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Harnessing Machine Learning for Predicting Cryptocurrency Returns 利用机器学习预测加密货币回报率
IF 2.4 Q3 BUSINESS Pub Date : 2024-03-04 DOI: 10.1177/09721509241226575
Hiridik Rajendran, Parthajit Kayal, Moinak Maiti
The study investigates the predictability of both the individual and basket of 10 major cryptocurrencies’ daily price changes between 2017 and 2023 by employing various machine learning classification algorithms such as random forests, k-nearest neighbour, decision trees, logistic regression, and Bernoulli naïve Bayes. These models utilize 15 different features based on historical price data and technical indicators as input features. The study estimates find logistic regression as superior over other models under consideration in predicting cryptocurrency daily returns. Overall, the study finds that on an average machine learning classification algorithms predictive accuracies have surpassed 50% when applied to daily frequencies on the basket of 10 major cryptocurrencies.
该研究通过采用随机森林、k-近邻、决策树、逻辑回归和伯努利天真贝叶斯等各种机器学习分类算法,研究了 2017 年至 2023 年期间单个和一篮子 10 种主要加密货币每日价格变化的可预测性。这些模型利用基于历史价格数据和技术指标的 15 种不同特征作为输入特征。研究估计发现,在预测加密货币日收益方面,逻辑回归优于其他考虑中的模型。总体而言,研究发现,当应用于一篮子 10 种主要加密货币的每日频率时,机器学习分类算法的平均预测准确率超过了 50%。
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引用次数: 0
The Nexus Between Foreign Direct Investment and Domestic Investment in Myanmar: A Panel ARDL Approach 缅甸外商直接投资与国内投资之间的关联:面板 ARDL 方法
IF 2.4 Q3 BUSINESS Pub Date : 2024-03-04 DOI: 10.1177/09721509241229214
Meseret Ebabu Ejigu, Ei Thinzar Win
Foreign direct investment is the main driver of the growth. The development of Myanmar mainly depends on FDI and domestic investment. The objective of this article is to analyze the relationship between FDI and domestic investment in Myanmar from 1990 to 2020. The mean group estimator ARDL model was applied in this empirical study to evidence the relationship between them. This study employed newly collected sector-specific FDI inflows and domestic investment data for detailed examination. In line with the target of this article, the question arises whether FDI crowds in or crowds out DI in Myanmar. According to the outcomes, FDI and DI have a positive and insignificant relationship in the short-run results. However, they are positive and statistically significant in the long-run. There are unique causalities between FDI and DI; between EMP and DI and between EXCH and DI. Hence, FDI does Granger-cause DI. Thus, FDI crowds in DI in the short- and long-hauls in Myanmar. Therefore, the Government should actively do investment promotion for the investors to attract more FDI inflows into the country by facilitating business to sustain the country’s development and encourage the local businesspeople by educating how to use modern technology to shift from labor- to capital-intensive industries for increasing production and efficiency in Myanmar. Implications of the finding are explained with theoretical contributions, recommendations and research limitation are discussed.
外国直接投资是经济增长的主要驱动力。缅甸的发展主要依赖于外国直接投资和国内投资。本文旨在分析 1990 年至 2020 年缅甸外国直接投资与国内投资之间的关系。本实证研究采用均值组估计 ARDL 模型来证明两者之间的关系。本研究采用了最新收集的特定行业外国直接投资流入量和国内投资数据进行详细研究。根据本文的目标,问题在于外国直接投资是挤入还是挤出了缅甸的直接投资。研究结果表明,外国直接投资和直接投资在短期内呈正相关且不显著。然而,从长期来看,它们是正相关的,并且在统计上是显著的。外国直接投资与直接投资之间、经济增长与直接投资之间以及出口创汇与直接投资之间存在独特的因果关系。因此,外国直接投资确实是直接投资的格兰杰因果关系。因此,在缅甸,外国直接投资在短期和长期都会带来直接投资。因此,政府应积极为投资者开展投资促进活动,通过为企业提供便利来吸引更多的外国直接投资流入缅甸,以维持国家的发展,并通过教育当地商人如何利用现代技术从劳动密集型产业转向资本密集型产业来提高缅甸的生产和效率,从而鼓励当地商人。研究结果的意义、理论贡献、建议和研究局限均在讨论之列。
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引用次数: 0
Voluntary Intellectual Capital Disclosure and Information Asymmetry: Study of Indian Firms 自愿知识资本披露与信息不对称:印度企业研究
IF 2.4 Q3 BUSINESS Pub Date : 2024-02-20 DOI: 10.1177/09721509241227747
Soumya Singhal, Seema Gupta
This article develops a disclosure index to examine the extent and quality of intellectual capital disclosure in Indian firms. Furthermore, it assesses the gap between stakeholder expectations and industry disclosure procedures by conducting five years database analysis. To analyze the extent and quality of intellectual capital disclosure, a content analysis technique was applied to a sample of 30 non-financial firms listed on the Bombay Stock Exchange for five years, 2018–2022. A disclosure index of 42 items was constructed based on previous studies under three intellectual capital categories: Structural Capital, Relational Capital, and Human Capital. It was found that Indian companies had a low level of intellectual capital disclosure, although it increased by 28% from 2018 to 2022. Also, there was an upward movement in the disclosure of all intellectual capital components. Structural capital is disclosed by the number of organizations, whereas human capital is being disclosed the lowest. This study developed a new disclosure index consisting of 42 intellectual capital items based on extant research conferred by experts. In addition, the study considered a Sensex non-financial company for the analysis. Third, this study uses graphs to represent disclosure quality.
本文开发了一种信息披露指数,以考察印度企业知识资本信息披露的程度和质量。此外,文章还通过五年的数据库分析,评估了利益相关者的期望与行业披露程序之间的差距。为了分析知识资本披露的程度和质量,本文对孟买证券交易所上市的 30 家非金融企业(2018-2022 年,为期五年)进行了抽样调查,并采用了内容分析法。在以往研究的基础上,根据三个知识资本类别构建了包含 42 个项目的披露指数:结构资本、关系资本和人力资本。研究发现,印度公司的智力资本披露水平较低,尽管从2018年到2022年增加了28%。此外,所有知识资本组成部分的披露都呈上升趋势。结构资本按组织数量披露,而人力资本的披露程度最低。本研究根据专家们的现有研究成果,制定了由 42 个知识资本项目组成的新披露指数。此外,本研究还考虑了 Sensex 非金融公司进行分析。第三,本研究使用图表来表示信息披露质量。
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引用次数: 0
Early, Rapid or Global? Internationalization Speed and SME’s Performance 早期、快速还是全球化?国际化速度与中小企业绩效
IF 2.4 Q3 BUSINESS Pub Date : 2024-02-16 DOI: 10.1177/09721509231221915
Rubina Romanello, Bernardo Balboni, Maria Chiarvesio, Justin Paul
The article investigates the impact of three dimensions of the speed of internationalization speed – the entry timing, the initial speed and the pace of international expansion – on the performance of exporting small‐ and medium‐sized enterprises (SMEs). To this purpose, we adopt a mixed-method approach analysing quantitative and qualitative data on Italian-exporting SMEs. The results show that entry timing, which is not relevant per se, moderates the positive impact of the initial speed on SME’s performance. Furthermore, a higher pace of international expansion is negatively related to the performance of SMEs. Building on the early internationalization literature, the study contributes to the existing literature on performance outcomes of the speed of internationalization of SMEs. The study has managerial implications for managers and entrepreneurs who are planning to internationalize.
本文研究了国际化速度的三个维度--进入时机、初始速度和国际扩张步伐--对出口型中小企业业绩的影响。为此,我们采用了一种混合方法,对意大利出口型中小企业的定量和定性数据进行了分析。结果表明,进入时机本身并不重要,但却能调节初始速度对中小企业绩效的积极影响。此外,较快的国际扩张速度与中小企业的绩效呈负相关。在早期国际化文献的基础上,本研究为有关中小企业国际化速度对绩效影响的现有文献做出了贡献。本研究对计划国际化的管理者和企业家具有管理意义。
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引用次数: 0
Determining Factors of Eco-innovation Adoption: An Empirical Study of Micro- and Small Enterprises in Johannesburg, South Africa 采用生态创新的决定因素:南非约翰内斯堡微型和小型企业的实证研究
IF 2.4 Q3 BUSINESS Pub Date : 2024-01-15 DOI: 10.1177/09721509231219078
Kiru Sichoongwe
Eco-innovation (EI) is a typical innovation that is beneficial to the environment. It is seen as a necessary step that positively contributes to the worldwide fight against carbon emissions. It is a crucial component for achieving sustainable development, and improving environmental and economic performance. This study investigates what drives micro- and small enterprises (MSEs) to adopt environmental innovation technologies in Johannesburg, South Africa. An econometric model is used in the study to examine a total of 1,021 MSEs. The probit findings show that environmental tax, government subsidies, and research and development activities have a positive influence on EI adoption. Also, adoption of EI is dependent on the successful application of non-EIs (e.g., innovation on new products, innovation on improved products and innovation on improved services) by enterprises. The article concludes with policy implications.
生态创新(EI)是一种有益于环境的典型创新。它被视为一个必要的步骤,对全球范围内的碳减排斗争做出了积极贡献。它是实现可持续发展、提高环境和经济绩效的重要组成部分。本研究调查了促使南非约翰内斯堡的微型和小型企业(MSE)采用环境创新技术的因素。研究采用计量经济学模型对 1,021 家微型和小型企业进行了调查。probit 结果显示,环境税、政府补贴和研发活动对采用环境创新技术有积极影响。此外,采用环境创新还取决于企业对非环境创新(如新产品创新、改进产品创新和改进服务创新)的成功应用。文章最后提出了政策启示。
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引用次数: 0
Is Institutional Ownership Socially Responsible? Perspectives from Heterogeneity and Stability of Institutional Ownership 机构所有权对社会负责吗?机构所有权的异质性和稳定性透视
IF 2.4 Q3 BUSINESS Pub Date : 2023-12-14 DOI: 10.1177/09721509231210366
Srikanth Potharla, S. Mahapatra, Surya Kumari Turubilli
This study examines the relationship between institutional ownership and the corporate social responsibility (CSR) performance of companies in India. Referring to social market theory, the free cash flow theory of agency costs and the institutional theory of CSR, this study hypothesized a positive association between institutional ownership and CSR performance (CSP). It empirically tested the hypothesis on a sample of 814 firm-years from 2010 to 2019. The findings reveal a significantly positive association between institutional ownership persistence and CSP. The robustness of the findings is tested against the heterogeneity of institutional ownership, namely, domestic and foreign institutional ownership, with reference to the ‘hometown advantage hypothesis’ and ‘global investor hypothesis’. Domestic institutional ownership significantly impacts CSP in line with the ‘hometown advantage hypothesis’; meanwhile, the significant influence of foreign institutional ownership on CSR aligns with the ‘global investor hypothesis’.
本研究探讨了机构所有权与印度公司的企业社会责任(CSR)绩效之间的关系。参照社会市场理论、代理成本的自由现金流理论和企业社会责任的制度理论,本研究假设机构所有权与企业社会责任绩效(CSP)之间存在正相关关系。研究以 2010 年至 2019 年的 814 个企业年为样本,对这一假设进行了实证检验。研究结果表明,机构所有权持续性与企业社会责任绩效之间存在明显的正相关关系。参照 "故乡优势假说 "和 "全球投资者假说",针对机构所有权的异质性,即国内和国外机构所有权,检验了研究结果的稳健性。国内机构所有权对企业社会责任的重大影响符合 "家乡优势假说";同时,外国机构所有权对企业社会责任的重大影响符合 "全球投资者假说"。
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引用次数: 0
A Moderating Role of Gender on Agro-Entrepreneurial Intention Among Youths 性别对青年农业创业意向的调节作用
IF 2.4 Q3 BUSINESS Pub Date : 2023-12-13 DOI: 10.1177/09721509231212959
P. Ezeh
This article aimed to examine the impact of subjective norm (SN), attitude and perceived behavioural control (PBC) on Nigerian youths’ agro-entrepreneurial intention (EI) as well as moderating role of gender. The unit of analysis is 400 youths in Nigeria, ranging from ages of 18 to 40 years. In this study, structural equation modelling was used. The result shows that attitude, SN and PBC have significant relationship with Nigerian youths’ agro-EI. Also, there is no significant difference between men and women on PBC and attitude towards agro-entrepreneurship, but there is a significant difference on SN. Standard estimates revealed that women have a stronger SN than men. Finally, it was discovered that Nigerian youths have interest in agro-entrepreneurship. This study is unique since it focused specifically on agro-entrepreneurial intent and the moderating role of gender in an agrarian and gender sensitive zone, which many studies ignored. Gender role was emphasized in this study. Thus, it has shown that society and community have more influence on women than men when engaging in agro-entrepreneurship.
本文旨在研究主观规范(SN)、态度和感知行为控制(PBC)对尼日利亚青年农业创业意向(EI)的影响以及性别的调节作用。分析单位为尼日利亚的 400 名青年,年龄从 18 岁到 40 岁不等。本研究采用了结构方程模型。结果表明,态度、SN 和 PBC 与尼日利亚青年的农业经济投资有显著关系。此外,男性和女性在 PBC 和对农业创业的态度方面没有显著差异,但在 SN 方面存在显著差异。标准估计值显示,女性的 SN 强于男性。最后,研究发现尼日利亚青年对农业创业感兴趣。这项研究是独一无二的,因为它特别关注农业创业意向以及性别在农业和性别敏感区域的调节作用,而许多研究都忽略了这一点。本研究强调了性别角色。因此,研究表明,在从事农业创业时,社会和社区对女性的影响大于男性。
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引用次数: 0
Competitiveness Analysis of Pakistan’s Cotton Yarn Exports Relative to India and USA: A Demand System Application with Focuses on China’s Market 巴基斯坦棉纱出口相对于印度和美国的竞争力分析:以中国市场为重点的需求系统应用
IF 2.4 Q3 BUSINESS Pub Date : 2023-12-07 DOI: 10.1177/09721509231199302
Saleem Khan, Salman Azad Khan, M. Kamal, A. Syed
This study employed the revealed comparative advantage (RCA), revealed symmetric comparative advantage (RSCA) and Vollrath’s indices to measure Pakistan’s export competitiveness of cotton yarn in the world. Meanwhile, the country’s export competitiveness is evaluated using the comparative advantage by countries index in China, the world’s largest consumer of cotton yarn and Pakistan’s main export destination. Additionally, linear approximated almost ideal demand systems (LA/AIDS) is employed to anticipate the demand relations for exports of cotton yarn (Pakistan, India and the USA) in the Chinese market over the period 1991–2019. The value of RCA indices greater than one indicates that the country has comparative advantage in exports of cotton yarn in both the global and Chinese market. The findings also revealed that the nation’s comparative advantage position has decreased in global market while improved in the regional market of China. Furthermore, based on the approximation of restricted LA/AIDS model, the results affirmed that the exports of cotton yarn had high own-price sensitivity with negative signs, whereas cross-price sensitivity with positive signs. With regards to Pakistan’s exports, estimates of cross-prices indicate that China’s imports of yarn from Pakistan are substitutable for imports of yarn from India and the USA. In addition, the expenditure elasticity for India and US cotton yarn is greater than one, indicating that China viewed their exports of cotton yarn as quality good. On the other hand, the expenditure elasticity for Pakistan’s is less than one, but close enough to one, which reflects the cut-off point for exports of quality goods. Pakistan, therefore, needs to produce cotton yarn more efficiently by reducing costs and enhancing the reputation of quality to increase exports and market share.
本研究采用揭示性比较优势(RCA)、揭示性对称比较优势(RSCA)和Vollrath指数来衡量巴基斯坦棉纱在世界范围内的出口竞争力。与此同时,巴基斯坦的出口竞争力是用中国的比较优势指数来评估的。中国是世界上最大的棉纱消费国,也是巴基斯坦的主要出口目的地。此外,采用线性近似的几乎理想需求系统(LA/AIDS)来预测1991-2019年期间中国市场棉纱出口(巴基斯坦、印度和美国)的需求关系。RCA指数值大于1表明该国在全球和中国市场上的棉纱出口都具有比较优势。研究结果还显示,中国在全球市场的比较优势地位有所下降,而在中国区域市场的比较优势地位有所提高。此外,基于受限LA/AIDS模型的近似,结果证实棉纱出口具有较高的负自身价格敏感性,而具有较高的正交叉价格敏感性。关于巴基斯坦的出口,交叉价格的估计表明,中国从巴基斯坦进口的纱线可以替代从印度和美国进口的纱线。此外,印度和美国棉纱的支出弹性大于1,表明中国认为他们出口的棉纱质量很好。另一方面,巴基斯坦的支出弹性小于1,但足够接近1,这反映了优质商品出口的分界点。因此,巴基斯坦需要通过降低成本和提高质量声誉来更有效地生产棉纱,以增加出口和市场份额。
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引用次数: 0
Entrepreneurial and Survival Motivations in the Informal Food Sector: A Case Study in N’Djamena, Chad 非正规食品行业的创业和生存动机:乍得恩贾梅纳案例研究
IF 2.4 Q3 BUSINESS Pub Date : 2023-12-04 DOI: 10.1177/09721509231212180
Moustapha Abakar Moussa, Recp Yilmaz
This article examines participation in the informal food sector in Chad’s capital city, N’Djamena, by studying the differences between survivalist and opportunistic food vendors. The objective is to determine whether the nuanced approach to participation in the informal food sector proposed by studies conducted in Brazil and India can also be applied to the African context, particularly in N’Djamena, Chad. Using five criteria to differentiate the two groups, four regression models were developed to identify the characteristics most strongly associated with each group. The results show that street food vendors are most likely to be opportunistic and that few vendors are both survivalist and opportunistic. Many similarities were found between the two groups, and both would benefit from a more favourable political environment. The implications of this study are important for street vendors, who face difficult working conditions and social stigma due to their informal work. This study contributes to a better understanding of participation in the informal food sector in Chad and may help guide the development of more equitable and effective policies to support these informal workers.
本文通过研究生存主义者和机会主义食品摊贩之间的差异,考察了乍得首都恩贾梅纳非正规食品部门的参与情况。目的是确定在巴西和印度进行的研究提出的参与非正规粮食部门的细致入微的方法是否也适用于非洲的情况,特别是乍得的恩贾梅纳。使用五个标准来区分两组,开发了四个回归模型来确定与每组最密切相关的特征。结果表明,街头食品摊贩最有可能是机会主义者,很少有摊贩既是生存主义者又是机会主义者。这两个群体之间有许多相似之处,两者都将受益于更有利的政治环境。这项研究的意义是重要的街头小贩,谁面临困难的工作条件和社会耻辱,由于他们的非正式工作。这项研究有助于更好地了解乍得非正规粮食部门的参与情况,并可能有助于指导制定更公平和有效的政策,以支持这些非正规工人。
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引用次数: 0
Does Strategic Planning & Planning Resources Influence the Performance of Financial Institutions? Roles of Managerial Involvement and Institutional Capability 战略规划和规划资源是否影响金融机构的绩效?管理者参与和机构能力的作用
IF 2.4 Q3 BUSINESS Pub Date : 2023-12-01 DOI: 10.1177/09721509231169358
Meseret Ebabu Ejigu
This article examines how does strategic planning & planning resources influence the performance of financial institutions in Ethiopia? Besides this, the study investigates the mediating role of institutional capability & moderating role of managerial involvement. The study used cross-sectional research that relied on survey. This study employs Hierarchical Linear Model (HLM) and MLMED for mediation hypothesis. These data consisted of 142 managers from 35 different financial institutions. This study expands the knowledge edge in the field of strategic management through the discovery that strategic planning affects the performance of financial institutions directly, and indirectly through the mediation of institutional capability and managerial involvement has moderating role on the relationship between strategic planning & financial performance, which has a positive and significant effect. The results of this study have guidance for managers how to configure strategic planning & planning resources to obtain competitive advantage through institutional capability to enhance the performance of financial institutions. Implications of the findings are explained with theoretical contribution; recommendations and future research are discussed.
本文考察了战略规划和规划资源如何影响埃塞俄比亚金融机构的绩效?此外,本研究还考察了制度能力的中介作用和管理者参与的调节作用。该研究采用了基于调查的横断面研究。本研究采用层次线性模型(HLM)和MLMED作为中介假设。这些数据包括来自35家不同金融机构的142名经理。本研究通过发现战略规划直接影响金融机构绩效,拓展了战略管理领域的知识优势,并通过机构能力和管理层参与的中介间接对战略规划与财务绩效之间的关系起调节作用,具有正向显著的作用。研究结果对管理者如何配置战略规划和规划资源,通过制度能力获得竞争优势,提升金融机构绩效具有指导意义。研究结果的含义以理论贡献解释;并对今后的研究提出了建议。
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引用次数: 0
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Global Business Review
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