Search results

1 – 10 of over 3000
Per page
102050
Citations:
Loading...
Access Restricted. View access options
Book part
Publication date: 4 December 2020

Abdelkebir Sahid, Yassine Maleh and Mustapha Belaissaoui

Abstract

Details

Strategic Information System Agility: From Theory to Practices
Type: Book
ISBN: 978-1-80043-811-8

Access Restricted. View access options
Article
Publication date: 2 November 2015

Chandan Sharma and Rajat Setia

– This paper aims to examine the relationship between Indian rupee-US dollar exchange rate and the macroeconomic fundamentals for the post-economic reform period.

1067

Abstract

Purpose

This paper aims to examine the relationship between Indian rupee-US dollar exchange rate and the macroeconomic fundamentals for the post-economic reform period.

Design/methodology/approach

The authors have used an empirical model which includes a range of important macroeconomic variables based on the basic monetary theories of exchange rate determination. At the first stage of the analysis, they have tested structural break in the data. Subsequently, they have employed the fully modified ordinary least square, Wald’s coefficient restriction and impulse response functions (IRF) to estimate the monetary model in the long- and short-run horizons.

Findings

Results of analyses indicate that the macroeconomic fundamentals determine exchange rate in a significant way, but their effect varies sizably across the periods. The IRF illustrate the importance of interest rate in controlling exchange rate volatility.

Practical implications

The analysis of the behavior of inter-relationship among macroeconomic variables will help policymakers in a deep-rooted understanding of this complex and time-varying relationship.

Originality/value

Most of the existing studies have tested the impact of a single or a few macroeconomic fundamentals on exchange rate. But in the present study, we have tested the impact of a range of important variables, i.e. money supply, real income or output, price level and trade balance. Further, considering the importance of structural breaks in data, they authors have employed standard tests of structural break and incorporated the issue in the cointegration analysis.

Details

Journal of Financial Economic Policy, vol. 7 no. 4
Type: Research Article
ISSN: 1757-6385

Keywords

Access Restricted. View access options
Article
Publication date: 24 June 2011

Ian Brailsford

The historical study aims to trace moves towards professionalising university teaching in the era of post‐war expansion in higher education using the University of Auckland, New…

771

Abstract

Purpose

The historical study aims to trace moves towards professionalising university teaching in the era of post‐war expansion in higher education using the University of Auckland, New Zealand, as the specific case study.

Design/methodology/approach

The historical analysis draws from published papers and original documents chronicling the state of teaching abilities in New Zealand in the late 1950s and 1960s and also draws from the University of Auckland's own archives.

Findings

University teaching by the early 1970s was no longer a private matter. Facing greater accountability from the New Zealand government and university students over the quality of teaching, New Zealand universities responded by creating professional development units to enhance the teaching capabilities of their academic staff.

Originality/value

This case study adds to the emerging histories of higher education academic and staff development units in Australasia and the United Kingdom. It demonstrates the growing realisation amongst academics, students and policy makers in the 1960s that lecturers could not be entirely left to their own devices given the potential harm poor teaching could have on student performance.

Access Restricted. View access options
Article
Publication date: 1 December 1956

J.P. Morton

AN important factor in the design of a modern high speed aircraft is the time taken to carry out an analysis of the wing structure. The modern tendency is to design wings which…

38

Abstract

AN important factor in the design of a modern high speed aircraft is the time taken to carry out an analysis of the wing structure. The modern tendency is to design wings which contain a large number of spars and ribs, thus giving rise to structural problems of high order redundancy.

Details

Aircraft Engineering and Aerospace Technology, vol. 28 no. 12
Type: Research Article
ISSN: 0002-2667

Access Restricted. View access options
Article
Publication date: 1 August 2016

Hamed Fazlollahtabar

This paper aims to propose a parallel automated assembly line system to produce multiple products in a semi-continuous system.

1828

Abstract

Purpose

This paper aims to propose a parallel automated assembly line system to produce multiple products in a semi-continuous system.

Design/methodology/approach

The control system developed in this research consists of a manufacturing system for two-level hierarchical dynamic decisions of autonomous/automated/automatic-guided vehicles (AGVs) dispatching/next station selection and machining schedules and a station control scheme for operational control of machines and components. In this proposed problem, the assignment of multiple AGVs to different assembly lines and the semi-continuous stations is a critical objective. AGVs and station scheduling decisions are made at the assembly line level. On the other hand, component and machining resource scheduling are made at the station level.

Findings

The proposed scheduler first decomposes the dynamic scheduling problems into a static AGV and machine assignment during each short-term rolling window. It optimizes weighted completion time of tasks for each short-term window by formulating the task and resource assignment problem as a minimum cost flow problem during each short-term scheduling window. A comprehensive decision making process and heuristics are developed for efficient implementation. A simulation study is worked out for validation.

Originality/value

Several assembly lines are configured to produce multiple products in which the technologies of machines are shared among the assembly lines when required. The sequence of stations is pre-specified in each assembly line and the components of a product are kept in machine magazine. The transportation between the stations in an assembly line (intra assembly line) and among stations in different assembly lines (inter assembly line) are performed using AGVs.

Details

Assembly Automation, vol. 36 no. 3
Type: Research Article
ISSN: 0144-5154

Keywords

Access Restricted. View access options
Article
Publication date: 13 September 2018

Orhan Engin and Batuhan Engin

Hybrid flow shop with multiprocessor task (HFSMT) has received considerable attention in recent years. The purpose of this paper is to consider an HFSMT scheduling under the…

394

Abstract

Purpose

Hybrid flow shop with multiprocessor task (HFSMT) has received considerable attention in recent years. The purpose of this paper is to consider an HFSMT scheduling under the environment of a common time window. The window size and location are considered to be given parameters. The research deals with the criterion of total penalty cost minimization incurred by earliness and tardiness of jobs. In this research, a new memetic algorithm in which a global search algorithm is accompanied with the local search mechanism is developed to solve the HFSMT with jobs having a common time window. The operating parameters of memetic algorithm have an important role on the quality of solution. In this paper, a full factorial experimental design is used to determining the best parameters of memetic algorithm for each problem type. Memetic algorithm is tested using HFSMT problems.

Design/methodology/approach

First, hybrid flow shop scheduling system and hybrid flow shop scheduling with multiprocessor task are defined. The applications of the hybrid flow shop system are explained. Also the background of hybrid flow shop with multiprocessor is given in the introduction. The features of the proposed memetic algorithm are described in Section 2. The experiment results are presented in Section 3.

Findings

Computational experiments show that the proposed new memetic algorithm is an effective and efficient approach for solving the HFSMT under the environment of a common time window.

Originality/value

There is only one study about HFSMT scheduling with time window. This is the first study which added the windows to the jobs in HFSMT problems.

Details

Journal of Enterprise Information Management, vol. 31 no. 6
Type: Research Article
ISSN: 1741-0398

Keywords

Access Restricted. View access options
Article
Publication date: 25 April 2024

Sukran Seker

Since conducting agile strategies provides sustainable passenger satisfaction and revenue by replacing applied policies with more profitable ones rapidly, the focus of this study…

168

Abstract

Purpose

Since conducting agile strategies provides sustainable passenger satisfaction and revenue by replacing applied policies with more profitable ones rapidly, the focus of this study is to evaluate agile attributes for managing low-cost carriers (LCCs) operations by means of resources and competences based on dynamic capabilities built on resource-based view (RBV) theory and to achieve sustainable competitive advantage in a volatile and dynamic air transport environment. LCCs in Turkey are also evaluated in this study since the competition among LCCs is high to gain market share and they can adapt quickly to all kinds of circumstances.

Design/methodology/approach

Two well-known Multi-Criteria Decision-Making Methods (MCDM) named as the Stepwise Weight Assessment Ratio Analysis (SWARA) and multi-attributive border approximation area comparison (MABAC) methods by employing Picture fuzzy sets (PiFS) are employed to determine weight of agile attributes and superiority of LCCs based on agile attributes in the market, respectively. To check the consistency and robustness of the results for the proposed approach, comparative and sensitivity analysis are performed at the end of the study.

Findings

While the ranking orders of agile attributes are Strategic Responsiveness (AG1), Financial Management (AG4), Quality (AG2), Digital integration (AG3) and Reliability (AG5), respectively, LCC2 is selected as the best agile airline company in Turkey with respect to agile attributes. SWARA and MABAC method based on PiFS is appropriate and effective method to evaluate agile attributes that has important reference value for the airline companies in aviation industry.

Practical implications

The findings of this study will support managers in the airline industry to conduct airline operations more flexibly and effectively to take sustainable competitive advantage in unexpected and dynamic environment.

Originality/value

To the author' best knowledge, this study is the first developed to identify the attributes necessary to increase agility in LCCs. Thus, as a systematic tool, a framework is developed for the implementation of agile attributes to achieve sustainable competitive advantage in the airline industry and presented a roadmap for airline managers to deal with crises and challenging situations by satisfying customer and increasing competitiveness.

Details

Management Decision, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0025-1747

Keywords

Access Restricted. View access options
Article
Publication date: 3 April 2018

Acácia Gonçalves Ferreira Leal, Rodrigo Luiz Vancini, Paulo Gentil, Ana Amélia Benedito-Silva, Antonio Carlos da Silva, Mário Hebling Campos, Marilia Santos Andrade and Claudio Andre Barbosa de Lira

The purpose of this paper was to assess the knowledge on sport and exercise science held by a sample of Brazilian physiotherapists, nutritionists and physical educators.

567

Abstract

Purpose

The purpose of this paper was to assess the knowledge on sport and exercise science held by a sample of Brazilian physiotherapists, nutritionists and physical educators.

Design/methodology/approach

A cross-sectional research design was used. The answers given by 1,147 professionals (300 physiotherapists, 705 physical educators and 142 nutritionists) who participated in a qualifying process for a specialization course on exercise physiology were analyzed. Questions were analyzed on maximal oxygen uptake (four questions), physical fitness assessment (three questions), physical training (two questions), bioenergetics (one question) and exercise in extreme environments (one question).

Findings

The results revealed misconceptions held by Brazilian health professionals on a number of concepts related to sport and exercise science, such as maximal oxygen uptake.

Practical implications

These results reinforce the need for continuing education programs to maximize the quality of the service provided by sport and exercise science professionals in Brazil. Improvements in the undergraduate courses curriculum are also recommended.

Originality/value

This is the first study to assess misconceptions about sport and exercise science among Brazilian health professionals.

Details

Health Education, vol. 118 no. 3
Type: Research Article
ISSN: 0965-4283

Keywords

Access Restricted. View access options
Article
Publication date: 18 April 2016

Satish Kumar Reddy and Prabir K. Pal

– The purpose of this paper is to detect traversable regions surrounding a mobile robot by computing terrain unevenness using the range data obtained from a single 3D scan.

271

Abstract

Purpose

The purpose of this paper is to detect traversable regions surrounding a mobile robot by computing terrain unevenness using the range data obtained from a single 3D scan.

Design/methodology/approach

The geometry of acquiring range data from a 3D scan is exploited to probe the terrain and extract traversable regions. Nature of terrain under each scan point is quantified in terms of an unevenness value, which is computed from the difference in range of scan point with respect to its neighbours. Both radial and transverse unevenness values are computed and compared with threshold values at every point to determine if the point belongs to a traversable region or an obstacle. A region growing algorithm spreads like a wavefront to join all traversable points into a traversable region.

Findings

This simple method clearly distinguishes ground and obstacle points. The method works well even in presence of terrain slopes or when the robot experiences pitch and roll.

Research limitations/implications

The method applies on single 3D scans and not on aggregated point cloud in general.

Practical implications

The method has been tested on a mobile robot in outdoor environment in our research centre.

Social implications

This method, along with advanced navigation schemes, can reduce human intervention in many mobile robot applications including unmanned ground vehicles.

Originality/value

Range difference between scan points has been used earlier for obstacle detection, but no methodology has been developed around this concept. The authors propose a concrete method based on computation of radial and transverse unevenness at every point and detecting obstacle edges using range-dependent threshold values.

Details

International Journal of Intelligent Unmanned Systems, vol. 4 no. 2
Type: Research Article
ISSN: 2049-6427

Keywords

Access Restricted. View access options
Article
Publication date: 16 March 2015

Mercy M. Ojoyi and Jean-Marc Mwenge Kahinda

The purpose of this paper is to investigate climate change perceptions and adaptation strategies in the communities of Morogoro region of Tanzania. Climate change is a vital issue…

504

Abstract

Purpose

The purpose of this paper is to investigate climate change perceptions and adaptation strategies in the communities of Morogoro region of Tanzania. Climate change is a vital issue of global concern.

Design/methodology/approach

Rain fall data trends collected from different meteorological stations in the region were useful in assessment of climate variability and change trends from the historical perspective. In addition, quantitative interviews, surveys and focussed discussion groups were used to collect data capturing past and present trends in the catchment, and reasons provided by 199 respondents from a total of six villages. The data were collected with the aid of trained research assistants and trained graduates selected from each of the randomly select villages.

Findings

Significant differences in rainfall intensities have been recorded by use of feedback results from analysis of variance tests conducted. Major indicators of climate variability and change include: increased dry spells (39.7 per cent), drying of rivers (34.7 per cent), a reduction in water flows (14.6 per cent) and poor economy of the area (11.1 per cent).

Research limitations/implications

The scope of the study does not cover certain aspects such as the spatial and temporal changes in daily temperature which could have provided important and additional dimension. This study also did not take into consideration institutional arrangements required to successfully implement national adaptation programmes to climate change. Finally, it is important to remember that peoples’ perceptions determine the social mental picture of climate change.

Practical implications

The study suggests the need for leverage on resource use through education and good governance strategies to be employed by resource planners, leaders and policy makers.

Social implications

This study links scientific and participatory data as an approach for incorporating modern technologies and local knowledge into the design of useful practices and strategies as well as their successful implementation. Opinions from communities supported the urgent need for effective use and management of resources while laying emphasis on advancement of both indigenous and imported technologies.

Originality/value

An understanding of how the community views climate change is crucial in design of practices aimed at improving their well-being. In this regard, a study investigating smallholder farmers’ views regarding major drivers of change, assessing main factors leading to changes in climate experienced and identifying potential coping strategies against climate change, was conducted in East Africa, Tanzania between 2009 and 2010. This paper identifies potential resilient practices intended to minimize destruction and maximize opportunities likely to benefit Morogoro region.

Details

International Journal of Climate Change Strategies and Management, vol. 7 no. 1
Type: Research Article
ISSN: 1756-8692

Keywords

1 – 10 of over 3000
Per page
102050