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  1. Home
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Browsing by Author "Igboanusi, C. C."

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    A comparative analysis of productivity and fare variations of Nigerian Airlines
    (U. P., 2017) Ejem, E. A.; Ekeugo, D. N.; Dike, C. U.; Chukwu, O.; Igboanusi, C. C.; Erumaka, O.
    This paper examined productivity variations occurring among different airlines In the study, quantitative techniques such as The pair-wise t-test was utilized in the analysis of the available seat kilometrage (ASK) performed by the various airlines within the study period. The study shows that, there were significant relationships between aircraft utilization, passengers operation and airline productivity, at 0.05 level. The relationship between fare and productivity was statistically insignificant at 0.05 level. There were also productivity variations occurring between different airlines selected for the study. We recommend that efforts should be made to quicken the time spent on the ground by aircrafts of various airlines operating in Nigeria, as less time spent by aircraft on the ground enhances aircraft utilization, which will in the main, boast productivity.
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    Analysis of air traffic capacity in Nigrian airports
    (KY, 2017) Ejem, E. A.; Ibe, C. C.; Dike, D. N.; Chikwendu, D. U.; Igboanusi, C. C.; Chukwu, O. E.
    The paper is aimed at determining the capability of the airside facilities to accommodate aviation operational demand. The USA FAA methodology was utilized for the measurement of airfield capacity in this study. In consideration of the existing runway configuration, runway utilization patterns and 52506 operation counts, Lagos airport domestic wing Nigeria has been determined to have a daily demand ratio (D) of 240 operations and an hourly demand ratio (H) of 20 operations, and thus, an ASV of approximately 63006 operations. Capacity calculations indicated that a Nigerian runway configuration accommodates an ASV of 247, 123 annual operations. Based on the aircraft fleet mix currently utilizing Nigerian airports, this ASV seems appropriate through the planning period. The ASV during the period under study was highest at the domestic wing of Lagos Airport followed International wing of the same airport. Abuja domestic wing was next followed by Port Harcourt domestic wing. It is considered, therefore, that no significant increase to existing peak-hour runway capacity may be possible in the short term although there is spare capacity during the off-peak (shoulder) periods. Nigeria has, in theory, the option of having two additional runways available, to enhance the overall runway capacity of the airport. In practical terms, simultaneous operational use of these runways is unlikely to provide significant and consistent capacity benefits.
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    Analysis of determinants of airlines productivity in Nigeria domestic network
    (U. P., 2017-12) Ejem, E. A.; Ekeugo, C. U.; Dike, D. N.; Chukwu, O.; Igboanusi, C. C.; Erumaka, O.
    This study set out to ascertain the determinants of the productivity of the Nigerian airline industry. The study superficially examined the extent of these determinant factors on airline productivity. In the study, quantitative techniques such as one simple t-test and Friedman’s rank test and were employed. The data used in the study were both secondary and primary data collected from the airline employees and customers (passengers) in selected airlines of MMA and Port Harcourt International airport in Nigeria, using structured questionnaires and oral interviews. The critical factor affecting airline productivity in Nigeria is Sincere and responsive attitude to passenger complaints, with a mean rank of 26.79. This is closely followed by Age of aircraft, with a mean rank of 26.09, and Technical qualities/success to complete a trip, with a mean rank of 24.68. The least factor in order of importance is prompt response of employees of the airline to your request or complaints, with a mean rank of 13.74. Hence certain factors are more critical to airline productivity in Nigeria.
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    Analysis of factors of delay in road construction and other projects in Imo State
    (U. P., 2017) Ejem, E. A.; Dike, D. N.; Njoku, L. C.; Onwuka, U.; Igboanusi, C. C.; Moneke, U. N.
    This paper is aimed at identifying various factors responsible for road construction delays. From literature 165 common factors causing delays were identified. A survey were carried out amongst selected experienced personnel for expert opinion to identify the significant factors causing road construction and other projects delays in Imo State, Nigeria. 436 responses were collected from each of the respondents groups including client, consultant and contractor covering the Senatorial zones of Imo State. The questionnaire responses were analyzed by exploratory factor analysis method, which resulted in identification of 58 common factors causing road construction delays. Results show that that Poor site practices exhibits the highest rotated loading factor 0.950, followed by Contractor selection method of 0.964, Delays in contractor’s progress payment by owner of 0.878, Excessive overtime of 0.959, Design changes by owner or his agent during road construction of 0.867, Uncooperative owners of 0.913, Weather effect of 0.869, Equipment failure of 0.861, Building permits approval process of 0.871, Materials changes in types and specifications during road construction of 0.803 and Transportation delays of 0.892 factor loading in technical, quality management, financing, human resources, changes, contractual relationships, environment, equipment, rules and regulations, materials and scheduling and control factors respectively.
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    Econometric modeling of the impacts of shipping on Nigeria economy
    (Open Access International e-Journal, 2016-01) Nwokedi, T. C.; Okoroji, L. I; Igboanusi, C. C.
    The study is conducted to establish a quantitative relationship (model) between the impacts shipping on the economy of Nigeria and the Gross Domestic Product (GDP) using an econometric method and to test the significance of the impact. The econometric/analytical method of regression analysis was adopted to achieve the objective. Time series data of 10 years were collected on the past contributions of maritime transport to the national output (GDP) from the Central Bank of Nigeria annual statistical bulletin. Hypotheses were tested using t-test. The test showed the rejection of null hypothesis HA and the acceptance of null hypothesis HB to conclude that maritime transport has made significant impact on the Nigerian economy over the period covered by the study.
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    Evaluation of airline service quality attributes: The Nigerian experience
    (U. P., 2017-12) Ejem, E. A.; Dike, D. N.; Igboanusi, C. C.; Ezenwa, A.; Erumaka, O.; Chukwu, O. E.
    Airlines are suffering from such competition. Service quality is typically defined regarding consumer satisfaction. The purpose of this paper is to provide a better understanding of how satisfaction level among passenger with Arik and Aero Airlines is and how its managers can improve their service quality. To reach to achieve this purpose, we have studied different models of service quality measurement and adopted Gronroos model as a comprehensive model, we developed and adopted it to encompass various aspects of airlines’ services. We inclusively inferred that passengers of Arik and Aero are not satisfied with the perceived services and it warns manager to focus on passengers’ expectations. Tangibles, assurance, responsiveness, reliability, empathy, image and technical quality are seven features of the model, and in all of them, passengers feel dissatisfied. Managers should treat employees, improve visual facilities and coordinate all people, departments, and organizations involved with the airline. Finally, with airline must measure passengers’ satisfaction and service quality seasonally to keep the services corresponded with customers’ opinions.
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    Passengers demand model for domestic airline in Nigeria: A case study of Airk Air
    (U. P., 2017) Ejem, E. A.; Ibe, C. C.; Okeudo, G. N.; Dike, D. N.; Ikeogu, C. C.; Igboanusi, C. C.
    In this paper, a passenger demand model for domestic was built. This model considers roles of airline service variables such as; service frequency, aircraft size, ticket price, flight distance, and number of airports in the route. It takes into account the influence of originating passengers in the metropolitan areas. The airport capacity, which has significant impact on service quality in airport and in the airline network, is considered. Researchers confirm importance of originating passengers, finds that, interestingly, airlines’ services in first flight leg are more important, and attracting passengers than those in the second flight leg. Based on study data, it was discovered that DIST, ORIG, DOMI and CAPA has positive individual elasticities of 0.027, 0.654, 0.558 and 1.137 with respect to passenger demand in airline route. This implies that 1% increase in each variable will increase passenger flow by 0.2%, 6.5%, 5.6% and 11.4% respectively in airline routes under study. These findings are helpful for airlines to understand effects of changing services, and also useful for us to quantify benefits of airport expansion projects.
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