贡献。
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引用次数: 3
The impact of omnichannel integrated marketing communications (IMC) on product and retail service satisfaction 全渠道整合营销传播(IMC)对产品和零售服务满意度的影响
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-05-17 DOI: 10.1108/jefas-09-2022-0237
Vera Butkouskaya, Olga Oyner, S. Kazakov
PurposeThis study reviewed three customer-perceived components of integrated marketing communications (IMCs): consistency, interactivity and connectivity, as predictors of positive customer evaluation (product and retail service satisfaction).Design/methodology/approachThe customer data from 260 surveys were analysed using structural equation modelling (SEM). The data were collected from the emerging economy in the Moscow region (Russia).FindingsThe results reported that IMC consistency positively impacts product and service satisfaction. However, the effect of IMC interactivity was only significant in the case of service satisfaction. Meanwhile, IMC connectivity positively influenced only product satisfaction.Research limitations/implicationsThe study contributes to the marketing communications theory by defining three components of omnichannel IMC. It also adds to the customer behaviour theory by confirming the diverse nature of product and service evaluation. This study focuses on the retail industry.Practical implicationsThis research suggests that three components of IMC should be applied together towards enhancing the customer's positive post-purchase evaluation. Meanwhile, consistency enhances product and service satisfaction, interactive impacts satisfaction with the organization and connectivity with the retail service.Originality/valueThe shift toward omnichannel marketing requires a broader perspective on communication integration. This research reports a novelty result of estimating the separate effect of each component of omnichannel IMC (consistency, interactivity and connectivity) on product and service satisfaction.
目的本研究回顾整合营销传播(IMCs)的三个顾客感知要素:一致性、互动性和连接性,作为顾客积极评价(产品和零售服务满意度)的预测因子。设计/方法/方法使用结构方程模型(SEM)分析了来自260项调查的客户数据。这些数据是从莫斯科地区(俄罗斯)的新兴经济体收集的。研究结果显示,整合营销控制一致性对产品满意度和服务满意度有正向影响。然而,整合传播媒介互动的影响只有在服务满意度的情况下才显著。IMC连通性仅对产品满意度有正向影响。本研究通过定义全渠道整合营销的三个组成部分,为营销传播理论做出了贡献。它还通过确认产品和服务评价的多样性,增加了顾客行为理论。本研究以零售业为研究对象。实践意义本研究建议整合整合营销传播的三个要素,以提升顾客的购后积极评价。同时,一致性提高了产品满意度和服务满意度,交互性影响了组织满意度和零售服务的连通性。向全渠道营销的转变需要对传播整合有更广阔的视角。本研究报告了一个新颖的结果,估计了全渠道IMC的每个组成部分(一致性,交互性和连接性)对产品和服务满意度的单独影响。
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引用次数: 1
Sustainable marketing activities, event image, perceived value and tourists’ behavioral intentions in the sports tourism 体育旅游中的可持续营销活动、赛事形象、感知价值与游客行为意向
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-05-08 DOI: 10.1108/jefas-09-2022-0219
Junfeng Wang, Vera Butkouskaya
PurposeThis study constructs the influence mechanism model of sustainable marketing activities (SMAs), event image, commemorative product perceived value and tourists’ behavioral intentions (TBIs) in the sports tourism context of the Beijing Winter Olympic Games. Additionally, the article discusses the role of event image and product perceived value in enhancing the SMAs’ effect on TBIs.Design/methodology/approachThe research analyzed 315 valid questionnaires from tourists in the Chinese market by structural equation modeling.FindingsThe results indicate that SMAs positively impact sports tourism event image, tourists’ perceived commemorative product value and TBIs. Meanwhile, event image and product perceived value mediate the SMAs and TBIs relationship.Research limitations/implicationsConsidering SMAs as essential for sustainable development, this paper contributes to the strategic management discipline. Additionally, the research expands the analysis of event image and product perceived value in the brand theory and customer behavior research.Practical implicationsThe article outlines the principal value of SMAs implementation in enhancing behavioral intentions. It also reveals that a favorable event image and good perceived value can enhance SMAs’ effectiveness toward positively influencing TBIs, especially purchase intentions. It provides a new vision for nonprofit organizations to prioritize SMAs’ implementation in marketing strategies.Originality/valueIt is pioneering work with a complex research framework for SMAs implementation in the sports tourism context.
目的构建北京冬奥会体育旅游背景下可持续营销活动、赛事形象、纪念产品感知价值与游客行为意向的影响机制模型。此外,文章还讨论了事件形象和产品感知价值在增强品牌管理协会对tbi的影响中的作用。设计/方法/方法本研究采用结构方程模型对315份来自中国市场游客的有效问卷进行分析。结果表明,体育旅游品牌对体育旅游事件形象、游客感知的纪念产品价值和tbi有正向影响。同时,事件形象和产品感知价值在sma和tbi关系中起中介作用。研究局限/启示考虑到战略管理机构是可持续发展的必要条件,本文为战略管理学科做出了贡献。此外,本研究拓展了品牌理论和顾客行为研究中对事件形象和产品感知价值的分析。实践意义本文概述了实施sma在增强行为意图方面的主要价值。同时,良好的事件形象和良好的感知价值可以增强SMAs对tbi,尤其是购买意向的正向影响。它为非营利组织在营销策略中优先考虑sma的实施提供了一个新的视角。原创性/价值这是一项开创性的工作,为体育旅游背景下的sma实施提供了一个复杂的研究框架。
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引用次数: 2
Cultural communication differences in initial public offering documentation: the case of China 首次公开募股文件中的文化传播差异:以中国为例
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-04-28 DOI: 10.1108/jefas-07-2021-0123
Anamari Irizarry Quintero, Javier Rodríguez Ramirez, Camille Villafañe-Rodríguez
PurposeWritten communication differences across cultures can set the tone for effective or disastrous business relationships. Although English has been the go-to language in business, managers from different countries can significantly differ in how they convey the firms' information. This study explored these differences by examining the documentation presented by foreign corporations as part of their initial public offering (IPO) in the USA, particularly Chinese firms.Design/methodology/approachThis work examined cultural-related differences in written communications by looking at foreign corporations' descriptions of their strengths, strategies and challenges included in F-1 documents submitted to the Securities and Exchange Commission (SEC) as part of the IPO process. The sample consisted of 97 American depositary receipts (ADRs) identified in the Bank of New York Mellon's ADR directory from 2003 to 2015.FindingsThis study found that Chinese firms significantly differ from other countries' firms in depicting their strengths, strategies and challenges.Research limitations/implicationsLimitations have to do with the sample size. Future research may address this by considering other depositary markets, not just the USA.Originality/valueThe results will be significant for potential ADRs investors; they must be conscious of these differences in the written documentation submitted by Chinese firms compared to other foreign firms. The market should also be aware of these differences, as the Chinese seem less open to sharing information about the under spinning of their operations and financial prospects.
跨文化的书面沟通差异可以为有效或灾难性的商业关系定下基调。尽管英语一直是商业中的首选语言,但来自不同国家的经理在传达公司信息的方式上存在显著差异。本研究通过考察外国公司(特别是中国公司)在美国首次公开募股(IPO)时提交的文件来探讨这些差异。设计/方法/方法本研究通过考察外国公司在首次公开募股过程中提交给美国证券交易委员会(SEC)的F-1文件中对其优势、战略和挑战的描述,研究了书面沟通中的文化相关差异。样本包括纽约梅隆银行2003年至2015年ADR目录中的97份美国存托凭证(ADR)。本研究发现,中国企业在描述自身优势、战略和挑战方面与其他国家企业存在显著差异。研究局限性/启示局限性与样本量有关。未来的研究可能会通过考虑其他存托市场来解决这个问题,而不仅仅是美国。独创性/价值研究结果对潜在的美国存托凭证投资者具有重要意义;他们必须意识到与其他外国公司相比,中国公司提交的书面文件存在这些差异。市场也应该意识到这些差异,因为中国企业似乎不太愿意分享有关其经营和财务前景的信息。
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引用次数: 2
Sensitivities-based method and expected shortfall for market risk under FRTB: its impact on options risk capital 基于敏感性的方法与FRTB下市场风险的预期缺口:对期权风险资本的影响
Q1 Economics, Econometrics and Finance Pub Date : 2023-04-27 DOI: 10.1108/jefas-12-2021-0268
Carlos Alexander Grajales, Santiago Medina Hurtado
Purpose This paper measures different market risk impacts on options portfolios under the new Fundamental Review of the Trading Book (FRTB) regulation, issued in Basel and coming into effect in 2023. Design/methodology/approach This paper first suggests an algorithm for implementing the FRTB standardised approach via the sensitivities-based method to estimate a portfolio's risk capital and presents an illustration applied to an option position. Second, it proposes a methodology to estimate the expected shortfall in options portfolios from the FRTB internal models approach. In this regard, an application is developed to measure expected shortfall (ES) and value at risk (VaR) impacts under FRTB versus conventional VaR in a currency option position by considering stress scenarios from the 2007–9 and 2020–1 crises and back-testing procedures. Findings The suggested algorithm satisfactorily captures impacts via the sensitivities-based method, and higher risk capital demands are expected for emerging economies. Also, the planned FRTB methodology to measure ES and VaR is appropriate; in particular, historical metrics perform well. Astonishingly, their revealed impacts are more significant under the 2020–1 pandemic crisis than the 2007–9 financial crisis. Originality/value The proposals developed weave a communication bridge between the standardised and internal approaches of FRTB regulation, which can be scaled up technologically and institutionally.
本文在巴塞尔发布并将于2023年生效的新的交易簿基本审查(FRTB)法规下衡量不同市场风险对期权投资组合的影响。本文首先提出了一种算法,通过基于敏感性的方法来实现FRTB标准化方法,以估计投资组合的风险资本,并给出了一个应用于期权头寸的例子。其次,提出了一种基于FRTB内部模型的期权投资组合预期缺口估计方法。在这方面,我们开发了一个应用程序,通过考虑2007-9年和2020-1年危机的压力情景和回测程序,来衡量FRTB下的预期缺口(ES)和风险价值(VaR)对货币期权头寸的影响。该算法通过基于敏感性的方法令人满意地捕获了影响,新兴经济体预计会有更高的风险资本需求。此外,计划的FRTB方法测量ES和VaR是合适的;特别是,历史指标表现良好。令人惊讶的是,在2020-1年的大流行危机中,它们所揭示的影响比2007-9年的金融危机更为严重。所提出的建议在FRTB监管的标准化和内部方法之间建立了沟通桥梁,可以在技术和制度上扩大规模。
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引用次数: 1
Impact of ICT diffusion and financial development on economic growth in developing countries 信息通信技术扩散和金融发展对发展中国家经济增长的影响
IF 2.4 Q1 Economics, Econometrics and Finance Pub Date : 2023-04-25 DOI: 10.1108/jefas-09-2021-0185
A. Verma, Prajakta Sandeep Dandgawhal, A. K. Giri
PurposeThe present study aimed to examine the relationship between information and communication technologies (ICT) diffusion, financial development and economic growth in the panel of developing countries for 2005–2019.Design/methodology/approachThe study employed the principal component analysis (PCA) to extract the index of ICT diffusion. First-generation panel unit root tests such as Levine Lin Chu (LLC), Im Pesaran Shin (IPS), Augmented Dickey-Fuller (ADF) and Phillips and Perron (PP) were employed to check the stationarity of the variables. Pedroni and Kao co-integration techniques were used to examine the existence of the long-run relationship, and co-integration coefficients were estimated using FMOLS and dynamic ordinary least squares (DOLS). The panel Granger causality approach examined the short-run and long-run causality.FindingsThe results confirmed that ICT diffusion, financial development and trade openness accelerate growth, whereas inflation dampens economic growth. Further, the causality test showed bidirectional causality between ICT growth and financial development growth but a unidirectional causality from financial development to ICT diffusion in developing countries.Originality/valueThe study recommends synchronizing public and private sector investment for a synergistic effect on ICT infrastructure and adequate investment in the financial sector to increase the growth rate in developing countries. Economic policies should be adopted toward incentives and subsidies to ensure affordable ICT services for disadvantaged communities. Also, training programs focussing on enhancing digital literacy to enable all segments of the population to use digital platforms for financial services are recommended.
本研究旨在研究2005-2019年发展中国家面板中信息通信技术(ICT)扩散、金融发展和经济增长之间的关系。设计/方法/方法本研究采用主成分分析(PCA)提取ICT扩散指标。采用Levine Lin Chu (LLC)、Im Pesaran Shin (IPS)、Augmented Dickey-Fuller (ADF)和Phillips and Perron (PP)等第一代面板单位根检验检验变量的平稳性。采用Pedroni和Kao协整技术检验长期关系的存在性,并采用FMOLS和动态普通最小二乘(DOLS)估计协整系数。面板格兰杰因果关系法检验了短期和长期因果关系。研究结果证实,信息通信技术扩散、金融发展和贸易开放促进了经济增长,而通货膨胀抑制了经济增长。此外,因果关系检验表明,在发展中国家,ICT增长与金融发展增长之间存在双向因果关系,但金融发展与ICT扩散之间存在单向因果关系。独创性/价值该研究建议同步公共和私营部门投资,以对ICT基础设施产生协同效应,并在金融部门进行充分投资,以提高发展中国家的增长率。应采取经济政策鼓励和补贴,以确保弱势社区能够负担得起信息通信技术服务。此外,建议开展以提高数字素养为重点的培训项目,使各阶层人口都能使用数字平台进行金融服务。
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引用次数: 4
期刊
Journal of Economics, Finance and Administrative Science
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