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Item Do Vaccines’ Announcements Cure Stock Market Volatility? Evidence From the Gulf Cooperation Council (GCC) Markets(Universiti Putra Malaysia, 2022) Elshareif, Elgilani; Kabir, Muhammed; Contu, Davide; Mujahed, MuradItem The Assessment of the Global Financial Crisis on Dubai Financial Market Performance(Springer Science and Business Media B.V., 2017) Jarouf, Ahmed K. Al; Mansoori, Mohammed Al; Nooraddin, Suzan; Elshareif, Elgilani EltahirThe United Arab Emirates (UAE) has implemented its long-term vision 2021. The main goal of this vision is to diversify the economic activity to edge up on the back of non-oil sector, despite the fact that UAE’s economy is considered one of the most diversified economies across the region. The significant drop in oil prices in addition to performances of other global markets represents a challenge for Dubai stock market. This may have an important effect on the share prices of Dubai stock market and its performance. In this chapter, we collect market data for oil prices, US NASDAQ Composite, and DFM from the official website of Dubai Financial Market (www.dfm.ae ) and (www.nasdaq.com ) to explore the patterns of pre-after the global financial crisis performance and to observe the performance of the Dubai financial market in comparison to NASDAQ. We also look at the impact of drop in oil price on the performance of DFM. Our results support that the DFM performed well after the crisis. However, the lower oil prices have reversed this situation. © 2017, Springer International Publishing Switzerland.Item Internal Rate of Return (IRR): A New Proposed Approach(Springer Science and Business Media B.V., 2017) Mujahed, Murad Mohammed; Elshareif, Elgilani EltahirThis study tries to develop a new internal rate of return (IRR) approach assuming constant and positive cash flows. The traditional IRR method is implicitly based on trial and error that needs two initial guesses and slowly converges to the solution. The development so far was based on Newton–Raphson methods that reduce the two guesses to only one guess with quadratic convergence. However, this development has many limitations such as divergence at inflection points and pitfalls like division by zero. The progress of our study so far is to eliminate the initial guess with assumption of equal series of positive cash flows. Further, the expected finding of the new approach will assist practitioners and academics to compute the IRR accurately as the rate of return on the declining balance of the investment, analogous to the YTM on a premium bond and the contract rate on a fully amortized loan. © 2017, Springer International Publishing Switzerland.Item Volatility Persistence and Shock Absorption Capacity of the Malaysian Stock Market(Springer Science and Business Media B.V., 2017) Elshareif, Elgilani Eltahir; Kabir, MuhammedItem The effects of E-learning on students’ motivation to learn in higher education(The Online Learning Consortium, 2021) Elshareif, Elgilani; Mohamed, Elfadil AbdallaThe recent COVID-19 pandemic has forced educational institutions worldwide to adopt e-learning. UAE higher education institutions have implemented e-learning systems and programs to cope with this unprecedented situation. This paper measured the strength of association between key aspects of e-learning systems and programs and students’ motivation to learn in Ajman University (AU). Cronbach’s coefficient alpha was used to test the internal consistency reliability of key aspects of e-learning (EL-8) and students’ motivation to learn (SML-16). Exploratory factor analysis was used to test the validity of, and coherence of patterns in, the data. Parametric and non-parametric methods were used to investigate the strength of association between key aspects of e-learning and students’ motivation to learn in AU. The results indicated that motivation variables were more strongly correlated with both e-teaching materials and e-assessments key aspects relative to others such as e-discussion, and e-grade checking and feedback. © 2021, The Online Learning Consortium. All rights reserved.Item Transitioning to a Unified Global Currency(Association for Computing Machinery, 2020-10-01) Sheijani, Behzad Mehrpour; Elshareif, Elgilani; Lewis, AlfredThis paper discusses the advent of a new currency platform HBAR based on Hedera network. The superiority of this new platform is compared with the existing Bitcoin and Ethereum platforms. Significant differences in terms of security, cost and operational efficiencies are highlighted. Currency valuations based on the prevailing US Dollar is discussed which benefits from the current regimes of multiple monetary systems and practices. The transition to a unified global currency is expounded with the transition to a digital currency which will eliminate the consideration for currency devaluations and accompanying variations in foreign exchange rates given that the digital currency will be based on a steady state thus eliminating the need for future value considerations. © 2020 ACM.Item The Impact of E-Wallet on ADNOC's Customer Satisfaction(Association for Computing Machinery, 2020-10-01) Argimbayeva, Gaukharay; Menasria, Ines; Elshareif, Elgilani; Lewis, AlfredThis paper analyzes the effects of E- Wallet on Abu Dhabi National Oil Company (ADNOC) customers' satisfaction. A comprehensive discussion of the various services provided by ADNOC was presented to capture related and unrelated product offerings. Given that the primary offering is fueling, ADNOC also provides services such as lubrication, car wash options and tire centers. The ADNOC stations also have alliances with the food and beverage industry such as McDonald's corporation, Costa Coffee as well as Starbucks. Given that this paper presents the first study of ANDOC's utilization of the E-Wallet and customer satisfaction, results from other industries were reviewed to establish an overview of customers' utilization of E-Payment facilities. For this study a survey was administered to solicit responses from ADNOC's customers to ascertain the satisfaction level of the utilization of the E-Wallet. Coefficient alpha was used to measure the internal consistency reliability of both E-wallet and Customer Satisfaction subsets. The research paper also used Pearson's correlation coefficient to assess the degree of possible relationship between the Pearson's correlation coefficient. Coefficient alpha was 0.85 and 0.95 for E-wallet and Customer Satisfaction respectively. Pearson's correlation coefficient test was 0.815 indicates that there is strong relationship between Pearson's correlation coefficient. The finding is expected to help ADNOC management to better understand the concept of "know your customers". © 2020 ACM.Item Re-shaping Financial Mechanisms in the Context of Technological Innovation(Association for Computing Machinery, 2020) Chaouch, Yasmina; Elshareif, Elgilani; Lewis, AlfredThis paper discusses the ability of technology to reshape and enhance some financial mechanisms in the Banking industry for example in terms of operational dynamics and the strategy formulation process. We further investigate circumstances under which banks' different segments can be affected by advances in technological potential compared to the customary banking processes and traditions. There are two major limitations of the traditional financial money arbitrage transaction systems, the time factor and resultant high level of potential foreign exchange risk and overall risk exposure. The proposed new system centers on currency arbitrage transactions and currency exchange transactions along with the high volume of currency trading. The objective of the new proposed system is to assess the quality and power of electronic business processes within the financial-Tech industry. We expect the new proposed model to be more productive in terms of minimizing the time factor and risk. © 2020 ACM.Item Estimating risk premium and volatility persistence in Malaysian stock market(Inderscience Enterprises Limited, 2017) Elshareif, Elgilani; Kabir, MuhammedExternal shocks induced volatility, and persistence of the volatility has been examined for the Malaysian stock market using a model where risk-return trade-off has been incorporated. In the current study, the stock market index has been disaggregated into four different sub-sectors which have provided an opportunity to compare and contrast the inter-sectoral variance in response to external shocks and persistence of the effects of these shocks. The sectoral breakdown provides a deeper insight into the dynamic adjustment mechanism which is invariably masked in studies that use the aggregate data. This paper also finds that the risk premium coefficient is positive and statistically significant and thus concludes that the Malaysian stock return is influenced by conditional variance. More precise estimation of volatility is a pre-requisite for designing policy measures to smooth out fluctuations in stock indices, and consequently encouraging investment not only in the stock market but also in the real economy has far reaching consequences. The results have significance also for portfolio managers and investors who are managing funds to optimise risk-adjusted returns.Item Simulation estimation of goodness-of-fit test for right skewed distributions(Asian Network for Scientific Information, 2017) Elobaid, Rafida M.; Elshareif, ElgilaniObjective: This study derives a goodness-of-fit test based on chi-square statistic using simulation and examines the values of the χ2 test statistic behavior with the level of skewness for two different distributions, namely chi-square and inverse Gaussian. Methodology: For this purpose, simulation estimation was conducted to generate random numbers from different skewed distributions. Different sample sizes and skewness values were considered and the corresponding values of the χ2 test statistic were derived. Results: The results show a statistically significant evidence for an inverse relationship between the value of χ2 test and the level of skewness for all distributions, i.e. the value of χ2 test statistic decreases as the value of skewness increases and vice versa. The research results also show that the method, estimation by simulation, produces an estimator which is shown to have asymptotic assumed distribution with large sample size. Conclusion: These results are relevant to theories in which shape and skewness measure can be used to determine the validity of the assumed right skewed distribution to fit the data well. The results also have practical implications for portfolio managers who are managing funds to optimize risk-adjusted performance and individual investors who prefer positive skewness in rates of return. © 2017 Rafida M. Elobaid and Elgilani Elshareif.Item The impact of volatility shifts on market efficiency : the case of four emerging southeast Asian stock markets(Inderscience Enterprises Ltd., 2015) Tan, Hui-Boon; Wong, M.-F.; Elshareif, ElgilaniThe purpose of this paper is to analyse the behaviour of four Southeast Asian stock markets during the intervals of high uncertainties that accompany crises. Our analysis emphasises the effect of unexpected volatility shifts on market efficiency of the four emerging Southeast Asian markets over the past two decades. The purpose of this study is achieved through the iterated-cumulative-sum-of-squares-in-volatility (ICSS-EGARCH-M) model, a new approach in market efficiency studies. The empirical results of this study support rejection of the efficient market hypothesis for these markets, even when unexpected volatility shifts are integrated in the models. The results also provide significant empirical evidence for a positive risk-return tradeoff in the stock markets. Moreover, the stock markets are revealed to be more sensitive to global events than local. Except for the Philippines, asymmetrical responses to good and bad news are also part of the market behaviour for the markets. Copyright © 2015 Inderscience Enterprises Ltd.Item Designing a generic information systems audit framework to improve the quality of audit in higher education(Science Publications, 2019) Mohamed, Elfadil A.; Elshareif, Elgilani; Mohamed, Omer Ishag EldaiThere are some similarities between Financial Statement Audit (FSA) and Information Systems Audit (ISA). FSA is an examination of the reliability and integrity of financial statement records, whereas ISA is a review and evaluation of the controls, risks and system development within an information systems infrastructure to ensure that the safeguards protect against abuse, protect assets, maintain data integrity and operate effectively to achieve the organization's objectives. Decision makers need to ensure a reliable collection and evaluation of the evidence of an organization's information systems, practices and operations. Data manipulation can be caused by external or internal threat. Internal manipulation threat is the most dangerous because it is committed by authorized personnel, which makes it very difficult to detect. In particular, the framework introduces an anomaly detection technique, a data mining method, to determine if the suspected transactions arose from internal or external threats. Once the suspected transactions are identified, procedures and monitoring controls will be in place to minimize each threat. The proposed framework is expected to help university and ministry of higher education managers at all levels to make vital decisions based on reliable and accurate information. © 2019 Elfadil A. Mohamed, Elgilani El. Elshareif and Omer Ishag Eldai Mohamed.