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Impact of a free trade agreement on unemployment and productivity growth in Nigeria 自由贸易协定对尼日利亚失业和生产力增长的影响
Pub Date : 2024-04-19 DOI: 10.55214/jcrbef.v6i1.919
Oluwaseun Adeniran Sunday, Hamisu Ali, Ikeh Frank Emeka
This research investigates the impact of a free trade agreement on unemployment and productivity growth in Nigeria over the period 1981–2019. Data was collected from the World Bank Development Indicators (WDI) online database as of 2020. The study employed various analytical methods, including unit root tests, autoregressive distributed lag (ARDL) bound tests, error correction models (ECM), and cumulative sum (CUSUM) and cumulative sum of squares (CUSUMSQ) tests to assess data stability. The ARDL bound test statistics (F-statistics) of 4.26914 and 7.680624 exceeded the critical values for both I(0) and I(1) bounds, indicating a meaningful relationship between the variables. In the long run, physical capital, human capital development, and economic growth were found to have a negative impact on unemployment, with statistical significance. Additionally, sectoral productivity growth negatively influenced aggregate productivity growth. The error correction model (ECM) indicated a weak speed of adjustment, suggesting that the disequilibrium takes around 13% of the time to return to equilibrium annually. Based on these findings, the study recommends the implementation of safeguards to protect vulnerable industries, particularly in manufacturing and agriculture. Additionally, the government should focus on fostering human capital development by ensuring the availability of suitable support measures.
本研究调查了 1981-2019 年间自由贸易协定对尼日利亚失业率和生产率增长的影响。数据收集自世界银行发展指标(WDI)在线数据库(截至 2020 年)。研究采用了多种分析方法,包括单位根检验、自回归分布滞后(ARDL)约束检验、误差修正模型(ECM)以及累计总和(CUSUM)和累计平方和(CUSUMSQ)检验,以评估数据的稳定性。ARDL 边界检验统计量(F 统计量)分别为 4.26914 和 7.680624,超过了 I(0) 和 I(1) 边界的临界值,表明变量之间存在有意义的关系。从长期来看,物质资本、人力资本发展和经济增长对失业率有负面影响,且具有统计学意义。此外,部门生产率增长对总体生产率增长也有负面影响。误差修正模型(ECM)显示调整速度较慢,表明失衡每年需要约 13% 的时间才能恢复平衡。基于这些发现,研究建议实施保障措施,保护弱势产业,尤其是制造业和农业。此外,政府应通过确保提供适当的支持措施,重点促进人力资本发展。
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引用次数: 0
Leadership styles and employee engagement in the food industry of MSME's 中小微企业食品行业的领导风格与员工敬业度
Pub Date : 2023-07-05 DOI: 10.55214/jcrbef.v5i2.211
Henry Ifeanyichukwu Njoku, Raflyn Manuel Guillermo
The aim of this study is to determine what leadership styles provide the best employees' work engagement in the food industry of La Trinidad. A quantitative method of research and particularly the descriptive analysis was used. The researcher used median, weighted mean, grand weighted mean, and standard deviation. The primary mode of data gathering was through the use of questionnaires. The questionnaires were formulated based on the review of related literature and approved by four experts. With this, information is incorporated into a research paradigm. In this framework the dependent variable is placed against the independent variable. Results show that a relationship-oriented style of leadership is dominant in the La Trinidad food industry and that there is a high level of employee work engagement. Leadership style of management showed a strong correlation with employee engagement. It was also found out that the leadership style of management can create a challenge for employees which will either decrease or increase employee engagement. When analyzed deeper, it was found out that the relationship-oriented style of leadership produced the most level of employee engagement. With this, leaders are recommended to develop leadership attributes that promote and build connections with employees.
本研究的目的是确定什么样的领导风格提供了最好的员工在特立尼达的食品行业的工作投入。定量的研究方法,特别是描述性的分析被使用。研究人员使用中位数、加权平均值、大加权平均值和标准差。数据收集的主要方式是通过使用问卷。问卷是在查阅相关文献的基础上制定的,经4位专家审定。这样,信息就被纳入了研究范式。在这个框架中,因变量与自变量相对立。结果表明,以关系为导向的领导风格在特立尼达食品行业占主导地位,员工的工作敬业度很高。领导风格与员工敬业度有很强的相关性。研究还发现,管理的领导风格会给员工带来挑战,这会降低或增加员工的敬业度。深入分析后发现,以关系为导向的领导风格产生了最高水平的员工敬业度。因此,建议领导者培养能够促进和建立与员工联系的领导特质。
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引用次数: 0
A conceptual approach to the strategies and steps of digital marketing 数字营销策略和步骤的概念方法
Pub Date : 2023-05-31 DOI: 10.55214/jcrbef.v5i2.205
Yakup Durmaz, Remziye Ela Akan
The aim of this study is to create a broad conceptual framework for emerging digital marketing tools and stages. A theoretical-based study of the concept of Digital Marketing and its digital marketing tools was conducted using journal articles, academic resources, books, and reliable internet sources. In light of this information, information is synthesized into a conceptual framework. In this framework, information about the basic principles and components of the concept of digital marketing is placed. Digital marketing and social media marketing have been proven to have many benefits for both suppliers and retailers. For suppliers, helping to enhance brand loyalty for retailers is another important finding, while benefiting from improving customer relationships. Digital marketing, the new face, and invention of marketing has become important to study the stages and methods of digital marketing to adapt and adapt to technology in changing global conditions. Businesses can increase their chances of success in a turbulent, chaotic, changing global digital environment by understanding the new global digital reality and focusing on new marketing rules. At this point, it will be inevitable that those who use technology well will catch success. It is clear that implementing digital marketing steps will provide a huge long-term advantage.
本研究的目的是为新兴的数字营销工具和阶段创建一个广泛的概念框架。利用期刊文章、学术资源、书籍和可靠的互联网资源,对数字营销概念及其数字营销工具进行了基于理论的研究。根据这些信息,信息被合成为一个概念框架。在这个框架中,关于数字营销概念的基本原则和组成部分的信息被放置。数字营销和社交媒体营销已经被证明对供应商和零售商都有很多好处。对于供应商来说,帮助零售商提高品牌忠诚度是另一个重要发现,同时也能从改善客户关系中获益。数字营销,营销的新面孔和发明对于研究数字营销在不断变化的全球条件下适应和适应技术的阶段和方法变得重要。企业可以通过了解新的全球数字现实和关注新的营销规则,在动荡、混乱、不断变化的全球数字环境中增加成功的机会。在这一点上,那些善于利用技术的人将不可避免地获得成功。很明显,实施数字营销步骤将提供巨大的长期优势。
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引用次数: 1
An overview of technical analysis in systematic trading strategies returns and a novel systematic strategy yielding positive significant returns 系统交易策略收益的技术分析综述,以及一种产生显著正收益的新型系统策略
Pub Date : 2023-05-09 DOI: 10.55214/jcrbef.v5i1.204
Marco Basanisi, Roberto Torresetti
This paper contributes to the literature on systematic trading strategies, in particular technical analysis profitability. We measure the profitability and forecasting power of a trend following strategy implemented in Python on a wide perimeter (205 European stocks, 11 industries, 7 major stock exchanges) over 8 years: from 2015 to 2022. The strategy signal is based on 4 moving averages and a trailing stop loss. We also introduce a mechanism based on trailing upper and lower price bounds to avoid false signals and limit transaction costs during lateral movements. We calibrate the iper-parameters to all stocks belonging to the same industry. The returns of the strategy applied to the constituents of the top performing industries provides a total return of 20% net of transaction costs, with an annualized Sharpe ratio of 0.54, in the out of sample time window from 2020 to 2022.
本文对系统交易策略,特别是技术分析盈利能力的研究做出了贡献。我们衡量了在Python中实施的趋势跟踪策略的盈利能力和预测能力,时间跨度为8年(从2015年到2022年),涉及范围广泛(205只欧洲股票,11个行业,7个主要证券交易所)。策略信号是基于4个移动平均线和跟踪止损。我们还引入了一种基于跟踪价格上限和下限的机制,以避免错误信号并限制横向运动中的交易成本。我们将iper参数校准为属于同一行业的所有股票。在2020年至2022年的样本外时间窗口内,将该策略应用于表现最佳行业的成分股,其净交易成本的总回报率为20%,年化夏普比率为0.54。
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引用次数: 0
Reviving economic recession and the role of insurance companies in Nigeria 尼日利亚经济衰退的复苏和保险公司的作用
Pub Date : 2023-01-10 DOI: 10.55214/jcrbef.v5i1.195
Akeem Oladeinde Raji, Ayodeji Najeem Isiaka, Olufawo Henry Siji
The persistent occurrence of poor economic condition and economic recession has put the policy makers on the possible and appropriate approaches to tackle the economic problem. Despite the efforts expended both empirically and theoretically to curb the menace, the economy is still vulnerable to macroeconomics shocks. Therefore, this study investigated the role of insurance companies on revival of reviving economic recession in Nigeria. The study covers the period of 25 years from 1996 to 2020 and data were gathered from CBN statistical bulletin, 2020 edition. Data on economic recession was represented with dummy variable such that “0” represents the period of positive economic growth rate while “1” represents the period of negative growth rate. Data on insurance investment, insurance asset, number of insurance companies and insurance contribution to GDP were considered to measure insurance performance. The model was specified with Ordinary Least Square and multiple regression methods. It was shown that insurance asset, insurance investment and insurance performance were found to statistically significant while numbers of insurance companies were found to statistically insignificant. The result revealed that insurance asset is not capable of reducing economic recession during the period under review but insurance investment, insurance performance and numbers of insurance companies have proven to be sufficient tools to reduce economic recession. Based on these findings, the study concluded that insurance companies played a significant role in reviving poor economic condition. The study recommended that adequate attention should be given to insurance companies in order to fulfill their full potential.
经济状况不佳和经济衰退的持续发生,促使决策者思考解决经济问题的可能和适当的方法。尽管从经验和理论上都在努力遏制这种威胁,但经济仍然容易受到宏观经济冲击的影响。因此,本研究调查了保险公司在尼日利亚经济衰退复苏中的作用。研究时间为1996年至2020年,共25年,数据来源于CBN统计公报2020年版。经济衰退数据用虚拟变量表示,“0”表示经济正增长时期,“1”表示经济负增长时期。衡量保险绩效的数据包括保险投资、保险资产、保险公司数量和保险对GDP的贡献。采用普通最小二乘法和多元回归方法对模型进行了拟合。结果表明,保险资产、保险投资和保险业绩具有统计学意义,而保险公司数量具有统计学意义。结果表明,在本研究期间,保险资产无法缓解经济衰退,但保险投资、保险业绩和保险公司数量已被证明是缓解经济衰退的充分工具。基于这些发现,该研究得出结论,保险公司在重振低迷的经济状况方面发挥了重要作用。该研究建议,应给予保险公司足够的重视,以充分发挥其潜力。
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引用次数: 2
Is IPO Underpricing a Corporate Strategy? IPO定价过低是企业策略吗?
Pub Date : 2022-11-25 DOI: 10.55214/jcrbef.v4i4.190
W. Hua
To determine whether Initial Public Offering (IPO) underpricing is a corporate strategy and could improve a firm’s long-run performance, I investigate whether IPO underpricing could promote or impede a firm’s innovation productivity. I use the firms listed in China’s Growth Enterprise Market (GEM) during the period from October 2009 to February 2017. The results of Ordinary Least Sqaure (OLS) show that underpricing is negatively related to innovation productivity, measured as the number of patents. It suggests that managers or underwriters only care about the immediate return and capital accumulation from IPO, rather than a firm’s future growth. Managerial myopia is detrimental to a firm’s long-term survival and development. Difference-in-Difference (DiD) methodology further establishes causality between underpricing and the number of patents, which compares the difference in the number of patents between the three-year window before IPO and after IPO.This probably suggests that IPO underpricing is not an active strategy to target long-term survival and growth. Industry and IPO suspension are also included to solve the effect from unobservable shock on the firm’s innovative capability. My future study could expand to discuss the channel through IPO affect the firm’s innovation productivity.
为了确定首次公开募股(IPO)定价过低是否是一种企业战略,并能改善企业的长期绩效,我研究了IPO定价过低是否会促进或阻碍企业的创新生产率。我使用的是2009年10月至2017年2月期间在中国创业板上市的公司。普通最小二乘(OLS)结果显示,定价过低与创新生产率(以专利数量衡量)呈负相关。这表明管理者或承销商只关心IPO的即时回报和资本积累,而不是公司的未来增长。管理短视不利于企业的长期生存和发展。差分法(DiD)进一步确定了定价过低与专利数量之间的因果关系,该方法比较了IPO前和IPO后三年窗口期间专利数量的差异。这可能表明,IPO定价过低并不是一种以长期生存和增长为目标的积极策略。为了解决不可观察性冲击对企业创新能力的影响,还考虑了行业和IPO暂停。我未来的研究可以扩展到讨论通过IPO的渠道对企业创新生产力的影响。
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引用次数: 1
Effect of Ownership Structure and Performance of Listed Conglomerates Firms in Nigeria 股权结构对尼日利亚上市企业集团绩效的影响
Pub Date : 2022-11-07 DOI: 10.55214/jcrbef.v4i3.189
S. Suleiman, K. Abdullahi
This study analyses the effect of ownership structure and performance of listed conglomerates on the Nigeria Stock Exchange. Over the years manufacturing firms in Nigeria had been faced with liquidity risk, risk of opportunity loss, overcapitalization, undercapitalization, and longer cash conversion cycle. The secondary data used is obtained from six selected manufacturing firms listed on the Nigeria stock exchange for the period of five years 2016-2020. The objective of the study is to analyze the effect of ownership structure and performance. Return on Assets is used as a measure of firm performance while the account receivable days, inventory days, account payables, and total sales are used as measures of ownership structure. The first and third hypothesis is tested using correlation and regression, and the second hypothesis is tested using Analysis of Variance (ANOVA). The study revealed that there is a positive significant relationship between total sales and return on assets and a negative significant relationship between account receivable days, inventory days, account payables, return on assets. This indicates that an increase in account receivable days, inventory days, and account payable will lead to a decrease in return on assets and vice versa. Therefore, to meet the firms' objectives, which are to increase profits and create better investor value, an adequate ownership structure should be maintained and each of its different components should be effectively and efficiently managed and controlled.
本文分析了股权结构和尼日利亚证券交易所上市企业集团绩效的影响。多年来,尼日利亚的制造企业一直面临着流动性风险、机会损失风险、资本过剩、资本不足和较长的现金转换周期。所使用的二级数据是从尼日利亚证券交易所上市的六家选定的制造公司获得的,为期五年2016-2020年。本研究的目的是分析股权结构对绩效的影响。资产收益率被用作衡量公司业绩的指标,而应收账款天数、存货天数、应付账款和总销售额被用作衡量所有权结构的指标。第一个和第三个假设使用相关性和回归进行检验,第二个假设使用方差分析(ANOVA)进行检验。研究表明,总销售额与资产收益率之间存在显著的正相关关系,而应收账款天数、库存天数、应付账款、资产收益率之间存在显著的负相关关系。这表明应收帐款天数、存货天数和应付帐款天数的增加将导致资产回报率的减少,反之亦然。因此,为了满足公司的目标,即增加利润和创造更好的投资者价值,应该保持适当的所有权结构,并且应该有效和高效地管理和控制其每个不同的组成部分。
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引用次数: 0
Liquidity Pricing Risk and Crude Oil Market: Analyzing the Liquidity as a Priced Factor in Yields during the Pandemic Uncertainty 流动性定价风险与原油市场:大流行不确定性期间流动性作为收益率定价因素的分析
Pub Date : 2022-10-20 DOI: 10.55214/jcrbef.v4i3.183
Jawad Saleemi
The liquidity risk can impact the transaction execution with the significant losses. In the crude oil market, this work examines the market liquidity as a priced risk factor in yields. This area may considerably matter to be investigated, while an unprecedented slump is observed in the crude oil price during the pandemic period. The analysis is derived through the time series and multivariate algorithm methods. Pre-pandemic uncertainty and in the era of easing coronavirus-related restrictions, the liquidity was not priced in returns of the same trading session. In the period of economic restrictions, the crude oil trading was exposed to the liquidity risk for the same trading session. This risk was compensated by a premium return in environments of price uncertainty. In this debate, the liquidity risk was a priced risk factor in yields. Evidence from the VAR findings reports, that the past time series of the liquidity was priced in returns before the pandemic crisis takes place. Post-easing economic restrictions and in the era of pandemic-related restrictions, the past times series of the liquidity was not priced in returns. This quantification of the market liquidity may be more applicable for the liquidity risk management in the crude oil market.
流动性风险会影响交易的执行,造成重大损失。在原油市场中,本研究考察了市场流动性作为收益率的定价风险因素。这一领域可能非常值得调查,而在大流行期间,原油价格出现了前所未有的暴跌。通过时间序列和多变量算法方法进行了分析。在大流行前的不确定性和放松冠状病毒相关限制的时代,流动性没有以同一交易日的回报来定价。在经济限制时期,原油交易面临同一交易时段的流动性风险。在价格不确定的环境中,这种风险被溢价回报所补偿。在这场辩论中,流动性风险是收益率的一个定价风险因素。VAR调查结果的证据表明,在大流行危机发生之前,流动性的过去时间序列已在回报中定价。在放宽经济限制之后以及与大流行有关的限制时期,过去的时间序列的流动性没有反映在回报中。这种对市场流动性的量化可能更适用于原油市场的流动性风险管理。
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引用次数: 1
The Effect of Natural Resources on Economic Growth in West Africa: The Mediating Role of Human Capital Disaggregation 西非自然资源对经济增长的影响:人力资本分解的中介作用
Pub Date : 2022-05-23 DOI: 10.55214/jcrbef.v4i2.172
C. Bah, Mohamed Ouédraogo
The purpose of this paper is to examine the conditional impacts of natural resources on economic growth through human capital development. This study employs Dynamic Ordinary Least Squares (DOLS) and Vector Error Correction Model (VECM) methodologies in a panel dynamic analysis. The research demonstrates that natural resources and trade openness are the key contributors to lower economic growth. On the other hand, labour force, physical capital, and human capital development measures are effective in boosting growth. Furthermore, the estimates are much higher in the model of tertiary school enrolment (TSE) than in the model of secondary school enrolment (SSE). This means that TSE performs better than SSE in terms of augmenting natural resources to improve growth. From a policy aspect, governments in such nations should devise policies that will improve human capital. The emphasis must be on improving tertiary education quality.
本文的目的是通过人力资本开发来考察自然资源对经济增长的条件影响。本研究采用动态普通最小二乘(DOLS)和向量误差修正模型(VECM)方法进行面板动态分析。研究表明,自然资源和贸易开放是经济增长放缓的主要原因。另一方面,劳动力、物质资本和人力资本开发措施对促进增长是有效的。此外,高等学校入学模型(TSE)的估计值远高于中等学校入学模型(SSE)。这意味着,在增加自然资源以促进增长方面,东京证交所的表现优于上交所。从政策方面看,这些国家的政府应该制定改善人力资本的政策。重点必须放在提高高等教育质量上。
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引用次数: 0
Impact of Production, Consumption Capabilities and Human Capital Capacity on the National Wealth of China 生产能力、消费能力和人力资本能力对中国国民财富的影响
Pub Date : 2022-02-28 DOI: 10.55214/jcrbef.v4i1.169
Jing-Xuan Chan, Liao Zhang
The recent improvement of China’s national income has been a global phenomenon due to the uncertain financial and economic conditions. Hence, the current research investigates the impact of production and consumption capabilities and human capital capacity on the national wealth of China. This study uses secondary data from secondary sources, including the World Bank Indicators (WDI), from 1991 to 2020 to examine the stationarity of the constructs using the augmented Dickey–Fuller (ADF) test. It also investigates the association among the variables using the autoregressive distributed lag (ARDL) model. The results revealed that production and consumption capabilities and human capital capacity are significantly and positively linked with the national wealth of China. This study provides guidelines for regulators as they establish policies regarding national income improvement using production, consumption, and human capital factors.
由于金融和经济环境的不确定性,最近中国国民收入的提高是一个全球现象。因此,本研究考察了生产和消费能力以及人力资本能力对中国国民财富的影响。本研究使用1991年至2020年的二手数据,包括世界银行指标(WDI),使用增强的Dickey-Fuller (ADF)检验结构的平稳性。本文还研究了使用自回归分布滞后(ARDL)模型的变量之间的关联。结果表明,生产消费能力和人力资本能力与中国国民财富呈显著正相关。本研究为监管者制定利用生产、消费和人力资本因素提高国民收入的政策提供了指导。
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引用次数: 0
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Journal of Contemporary Research in Business, Economics and Finance
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