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Income Redistributive Propensities of Self-Employment, ICT and Remittances: Panel Quantile Regression with Nonadditive Fixed Effects Perspective 自雇、ICT和汇款的收入再分配倾向:非加性固定效应的面板分位数回归
Q3 ECONOMICS Pub Date : 2023-11-04 DOI: 10.1142/s1793993323500266
Emmanuel Uche, Nicholas Ngepah
This study provides updated modalities for ensuring equitable income distributions in developing countries. This was achieved through the lens of self-employment, information and communication technologies (ICT), and remittances. To circumvent the dark spots in prior studies, this study harnesses annual panel series for 52 African countries. The study engaged both the system generalized method of moments (sGMM) and the panel quantile regression with nonadditive fixed effects (QRPD) techniques to elicit updated insights. Meanwhile, three metrics of income inequality, the Gini coefficient, the Atkinson index, and the Palma ratio, were explored for robust insights. A key discovery from both panel computations is the self-exacerbating inclinations of income disparities in the continent. Furthermore, it was discovered that both self-employment and ICT are significant income equalization factors. However, their influence is most effective at the upper quantiles of inequality. The influence of remittance inflows is predominantly unfavorable for equitable income distribution. Both financial inclusion and government effectiveness provided varying inequality-reducing effects. Notably, their influence is more formidable at the upper quantiles. Human capital development provides some noticeable income equalization effects, particularly at the lower quantiles. Policy insights for minifying income inequality in the continent are highlighted herein.
这项研究提供了确保发展中国家公平收入分配的最新模式。这是通过自营职业、信息和通信技术以及汇款实现的。为了规避先前研究中的黑点,本研究利用了52个非洲国家的年度小组系列。该研究采用了系统广义矩量法(sGMM)和具有非加性固定效应的面板分位数回归(QRPD)技术来获得最新的见解。与此同时,研究人员对基尼系数、阿特金森指数和帕尔马比率这三个衡量收入不平等的指标进行了探索,以获得强有力的见解。两个小组计算的一个关键发现是,非洲大陆收入差距的自我加剧倾向。此外,我们还发现自主创业和信息通信技术都是显著的收入均衡因素。然而,他们的影响在不平等的最高分位数上最为有效。汇款流入的影响主要是不利于公平的收入分配。普惠金融和政府效率都提供了不同程度的减少不平等的效果。值得注意的是,他们的影响力在较高的分位数上更为强大。人力资本发展提供了一些明显的收入均衡效应,特别是在较低的分位数。本文强调了缩小非洲大陆收入不平等的政策见解。
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引用次数: 0
Predicting Business Bankruptcy in Colombian SMEs: A Machine Learning Approach 预测哥伦比亚中小企业破产:机器学习方法
Q3 ECONOMICS Pub Date : 2023-11-04 DOI: 10.1142/s1793993323500278
Alexander Correa
In this research paper, we address the challenge of predicting business bankruptcy in small and medium-sized enterprises (SMEs) in Colombia. We analyze various financial and non-financial factors that influence the likelihood of bankruptcy and employ machine learning techniques to improve prediction accuracy. We construct a database of 62,500 SMEs for the period 2017–2021 and compare two estimation methods: logistic regression and the eXtreme Gradient Boosting (XGBoost) algorithm. The findings demonstrate that the XGBoost algorithm outperforms in bankruptcy prediction. Key financial variables such as profitability and access to working capital, as well as non-financial variables such as geographic location, are identified as influencing bankruptcy risk. These findings provide valuable insights for stakeholders such as managers, financial intermediaries, and governmental decision-makers in their efforts to support and finance SMEs in Colombia, aiming to reduce bankruptcy rates and promote their economic success.
在这篇研究论文中,我们解决了预测哥伦比亚中小企业破产的挑战。我们分析了影响破产可能性的各种财务和非财务因素,并采用机器学习技术来提高预测准确性。我们构建了一个包含2017-2021年期间62,500家中小企业的数据库,并比较了两种估计方法:逻辑回归和极端梯度提升(XGBoost)算法。研究结果表明,XGBoost算法在破产预测方面表现优异。关键的财务变量,如盈利能力和获得营运资金,以及非财务变量,如地理位置,被确定为影响破产风险。这些发现为管理者、金融中介机构和政府决策者等利益相关者提供了宝贵的见解,有助于他们为哥伦比亚的中小企业提供支持和融资,以降低破产率,促进其经济成功。
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引用次数: 0
Political Affiliate Clustering with Machine Learning in Vietnam Stock Exchange Market 基于机器学习的越南证券交易市场政治关联聚类研究
Q3 ECONOMICS Pub Date : 2023-10-04 DOI: 10.1142/s1793993323500242
Can Dinh Ngoc, Tam Phan Huy, Tu Ta Thi Cam, Tam Luong Thi My, Hien Nguyen Thi Thuy, Minh Ngo Hai
This paper aims to cluster politically affiliated groups using machine learning. The sample used in the study is enterprises listed on the stock exchanges of Ho Chi Minh City and Hanoi, research data during the period from 2015 to 2020. Data used in the study include state ownership ratio, the degree of political connection of business leaders and financial indicators in the listed financial statements of enterprises. The author’s study measures political connection by K-means algorithm and then compares the results of the K-means clustering with the traditional method of manual measurement of political connection including two values of 0 and 1, where 0 is no political affiliation and 1 is political affiliation. At the same time, the author runs three clusters to have in-depth insight. The authors conclude that machine learning clustering using the k-means model can replace the traditional method. Politically connected businesses listed on HOSE and HNX with political connections bring many benefits to businesses in investment activities, in accessing resources as well as capital; however, that businesses have a negative impact on business performance. The authors recommend that a moderate degree of political affiliation will help businesses achieve better performance.
本文旨在使用机器学习对政治附属团体进行聚类。本研究使用的样本为胡志明市和河内证券交易所上市企业,研究数据为2015年至2020年。本研究使用的数据包括国有持股比例、企业领导人的政治关联度以及企业上市财务报表中的财务指标。作者的研究通过K-means算法测量政治联系,然后将K-means聚类结果与传统的人工测量政治联系的方法进行比较,包括0和1两个值,其中0表示无政治派别,1表示有政治派别。同时,笔者运行三个集群进行深入的洞察。作者得出结论,使用k-means模型的机器学习聚类可以取代传统的方法。在HOSE和HNX上市的具有政治关系的企业在投资活动、获取资源和资金方面给企业带来了许多好处;然而,这对企业业绩有负面影响。作者建议,适度的政治关系将有助于企业取得更好的业绩。
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引用次数: 0
Carbon Emissions and Its Relationship with Foreign Trade Openness and Foreign Direct Investment 碳排放及其与对外贸易开放和外商直接投资的关系
Q3 ECONOMICS Pub Date : 2023-09-30 DOI: 10.1142/s1793993323500230
Asma Salman, Muthanna G. Abdul Razzaq, Bisharat Hussain Chang, Wing-Keung Wong, Mohammed Ahmar Uddin
Previous research has investigated the connections between foreign direct investment (FDI), carbon emissions (CO 2 ), and foreign trade openness. However, these past studies did not specifically focus on industrial sectors in China and their carbon emissions, thus leaving a gap in understanding this relationship. In our study, we aim to contribute to the existing body of knowledge by employing a threshold regression model with a threshold variable. This model calculates how strongly carbon emissions are produced to assess the impact of the industrial sector on carbon emissions. Our findings reveal that foreign trade openness and FDI have a threefold threshold impact on industrial carbon emissions. The effect of FDI on carbon emissions in the industrial sector shows a pattern of initially lowering and then increasing the emissions, indicating potential harm. Conversely, the impact of foreign trade openness on carbon emissions exhibits both positive and negative effects. While foreign trade openness exacerbates carbon emissions in economic sectors with lower carbon intensity, it helps mitigate emissions in sectors with high- carbon emission levels. Furthermore, our study identifies that the intensity of economic activity, per capita GDP, and the number of employees all significantly influence the industrial sector’s carbon emissions. By employing the latest cutting-edge methodology, our research opens the door for extrapolating these findings to other nations for a comprehensive analysis.
以往的研究考察了外国直接投资(FDI)、碳排放(co2)和对外贸易开放之间的关系。然而,这些过去的研究并没有专门关注中国的工业部门及其碳排放,因此在理解这种关系方面存在空白。在我们的研究中,我们的目标是通过使用带有阈值变量的阈值回归模型来为现有的知识体系做出贡献。该模型计算碳排放产生的强度,以评估工业部门对碳排放的影响。研究发现,对外贸易开放和FDI对工业碳排放具有三倍阈值影响。FDI对工业部门碳排放的影响呈现先降低后增加的趋势,显示出潜在的危害。相反,对外贸易开放对碳排放的影响表现出正、负两方面的影响。对外贸易开放加剧了低碳强度经济部门的碳排放,但有助于降低高碳排放水平经济部门的碳排放。此外,我们的研究发现,经济活动强度、人均GDP和雇员数量都显著影响工业部门的碳排放。通过采用最新的尖端方法,我们的研究为将这些发现外推到其他国家进行全面分析打开了大门。
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引用次数: 0
Role of Human Capital Accumulation in Reducing Poverty and Land Degradation 人力资本积累在减少贫困和土地退化中的作用
Q3 ECONOMICS Pub Date : 2023-09-26 DOI: 10.1142/s1793993323500254
Shilpy Verma
This study examines the role of human capital accumulation in order to escape the poverty-land degradation trap. Moreover, we explore whether the human capital accumulation could lead to reduction in land degradation and poverty. To test this, we have used data of 26 Indian states covering time period 1993–2011 and have employed System-GMM method of estimation to account for the joint endogeneity between the dependent and the explanatory variables. Due to the non-availability of state level poverty data, we have restricted our study to year 2011. To measure poverty, we have used head count ratio, total land degradation as percentage of geographical area is used as a proxy for land degradation, and enrolment in primary classes and 6th to 12th classes is used to measure human capital accumulation. The results suggest that land degradation reduces poverty and increase in poverty increases land degradation. This could be due to the fact that increase in income or reduction in poverty of individual requires the intensification of agriculture production, which contributed to land degradation. We also find that higher educational attainment will reduce poverty. The role of human capital accumulation on land degradation remains unclear.
本研究探讨人力资本积累在摆脱贫困-土地退化陷阱中的作用。此外,我们还探讨了人力资本积累是否会导致土地退化和贫困的减少。为了验证这一点,我们使用了印度26个邦1993-2011年的数据,并采用System-GMM估计方法来解释因变量和解释变量之间的联合内生性。由于无法获得州一级的贫困数据,我们的研究仅限于2011年。为了衡量贫困,我们使用了人口比率,土地退化总量占地理面积的百分比作为土地退化的代理指标,小学和6至12年级的入学率用于衡量人力资本积累。结果表明,土地退化减少了贫困,而贫困加剧则加剧了土地退化。这可能是由于增加收入或减少个人贫穷需要加强农业生产,而这又造成了土地退化。我们还发现,更高的教育程度会减少贫困。人力资本积累对土地退化的作用仍不清楚。
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引用次数: 0
Information Security of the National Economy Based on an Effective Data Control Method 基于有效数据控制方法的国民经济信息安全
Q3 ECONOMICS Pub Date : 2023-09-19 DOI: 10.1142/s1793993323500217
Victor Krasnobayev, Alina Yanko, Alina Hlushko
Research directed at strengthening the security of the national economy of the state in the information sphere is based on ensuring operational (fast-acting) reliability, confidentiality, integrity and availability of state information resources, information with limited access, in particular, circulating at economic information infrastructure facilities in the context of information and hybrid wars. The essence of scientific research is to increase the speed (performance) and reliability of computer systems of processing economic data due to the development and implementation of methods of control, diagnosis and correction of errors of the non-positional number system, the so-called system of residual classes (SRC). Prospects for further research are aimed at formulating the concept of development of reliable computer systems for real-time data processing in SRC used in the modern economy.
旨在加强国家在信息领域的国民经济安全的研究,以确保国家信息资源的操作(快速)可靠性、保密性、完整性和可用性为基础,特别是在信息战争和混合战争的背景下,在经济信息基础设施中流通的有限获取的信息。科学研究的本质是提高处理经济数据的计算机系统的速度(性能)和可靠性,这是由于开发和实施非位置数系统,即所谓的剩余类系统(SRC)的控制、诊断和纠错方法。进一步研究的前景是旨在制定可靠的计算机系统的发展概念,以便在现代经济中使用SRC进行实时数据处理。
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引用次数: 0
An Exploration of Interlinkages between International Trades and Green Energy Volatility over Quantiles 国际贸易与绿色能源波动之间的内在联系探讨
IF 0.7 Q3 ECONOMICS Pub Date : 2023-08-10 DOI: 10.1142/s1793993323500205
Ha Quynh Hoa, N. Hung, Leavitt Ha, Luu Thi Phuong, Truong Nhu Hieu, Tran Anh Ngoc
In this paper, we employ the quantile vector autoregression (QVAR) technique to determine the degree of connectedness between seven variables from 1985 to 2019 for the purpose of examining the relationships between the Trade market and Green energy consumption. Based on our findings, dynamic connectedness, which is 24.18% in the short term and 9% in the long term, is influenced by both long-term and short-term periods. Based on the dynamic net total connectedness of a quantile, a quantile of 50% describes the period’s overall connectedness, which is associated both with highly positive changes (above the 80% quantile) and with highly volatile variables (below the 20% quantile) of export, import, and green energy consumption. In both durations, export and import values turn into a net shock transmitter, and green energy consumption acts like a net shock receiver since the last half of the period. In 2008, uncertain events were correlated with dynamic net pairwise directional connectedness over a quantile, such as the Global Financial crisis, have an influence on the trade market and green energy consumption’s volatility.
在本文中,我们采用分位数向量自回归(QVAR)技术来确定1985年至2019年七个变量之间的连通性程度,以检验贸易市场与绿色能源消费之间的关系。根据我们的研究结果,动态连通性(短期为24.18%,长期为9%)同时受到长期和短期的影响。基于一个分位数的动态净总连通性,50%的分位数描述了该时期的整体连通性,这与出口、进口和绿色能源消耗的高度积极变化(高于80%分位数)和高度波动的变量(低于20%分位数)相关。在这两个时间段内,出口和进口价值都变成了净冲击发射器,而绿色能源消费在后半时间段内则成为净冲击接收器。2008年,全球金融危机等不确定事件对贸易市场和绿色能源消费的波动率产生了影响,这些不确定事件与动态净两两定向连通性在一个分位数上相关。
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引用次数: 0
Productivity Growth Effects of FDI Spillovers: Evidence from the Türkiye Manufacturing Industries 外商直接投资溢出对生产率增长的影响:来自<s:1>日本制造业的证据
IF 0.7 Q3 ECONOMICS Pub Date : 2023-08-02 DOI: 10.1142/s1793993323500199
Shahid Mahmood Waqar, M. Abdu
This study explores the productivity growth effects of horizontal, backward, and forward FDI spillovers in the Türkiye manufacturing sector using industry-level data for the period 2008–2018. While controlling for capital intensity and human capital as proxies for the absorption capacity, we apply system GMM and bootstrapped LSDV estimator to estimate the models. Our findings reveal that backward linkages significantly hamper industrial productivity due to the rudimentary nature of the products in the downstream sector or lack of absorption capacity. While horizontal spillovers retard the productivity growth; forward linkages enhance the growth, though all insignificant. The results depict that all the interactions with capital intensity strongly promote industrial productivity growth.
本研究利用2008-2018年的行业数据,探讨了横向、向后和正向FDI溢出对日本制造业部门生产率增长的影响。在控制资本强度和人力资本作为吸收能力的代理的同时,我们使用系统GMM和自举LSDV估计器来估计模型。我们的研究结果表明,由于下游部门产品的初级性质或缺乏吸收能力,后向联系显著阻碍了工业生产率。横向溢出效应抑制生产率增长;前向联系促进了增长,尽管它们都不显著。结果表明,资本密集度与产业生产率的相互作用对产业生产率的增长具有显著的促进作用。
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引用次数: 0
MSME Promotion, Inequality and Decentralized Wealth Creation: A Strategic Policy Perspective 中小微企业促进、不平等和分散的财富创造:一个战略政策视角
IF 0.7 Q3 ECONOMICS Pub Date : 2023-07-18 DOI: 10.1142/s1793993323500163
Saransh Royal, Kamaljit Singh, Ramesh Chander
The study aims to ascertain the impact of micro, small and medium enterprises (MSMEs) growth on wealth creation and its distribution in India concerning macroeconomic variables such as GDP (Gross Domestic Product) per capita, unemployment, Foreign direct investment (FDI), human development index (HDI) and the urban population (URP). The research has examined the underlying short-term association using ECM, FMOLS, DOLS and CCR to estimate the long-run association between the identified variables. It documents a positive relationship between the share of the B[Formula: see text] populace and the FDI. On the other hand, per capita GDP, in the long run, had a negative association with MSME share, URP and HDI. Similarly, for the top 10 percentile (T[Formula: see text]) share, there was a positive relationship between MSME share and URP. Therefore, the results document a decentralized wealth creation for an MSME-focused development strategy in the short run to address skewed wealth creation in emerging societies.
该研究旨在确定微型,中小型企业(MSMEs)增长对财富创造及其在印度分布的影响,涉及人均GDP(国内生产总值),失业率,外国直接投资(FDI),人类发展指数(HDI)和城市人口(URP)等宏观经济变量。本研究利用ECM、FMOLS、DOLS和CCR检验了潜在的短期关联,以估计所识别变量之间的长期关联。它记录了B[公式:见文本]人口份额与外国直接投资之间的正相关关系。另一方面,从长期来看,人均GDP与中小微企业份额、URP和人类发展指数呈负相关。同样,对于前10个百分位数(T[公式:见文本])的份额,MSME份额与URP之间存在正相关关系。因此,研究结果表明,在短期内,以中小微企业为重点的发展战略将分散财富创造,以解决新兴社会扭曲的财富创造问题。
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引用次数: 0
Global Value Chains and Digitalization under Industry 4.0: The Hansen Threshold Regression Model in the Case of Africa 工业4.0下的全球价值链与数字化:以非洲为例的Hansen阈值回归模型
IF 0.7 Q3 ECONOMICS Pub Date : 2023-07-18 DOI: 10.1142/s1793993323500187
Feriel Nasser, Feryel Ouerghi
The COVID-19 pandemic has raised concerns about the vulnerabilities of global value chains (GVCs), leading to discussions on how to enhance their resilience, security, and sustainability through adjustments to Industry 4.0 roadmaps. While some argue that digitization under Industry 4.0 could be a potential solution to make GVCs more resilient, others suggest that it could potentially reverse the trend toward GVCs and favor near-shoring or reshoring. However, empirical research on the impact of digital technologies on GVCs proliferation is lacking. This study addresses this gap by using a panel data set covering 27 African countries from 2005 to 2018 to examine how digitalization under Industry 4.0 affects the participation of African countries in GVCs. The findings reveal that digital infrastructure and skills positively and significantly impact GVCs participation. However, based on the Hansen threshold model, we find that when digital skills are below a certain threshold, digital infrastructure negatively affects both forward and backward linkages to GVCs. Conversely, when digital skills are above the threshold, digital infrastructure has a positive impact only on backward linkages. Nonetheless, digital skills consistently and significantly impact the participation of African countries in GVCs, irrespective of the level of digital infrastructure. As a conclusion, this study highlights the importance of digital infrastructure and skills in shaping the participation of African countries in GVCs, and underscores the need for further research in this area.
2019冠状病毒病大流行引发了人们对全球价值链脆弱性的担忧,引发了关于如何通过调整工业4.0路线图来增强其复原力、安全性和可持续性的讨论。虽然一些人认为,工业4.0下的数字化可能是使全球价值链更具弹性的潜在解决方案,但也有人认为,它可能会扭转全球价值链的趋势,有利于近岸或回流。然而,关于数字技术对全球价值链扩散影响的实证研究尚缺乏。本研究通过使用涵盖2005年至2018年27个非洲国家的面板数据集来解决这一差距,研究工业4.0下的数字化如何影响非洲国家参与全球价值链。研究结果显示,数字基础设施和技能对全球价值链的参与产生了积极而显著的影响。然而,基于Hansen阈值模型,我们发现当数字技能低于某一阈值时,数字基础设施对全球价值链的正向和向后联系都产生了负面影响。相反,当数字技能高于阈值时,数字基础设施仅对向后联系产生积极影响。然而,无论数字基础设施水平如何,数字技能始终显著影响着非洲国家参与全球价值链。最后,本研究强调了数字基础设施和技能在塑造非洲国家参与全球价值链方面的重要性,并强调了在这一领域开展进一步研究的必要性。
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引用次数: 0
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Journal of International Commerce Economics and Policy
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