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The Role of Institutional Quality in the Impact of Oil Rents on Financial Development in Brazil and Norway 巴西和挪威的制度质量在石油租金对金融发展影响中的作用
Q4 Economics, Econometrics and Finance Pub Date : 2021-11-16 DOI: 10.22059/IER.2021.84449
Soheil Roudari, Hamid Jamshidi, Hamidreza Ghasemi, Davoud Ghoreshi
Present study investigates the effect of oil resource rent on financial development through the stock market. In this case, the analysis process has been accomplished in two different states: considering and ignoring the institutional quality index in oil resource rent at the values above and below the financial development threshold. The threshold structural vector autoregression (TSVAR) model has been employed to analyze the stock markets in Norway and Brazil from 1984 to 2019. In Brazil, by ignoring the institutional quality index, the resource curse hypothesis is confirmed at the values below the financial development threshold. If the institutional quality index increases, the positive oil rent shock leads to the increment of the financial development through the stock market. Therefore, the hypothesis of the resource curse is rejected in this country. In Norway, by ignoring the institutional quality, the resource curse hypothesis is confirmed at the values above the financial development threshold. If the institutional quality is considered in oil rent, a positive shock to oil rent reduces the financial development through the stock market in a short-term period. This situation increases the financial development through the stock market in a long-term period. As a result, an increase in the institutional quality contradicts the resource curse hypothesis at the values above the threshold level. In Norway, if the institutional quality in oil rent is considered, a positive shock to oil rent enhances financial development through the stock market at the values below the threshold.
本文通过股票市场考察了石油资源租金对金融发展的影响。在这种情况下,分析过程在两种不同的状态下完成:考虑和忽略石油资源租金高于和低于金融发展阈值的制度质量指标。本文采用阈值结构向量自回归(TSVAR)模型对1984 - 2019年挪威和巴西的股票市场进行了分析。在巴西,忽略制度质量指标,资源诅咒假说在低于金融发展阈值的值下得到证实。如果制度质量指数增加,则正向油租冲击导致通过股票市场进行金融发展的增量。因此,资源诅咒的假说在这个国家被否定了。在挪威,通过忽略制度质量,资源诅咒假设在高于金融发展阈值的值上得到证实。如果考虑到石油租金的制度质量,石油租金的积极冲击在短期内减少了通过股票市场的金融发展。这种情况在长期内增加了金融通过股票市场的发展。因此,在高于阈值水平上,制度质量的提高与资源诅咒假说相矛盾。在挪威,如果考虑到石油租金的制度质量,对石油租金的积极冲击会通过低于阈值的股票市场促进金融发展。
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引用次数: 0
Forecasting Gasoline Consumption in Iran using Deep Learning Approaches 使用深度学习方法预测伊朗的汽油消费量
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83902
Neda Bayat, M. Davoodi, A. Rezaei
Gasoline consumption is one of the challenging issues of energy management in Iran. The deficit of domestic production and the need for imports on one hand, and the impact of its consumption on macro-and micro-economic variables, on the other hand, cause gasoline consumption management has become more important. The more accurate, predicting the trend of gasoline consumption is the more successful consumption management will be. Since gasoline consumption is affected by several parameters and factors, so, forecasting its consumption with high accuracy is difficult. In this paper, one recursive competitive learning method and two deep learning methods are utilized to provide more accurate forecasting of gasoline consumption. Due to the impact of gasoline consumption patterns on the seasonal changes, climate and holidays, different periods are used for training the learning these approaches, and their efficiency is compared in terms of the standard error metrics. The comparison results show the deep learning approaches and the training patterns with 12 months result in more accurate predictions. Finally, using the best approach and obtained setting, the gasoline consumption in Iran is predicted for the next years, which shows that gasoline consumption will grow 22 percent by 2027.
汽油消费是伊朗能源管理中具有挑战性的问题之一。国内生产的赤字和进口的需要,以及其消费对宏观和微观经济变量的影响,另一方面,使汽油消费管理变得更加重要。对汽油消费趋势的预测越准确,消费管理就越成功。由于汽油消耗量受多种参数和因素的影响,因此很难对其消耗量进行高精度的预测。本文采用一种递归竞争学习方法和两种深度学习方法来提供更准确的汽油消费量预测。由于汽油消费模式受季节变化、气候和节假日的影响,采用不同的时间段对这些方法进行训练,并根据标准误差指标对其效率进行比较。对比结果表明,深度学习方法和12个月的训练模式的预测结果更加准确。最后,使用最佳方法和获得的设置,预测了伊朗未来几年的汽油消费量,结果表明,到2027年,汽油消费量将增长22%。
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引用次数: 0
Identifying the Moderating Role of Income Smoothing and Credit Quality towards Corporate Governance and Determinants 识别收入平滑和信贷质量对公司治理的调节作用及其决定因素
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83925
Damian Honey, Safia Nosheen, Saqib Farid
Though studies related to corporate governance shaping risk management are ubiquitous, fathoming income smoothing behavior and credit quality is fundamental to commercial banks, especially pertaining to economies in transition. In this context, we used panel data of eighteen commercial banks of Pakistan including both conventional and Islamic, for the period 2007 to 2017. The concept is supplemented by ownership and board structure as apt indicators of corporate governance and deeming income smoothing and credit quality as moderators is the peculiarity of our study. Surprising to note, our risk management model outperformed regulatory capital and profitability, on the road to monitoring effectiveness. Albeit income smoothing constantly remains a matter of concern, credit quality is imperative for risk management in our case. Hence, based on findings, practitioners are suggested to consider board meetings and block holder ownership with aplomb for monitoring effectiveness of commercial banks of Pakistan. Nonetheless, institutional ownership demands further attention.
尽管与公司治理塑造风险管理相关的研究无处不在,但了解收入平滑行为和信贷质量对商业银行来说是至关重要的,尤其是与转型期经济体有关。在此背景下,我们使用了巴基斯坦18家商业银行的面板数据,包括2007年至2017年期间的传统银行和伊斯兰银行。股权和董事会结构是公司治理的恰当指标,收入平滑和信用质量是我们研究的特色。令人惊讶的是,在监控有效性的道路上,我们的风险管理模式表现优于监管资本和盈利能力。尽管收入平滑一直是一个令人担忧的问题,但在我们的案例中,信贷质量对风险管理至关重要。因此,根据调查结果,建议从业者沉着冷静地考虑董事会会议和区块持有人所有权,以监测巴基斯坦商业银行的有效性。尽管如此,机构所有权需要进一步关注。
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引用次数: 0
An Application of Quantile Regression on the Relationship between Economic Growth and the Quality of Environment in Selected African Countries 分位数回归在部分非洲国家经济增长与环境质量关系中的应用
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83900
A. Jakada, Suraya Mahmood
This study examined the determinants factors of environmental quality by employing a panel quantile regression to incorporate the effects of economic growth on the quality of environment and ascertain the validity of EKC hypothesis within the research background of seven leading African economies over the period 1970 to 2019. The advantage of this method is considering the distributional heterogeneity to provide a detailed description of linkage between the CO2 emissions and driving factors at different emissions levels. The results show that the effects of determinants on CO2 emissions are heterogeneous. Besides, the quantile regression estimate describes the economic growth influence on CO2 emissions to be positive and higher at the 50th quantile than in other classes of quantiles. The square of economic growth tend to have insignificant effect on the 10th and 25th quantile but effect is negative and significant on the 50th , 75th and 90th quantile. This justify the presence of EKC hypothesis on the 50th, 75th and 90th quantile. The empirical results of the study reveal that the EKC hypothesis is supported in these leading African economies. Consequently, policymakers should centre on the heterogeneous effects of driving forces on CO2 emissions in different quantiles during the process of carbon emission reductions.
本研究通过采用面板分位数回归来检验环境质量的决定因素,将经济增长对环境质量的影响纳入其中,并在1970年至2019年期间七个非洲主要经济体的研究背景下确定EKC假说的有效性。这种方法的优点是考虑了分布的异质性,以提供不同排放水平下二氧化碳排放量和驱动因素之间联系的详细描述。结果表明,决定因素对二氧化碳排放的影响是不均匀的。此外,分位数回归估计将经济增长对二氧化碳排放的影响描述为正,并且在第50分位数比其他类别的分位数更高。经济增长的平方往往对第10个和第25个分位数影响不大,但对第50个、第75个和第90个分位数的影响是负的和显著的。这证明了EKC假说在第50、75和90分位数的存在。该研究的实证结果表明,EKC假说在这些领先的非洲经济体中得到了支持。因此,政策制定者应关注碳减排过程中不同分位数的驱动力对二氧化碳排放的异质性影响。
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引用次数: 0
Common Pool Problem: South Pars-North Dome Gas Field 共同气藏问题:South Pars-North Dome气田
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83919
Jalal Dehnavi, Y. Egorov
The aim of this paper is to investigate possible problems of efficiency arising from the joint exploitation of the common gas pool (South Pars - North Dome, the largest natural gas reservoir in the world) by Iran and Qatar. The problem is related to the difference between private incentives and common goals. In the case of non-renewable resources, a Pareto-optimal joint extraction path could exist, but it is unlikely to occur in reality. We studied the difference in incentives for an optimal exploitation path for Iran and Qatar and found that their joint behavior was likely suboptimal from the perspective of the optimal dynamics of gas resource exploitation. In part, this is related to the difference in wealth, and in part to the sanctions against Iran, which have so far not allowed Iran to participate freely in the world market. Considering that the cost of future gas extraction in Russia's northern fields is likely to increase, a delay in the optimal presence of Iranian gas on the world market may lead to a suboptimal sequence of exploitation of various gas fields, which would mean both problems for the profitability of investments in Russia and higher world prices for natural gas in the future.
本文的目的是调查伊朗和卡塔尔联合开发共同气藏(南帕尔斯-北穹窿,世界上最大的天然气储层)可能产生的效率问题。这个问题与私人动机和共同目标之间的差异有关。对于不可再生资源,可能存在帕累托最优联合开采路径,但在现实中不太可能出现。我们研究了伊朗和卡塔尔对最优开采路径的激励差异,发现从天然气资源开采最优动力学的角度来看,他们的联合行为可能是次优的。这一方面与财富的差异有关,另一方面与对伊朗的制裁有关。迄今为止,制裁一直不允许伊朗自由参与世界市场。考虑到未来俄罗斯北部气田的天然气开采成本可能会增加,伊朗天然气在世界市场上的最佳存在的延迟可能会导致各个气田的开发顺序不理想,这将意味着在俄罗斯投资的盈利能力和未来世界天然气价格的上涨。
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引用次数: 0
Should the Loss-aversion Behavior be Significant for Central Bankers? Evidence from Behavioral Economics 对央行官员来说,规避损失的行为是否重要?来自行为经济学的证据
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83924
azadeh talebbeydokhti, A. Erfani
This paper compares the effectiveness of the monetary policy based on conventional utility function and prospect theory. According to prospect theory, in the face of uncertainty, people make decisions based on perceived losses and benefits, so they are more sensitive to losses than to gains of equal size. Achieving this goal, we estimated the DSGE Model for the Iranian economy. The results of Bayesian estimation showed that under prospect theory, the inclusion of the loss-aversion component affects the household consumption behavior, the labor supply, and the real money demand. Also, The results of the Impulse-Response analysis show that an expansionary monetary shock led to an overestimate of inflation expectations due to fear of losses resulting from rising inflation. Hence, under the prospect theory, inflation increases relatively more, and the interest rate decreases with less intensity. Moreover, the more attention to the behavior of loss-aversion agents by policymakers, the less volatility is in macroeconomic variables.
本文比较了基于传统效用函数和前景理论的货币政策的有效性。根据前景理论,面对不确定性,人们会根据感知到的损失和收益做出决定,因此他们对损失比对同等规模的收益更敏感。为了实现这一目标,我们估计了伊朗经济的DSGE模型。贝叶斯估计结果表明,在前景理论下,包含损失厌恶成分会影响家庭消费行为、劳动力供应和实际货币需求。此外,脉冲响应分析的结果表明,由于担心通胀上升带来的损失,扩张性货币冲击导致对通胀预期的高估。因此,在前景理论下,通货膨胀增长相对较多,而利率下降的强度较小。此外,决策者越是关注损失规避主体的行为,宏观经济变量的波动性就越小。
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引用次数: 0
Interaction between Financial Cycles and Business Cycles in Iran: A Bayesian Approach 伊朗金融周期和商业周期的相互作用:贝叶斯方法
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83918
Farkhondeh Soleimani, M. S. Tash, G. Zamanian, R. Zamani
Investigation of effective factors in business cycles in Iran, from 2009:3 to 2018: 3, based on Bayesian approach with emphasis on the effects of financial cycles, is the major purpose of this paper.  At first, using Hodrick-Prescott filter, we extract business and financial cycles, then we study the causal relationship between financial and business cycles, using Granger causality test. There is a two-way causal relationship among the variables (GDP, Tehran Stock Exchange index, land value (per square meter), current government and non-government credits, oil revenues and current government payments), except for the credits and business cycles. Based on Bayesian approach, we found that housing sector cycles has negative and current government payment cycles has positive effect on the business cycles, and both of them are significant. However, Tehran Stock Exchange index, current government and non-government facilities and oil revenues do not have a significant effect on the business cycles.
基于贝叶斯方法,重点研究金融周期的影响,对2009年3月至2018年3月期间伊朗经济周期的有效因素进行调查,是本文的主要目的。首先利用Hodrick-Prescott滤波器提取商业周期和金融周期,然后利用Granger因果检验研究金融周期和经济周期之间的因果关系。除了信贷和商业周期之外,变量之间存在双向因果关系(GDP,德黑兰证券交易所指数,土地价值(每平方米),当前政府和非政府信贷,石油收入和当前政府支付)。基于贝叶斯方法,我们发现住房部门周期对商业周期具有负向影响,当前政府支付周期对商业周期具有正向影响,且两者都显著。然而,德黑兰证券交易所指数、当前政府和非政府设施以及石油收入对商业周期没有显著影响。
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引用次数: 0
The Threshold and Asymmetric Effects of Financial Development on Economic Growth in BRICS Countries: Evidence from Panel Threshold-ARDL 金砖国家金融发展对经济增长的门槛与非对称效应——来自面板门槛ARDL的证据
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83921
M. Abdu, Selvasundaram Kumaravel, Sagathevan Sooriyan
In this paper we study the asymmetric effect and threshold of financial development on economic growth. We present a fresh evidence using the panel threshold-ARDL (Panel-TARDL) model for the 5 BRICS countries including Brazil, Russia, India, China and South Africa. We apply the Pool Mean Group (PMG) procedure for the estimation. The findings reveal that the long run threshold and asymmetric effects of finance taking place once the credit reached 38% of GDP. The financial development significantly improve the economic growth only below the threshold point thereafter the effect becomes negative. We find no significant threshold and asymmetry in the short run. Using a 58% as a threshold we find a negative effect of finance for both the segments of the threshold and no asymmetry is detected. These suggest that any level of credit above 38% of GDP will produce an adverse effect of finance on growth. The Policy implications of these results are also discussed.
本文研究了金融发展对经济增长的非对称效应和门槛。我们使用面板阈值ARDL(panel TARDL)模型为包括巴西、俄罗斯、印度、中国和南非在内的5个金砖国家提供了新的证据。我们应用池平均群(PMG)程序进行估计。研究结果表明,一旦信贷占GDP的38%,金融的长期门槛和不对称效应就会发生。金融发展对经济增长的显著改善仅在阈值以下,此后效果变为负。从短期来看,我们没有发现显著的阈值和不对称性。使用58%作为阈值,我们发现金融对阈值的两个部分都有负面影响,并且没有检测到不对称性。这表明,任何超过GDP 38%的信贷水平都会对金融增长产生不利影响。还讨论了这些结果的政策含义。
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引用次数: 0
A Study on the Efficiency of General Takaful Operators in Malaysia: Post Implementation of IFSA 2013 马来西亚一般回教考试经营者的效率研究:IFSA 2013实施后
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83926
Amirul Afif Muhamat, Mohd Faizal Basri, Muhammad Nizam Jaafar, Dhiya Natasya Aqila Mohd Azlan, N. Zamri
This study aims to measure the efficiency of the general Takaful operators in Malaysia with the selected inputs, labour cost and management fees. On the other hand, the output used is gross contribution. General Takaful operators are the institutions governed by the Islamic Financial Services Act 2013 (IFSA). IFSA 2013 is the key statute governing the Islamic finance sector, which replaced statutes such as the Islamic Banking Act 1983 and the Takaful Act 1984. Based on the annual data gathered from 2014 to 2018 (post implementation of IFSA 2013), the efficiency is analysed using Data Envelopment Analysis (DEA) on four selected institutions in the general Takaful business. DEA results show that Etiqa General Takaful Berhad, Syarikat Takaful Malaysia Am Berhad are considered as the most efficient. The rest of general takaful operators in the sample were deemed technical inefficient. The results also indicate that inefficient institutions including those with the lowest performance which are Takaful Ikhlas General Berhad and Zurich General Takaful Malaysia Berhad have inefficient management in resource utilisation. In conclusion, the findings have confirmed the market share theory and infer to the expense-preference behaviour on the part of the general Takaful operator. Perhaps, the general Takaful operators are posed with an expedient manner trying to satisfy their own benefits. In order to achieve full efficiency, any Takaful operators have to increase its market share segments by increasing its gross income and contribution through developing demand for general Takaful products and mostly on takaful product itself.
本研究的目的是衡量一般回教保险运营商在马来西亚与选定的投入,劳动力成本和管理费用的效率。另一方面,使用的产出是总贡献。一般回教保险运营商是受2013年伊斯兰金融服务法(IFSA)管辖的机构。IFSA 2013是管理伊斯兰金融部门的关键法规,取代了1983年伊斯兰银行法和1984年伊斯兰教法等法规。根据2014年至2018年(IFSA 2013实施后)收集的年度数据,使用数据包络分析(DEA)对一般回教业务中选定的四家机构进行了效率分析。DEA结果显示,Etiqa General Takaful Berhad, Syarikat Takaful Malaysia Am Berhad被认为是最有效的。样本中其余的普通操作人员被认为技术效率低下。结果还表明,效率低下的机构,包括绩效最低的伊斯兰教控股有限公司和苏黎世伊斯兰教控股马来西亚有限公司,在资源利用方面的管理效率低下。综上所述,研究结果证实了市场份额理论,并对普通回教运营商的费用偏好行为进行了推断。也许,一般回教法的经营者都以一种权宜之计的方式试图满足自己的利益。为了达到充分的效率,任何回教经营者都必须通过发展对一般回教产品的需求和主要是对回教产品本身的需求来增加其总收入和贡献,从而增加其细分市场份额。
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引用次数: 0
The Relationship between Risk and Return Based on the Prospect Theory: Case Study of Selected Companies in Tehran Stock Exchange 基于前景理论的风险与收益关系——以德黑兰证券交易所上市公司为例
Q4 Economics, Econometrics and Finance Pub Date : 2021-10-12 DOI: 10.22059/IER.2021.83923
M. Moallemi, Mahboobeh Rahjoo
In most studies, examining the relationship between risk and return, based on the theory of expected utility, an investor has always been considered as a risk-averse person. While the prospect theory considers both risk aversion and investor risk-taking based on existing realities. The innovation of this paper is to consider the separation of risk-taking behavior from rational one of investors (risk aversion). In this paper, the relationship between risk and return based on the prospect theory for companies of four selected industries during 2001-2020 by panel data and panel quantile regression method has been investigated. Investors' behavior in the prospect theory is sensitive to the reference point. In this paper, the average return on industry assets is considered as a reference point. Hence, the selected companies were divided into two groups of companies with asset returns (ROA) above and below the industry average. The result showed that the investor's behavioral model changed relative to the reference point. Investors are risky below the reference point, contrary to traditional theories of utility. Of course, at returns above the reference point, investors will still be risk-averse. Comparing the results of estimation of two methods (panel data and panel quantile) shows that this situation is also true in different risk quantiles. So that, the sign of the relationship between risk and return at the high and low levels of the reference point is compatible with the theoretical foundations. Therefore, the behavior of investors in selected companies follows the prospect theory.
在大多数基于预期效用理论考察风险与收益关系的研究中,投资者一直被认为是风险厌恶者。而前景理论既考虑了风险规避,又考虑了投资者在现实基础上的风险承担。本文的创新之处在于考虑了投资者的风险承担行为与理性行为(风险规避)的分离。本文基于前景理论,采用面板数据和面板分位数回归方法,对2001-2020年4个行业企业的风险与收益关系进行了研究。在前景理论中,投资者的行为对参考点是敏感的。本文以行业资产的平均收益率作为参考点。因此,所选公司被分为两组公司的资产回报率(ROA)高于和低于行业平均水平。结果表明,投资者的行为模式相对于参考点发生了变化。投资者在参考点以下是有风险的,这与传统的效用理论相反。当然,在回报率高于参考点时,投资者仍将厌恶风险。比较两种方法(面板数据和面板分位数)的估计结果表明,在不同的风险分位数上也是如此。这样,在参考点的高低水平上,风险与收益关系的符号与理论基础是相容的。因此,投资者对所选公司的行为遵循前景理论。
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引用次数: 0
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Iranian Economic Review
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