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1 – 10 of 427Abhijit Banerjee and Arpita Roy
The paper aims to build the relationship between an entire function of restricted hyper-order with its linear c-shift operator.
Abstract
Purpose
The paper aims to build the relationship between an entire function of restricted hyper-order with its linear c-shift operator.
Design/methodology/approach
Standard methodology for papers in difference and shift operators and value distribution theory have been used.
Findings
The relation between an entire function of restricted hyper-order with its linear c-shift operator was found under the periphery of sharing a set of two small functions IM (ignoring multiplicities) when exponent of convergence of zeros is strictly less than its order. This research work is an improvement and extension of two previous papers.
Originality/value
This is an original research work.
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Liisa Mäkelä, Vesa Suutari, Anni Rajala and Chris Brewster
This study explores whether expatriation type (assigned expatriates (AEs) versus self-initiated expatriates (SIEs)) is linked to job exhaustion via possible differences in…
Abstract
Purpose
This study explores whether expatriation type (assigned expatriates (AEs) versus self-initiated expatriates (SIEs)) is linked to job exhaustion via possible differences in required efforts for their jobs and the rewards they gain from them, and/or the balance between efforts and rewards. Adopting effort–reward imbalance (ERI) and job demands/resources (JD-R) theories, the authors study the possible role of ERI as a mediator between expatriation type and job exhaustion.
Design/methodology/approach
An online survey was carried out in co-operation with two Finnish trade unions, providing representative data from 484 assigned and SIEs. The authors test this study’s hypotheses through latent structural equation modelling, and the analysis was conducted with Stata 17.0 software.
Findings
The results show that ERI between them are correlated with the job exhaustion of expatriates in general and there are no direct links between expatriation type and job exhaustion. The required effort from AEs was higher than that from SIEs though no difference was found for rewards, and the match between effort demands and rewards is less favourable for AEs than SIEs. AEs experienced higher job exhaustion than SIEs because of the higher effort demands and greater imbalance between efforts and rewards.
Originality/value
The study examines the work well-being of two types of expatriates and explores the underlying mechanisms that may explain why they may differ from each other.
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Ali Cheaitou, Sadeque Hamdan and Rim Larbi
This paper aims to examine containership routing and speed optimization for maritime liner services. It focuses on a realistic case in which the transport demand, and consequently…
Abstract
Purpose
This paper aims to examine containership routing and speed optimization for maritime liner services. It focuses on a realistic case in which the transport demand, and consequently the collected revenue from the visited ports depend on the sailing speed.
Design/methodology/approach
The authors present an integer non-linear programming model for the containership routing and fleet sizing problem, in which the sailing speed of every leg, the ports to be included in the service and their sequence are optimized based on the net line's profit. The authors present a heuristic approach that is based on speed discretization and a genetic algorithm to solve the problem for large size instances. They present an application on a line provided by COSCO in 2017 between Asia and Europe.
Findings
The numerical results show that the proposed heuristic approach provides good quality solutions after a reasonable computation time. In addition, the demand sensitivity has a great impact on the selected route and therefore the profit function. Moreover, the more the demand is sensitive to the sailing speed, the higher the sailing speed value.
Research limitations/implications
The vessel carrying capacity is not considered in an explicit way.
Originality/value
This paper focuses on an important aspect in liner shipping, i.e. demand sensitivity to sailing speed. It brings a novel approach that is important in a context in which sailing speed strategies and market volatility are to be considered together in network design. This perspective has not been addressed previously.
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Mohammed B. Lahkim, Gregory J. Skulmoski and Russel E. Bruhn
This paper investigates the integration of leadership training into IT curricula to develop current and future skills needed by the IT job market. The technical and non-technical…
Abstract
This paper investigates the integration of leadership training into IT curricula to develop current and future skills needed by the IT job market. The technical and non-technical skills required for IT professionals are presented and a conceptual model for including leadership training in technical courses is outlined. To implement this model, we adopted the Problem-Based Learning approach to teach an IT course. Qualitative and quantitative data were gathered, through a survey, from 52 undergraduate students in the College of Information Technology at Zayed University. Our results show that our adopted approach was successful in teaching IT skills as well as developing leadership skills. Given these findings, we highlight the importance and feasibility of integrating leadership development on a daily basis within technical courses to develop both the technical and non technical skills required by the job market.
Khalfan Al-Asmi and Venkat Ram Raj Thumiki
Advising systems play an important role not only in the student development process but also in student retention. Academic scholars across the world have been emphasising the…
Abstract
Advising systems play an important role not only in the student development process but also in student retention. Academic scholars across the world have been emphasising the presence of an effective student advising system as one of the requirements of a standard educational set up. To ensure student satisfaction with the advising system, institutions conduct satisfaction studies to monitor the effectiveness of their system and to understand key issues such as influencing factors and the association between demographic and influencing variables. The current paper addresses these key issues. A survey was conducted during Fall 2012 with students from across the GCC at three colleges in Muscat, Oman, to identify the factors influencing student satisfaction with advising system. In our study twenty-six variables were formed into five factors. The results show that student satisfaction with the advising systems is highly influenced by ‘feel good’, ‘critical situations’ and ‘IT’ factors. It was also found that satisfaction is independent of gender but not of the education level: lower level students were found to be more satisfied with advising systems than the students at the higher level. Student satisfaction has a significant positive correlation with training/orientation on advising and perceived quickness in solving students’ problems.
This paper introduces a new mathematical model for analyzing the economic benefits of incorporating the fourth party logistics (4PL), which is a contractor (i.e. agent) for the…
Abstract
This paper introduces a new mathematical model for analyzing the economic benefits of incorporating the fourth party logistics (4PL), which is a contractor (i.e. agent) for the supply chain coordination and construction based on the division of community and the outsourcing development. Based on the physical theory and the wave-particle duality, a supply chain is the special organization whose characteristic has wave-particle duality. The mathematical model enriches the connotation of 4PL and it broadens the thought for 4PL development. Secondly, the proposed mathematical model predicated on transaction costs, is supported by Transaction Cost Theory (TCT) and acts as the theoretical analysis tool of 4PL for coordinating 3-party generic supply chain. Through the model, some trendy conclusions can be drawn to provide theoretical support for 4PL’s practices. Finally, a case illustrates our conclusions.
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The UAE only officially formed in December 1971, now has seven Emirates joined together as a nation under one President. Since its establishment as a sovereign, independent…
Abstract
The UAE only officially formed in December 1971, now has seven Emirates joined together as a nation under one President. Since its establishment as a sovereign, independent country around just 50 years ago, the UAE has accelerated advancement across numerous sectors at notable speed, and science, technology, and Research & Development (R&D) sectors are no exception. Research Management and Administration (RMA) as a profession is in the relatively early stages of being recognised as a distinct and niche skill set; at present, the UAE largely imports experienced international talent to fill RMA roles. However, the country’s strides in progressing R&D infrastructure and goals of elevating ranks from regional to global R&D leader is beginning to generate a legitimate career ladder for RMA professionals across the country. This, paired with the UAE’s commitment to engage more Emirati nationals in the workforce, is cultivating a viable environment for the RMA profession to emerge more significantly from general administration and begin generating a skilled talent pipeline of RMA professionals within the UAE.
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