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Open Access
Article
Publication date: 2 October 2019

Yazan Khalid Abed-Allah Migdadi

The purpose of this paper is to explore the effective taxonomies of airline green operations strategy.

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Abstract

Purpose

The purpose of this paper is to explore the effective taxonomies of airline green operations strategy.

Design/methodology/approach

To this end, a sample of 23 airlines from five regions (North America, South America, Europe, Asia and the Middle East) was surveyed. The annual sustainability reports of the surveyed airlines for the period 2013‒2016 were retrieved from the Global Reporting Initiatives website. K-means clustering analysis was used to generate taxonomic clusters of airline green operations strategy. A special data analysis technique, called rank analysis, was also adopted to identify the significant green actions and develop indicative models.

Findings

This study revealed that three effective taxonomies were adopted by airlines: a low-effect strategic pattern, a low-to-moderate effect strategic pattern and a high-effect strategic pattern. A different combination of green operation actions characterized each strategic pattern.

Originality/value

The research contribution of taxonomies of green operations strategy has so far been limited, country focused and concentrated on the manufacturing sector. This study reported the taxonomies and performed an in-depth analysis of the categories of effective actions taken to promote green performance. Moreover, this study developed indicative models for the relationship between categories of action and green performance for each strategic pattern, an action that has seldom been reported by previous studies of green operations strategies for airlines.

Details

Management of Environmental Quality: An International Journal, vol. 31 no. 1
Type: Research Article
ISSN: 1477-7835

Keywords

Open Access
Article
Publication date: 9 October 2017

Zhihua Zhang, Andy Jones and M. James C. Crabbe

Currently, negotiation on global carbon emissions reduction is very difficult owing to lack of international willingness. In response, geoengineering (climate engineering…

3068

Abstract

Purpose

Currently, negotiation on global carbon emissions reduction is very difficult owing to lack of international willingness. In response, geoengineering (climate engineering) strategies are proposed to artificially cool the planet. Meanwhile, as the harbor around one-third of all described marine species, coral reefs are the most sensitive ecosystem on the planet to climate change. However, until now, there is no quantitative assessment on the impacts of geoengineering on coral reefs. This study aims to model the impacts of stratospheric aerosol geoengineering on coral reefs.

Design/methodology/approach

The HadGEM2-ES climate model is used to model and evaluate the impacts of stratospheric aerosol geoengineering on coral reefs.

Findings

This study shows that (1) stratospheric aerosol geoengineering could significantly mitigate future coral bleaching throughout the Caribbean Sea; (2) Changes in downward solar irradiation, sea level rise and sea surface temperature caused by geoengineering implementation should have very little impacts on coral reefs; (3) Although geoengineering would prolong the return period of future hurricanes, this may still be too short to ensure coral recruitment and survival after hurricane damage.

Originality/value

This is the first time internationally to quantitatively assess the impacts of geoengineering on coral reefs.

Details

International Journal of Climate Change Strategies and Management, vol. 10 no. 4
Type: Research Article
ISSN: 1756-8692

Keywords

Open Access
Article
Publication date: 19 April 2023

Milad Soltani, Alexios Kythreotis and Arash Roshanpoor

The emergence of machine learning has opened a new way for researchers. It allows them to supplement the traditional manual methods for conducting a literature review and turning…

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Abstract

Purpose

The emergence of machine learning has opened a new way for researchers. It allows them to supplement the traditional manual methods for conducting a literature review and turning it into smart literature. This study aims to present a framework for incorporating machine learning into financial statement fraud (FSF) literature analysis. This framework facilitates the analysis of a large amount of literature to show the trend of the field and identify the most productive authors, journals and potential areas for future research.

Design/methodology/approach

In this study, a framework was introduced that merges bibliometric analysis techniques such as word frequency, co-word analysis and coauthorship analysis with the Latent Dirichlet Allocation topic modeling approach. This framework was used to uncover subtopics from 20 years of financial fraud research articles. Furthermore, the hierarchical clustering method was used on selected subtopics to demonstrate the primary contexts in the literature on FSF.

Findings

This study has contributed to the literature in two ways. First, this study has determined the top journals, articles, countries and keywords based on various bibliometric metrics. Second, using topic modeling and then hierarchy clustering, this study demonstrates the four primary contexts in FSF detection.

Research limitations/implications

In this study, the authors tried to comprehensively view the studies related to financial fraud conducted over two decades. However, this research has limitations that can be an opportunity for future researchers. The first limitation is due to language bias. This study has focused on English language articles, so it is suggested that other researchers consider other languages as well. The second limitation is caused by citation bias. In this study, the authors tried to show the top articles based on the citation criteria. However, judging based on citation alone can be misleading. Therefore, this study suggests that the researchers consider other measures to check the citation quality and assess the studies’ precision by applying meta-analysis.

Originality/value

Despite the popularity of bibliometric analysis and topic modeling, there have been limited efforts to use machine learning for literature review. This novel approach of using hierarchical clustering on topic modeling results enable us to uncover four primary contexts. Furthermore, this method allowed us to show the keywords of each context and highlight significant articles within each context.

Details

Journal of Financial Crime, vol. 30 no. 5
Type: Research Article
ISSN: 1359-0790

Keywords

Open Access
Article
Publication date: 2 January 2024

Guillermo Guerrero-Vacas, Jaime Gómez-Castillo and Oscar Rodríguez-Alabanda

Polyurethane (PUR) foam parts are traditionally manufactured using metallic molds, an unsuitable approach for prototyping purposes. Thus, rapid tooling of disposable molds using…

Abstract

Purpose

Polyurethane (PUR) foam parts are traditionally manufactured using metallic molds, an unsuitable approach for prototyping purposes. Thus, rapid tooling of disposable molds using fused filament fabrication (FFF) with polylactic acid (PLA) and glycol-modified polyethylene terephthalate (PETG) is proposed as an economical, simpler and faster solution compared to traditional metallic molds or three-dimensional (3D) printing with other difficult-to-print thermoplastics, which are prone to shrinkage and delamination (acrylonitrile butadiene styrene, polypropilene-PP) or high-cost due to both material and printing equipment expenses (PEEK, polyamides or polycarbonate-PC). The purpose of this study has been to evaluate the ease of release of PUR foam on these materials in combination with release agents to facilitate the mulding/demoulding process.

Design/methodology/approach

PETG, PLA and hardenable polylactic acid (PLA 3D870) have been evaluated as mold materials in combination with aqueous and solvent-based release agents within a full design of experiments by three consecutive molding/demolding cycles.

Findings

PLA 3D870 has shown the best demoldability. A mold expressly designed to manufacture a foam cushion has been printed and the prototyping has been successfully achieved. The demolding of the part has been easier using a solvent-based release agent, meanwhile the quality has been better when using a water-based one.

Originality/value

The combination of PLA 3D870 and FFF, along with solvent-free water-based release agents, presents a compelling low-cost and eco-friendly alternative to traditional metallic molds and other 3D printing thermoplastics. This innovative approach serves as a viable option for rapid tooling in PUR foam molding.

Details

Rapid Prototyping Journal, vol. 30 no. 11
Type: Research Article
ISSN: 1355-2546

Keywords

Open Access
Article
Publication date: 11 April 2018

Antero Ollila

The purpose of this paper is to analyze the scientific basis of the Paris climate agreement.

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Abstract

Purpose

The purpose of this paper is to analyze the scientific basis of the Paris climate agreement.

Design/methodology/approach

The analyses are based on the IPCC’s own reports, the observed temperatures versus the IPCC model-calculated temperatures and the warming effects of greenhouse gases based on the critical studies of climate sensitivity (CS).

Findings

The future emission and temperature trends are calculated according to a baseline scenario by the IPCC, which is the worst-case scenario RCP8.5. The selection of RCP8.5 can be criticized because the present CO2 growth rate 2.2 ppmy−1 should be 2.8 times greater, meaning a CO2 increase from 402 to 936 ppm. The emission target scenario of COP21 is 40 GtCO2 equivalent, and the results of this study confirm that the temperature increase stays below 2°C by 2100 per the IPCC calculations. The IPCC-calculated temperature for 2016 is 1.27°C, 49 per cent higher than the observed average of 0.85°C in 2000.

Originality/value

Two explanations have been identified for this significant difference in the IPCC’s calculations: The model is too sensitive for CO2 increase, and the positive water feedback does not exist. The CS of 0.6°C found in some critical research studies means that the temperature increase would stay below the 2°C target, even though the emissions would follow the baseline scenario. This is highly unlikely because the estimated conventional oil and gas reserves would be exhausted around the 2060s if the present consumption rate continues.

Details

International Journal of Climate Change Strategies and Management, vol. 11 no. 1
Type: Research Article
ISSN: 1756-8692

Keywords

Open Access
Article
Publication date: 16 November 2015

Andrew Morden, Lauren Brooks, Clare Jinks, Mark Porcheret, Bie Nio Ong and Krysia Dziedzic

Intervention evaluations have not always accounted for long-term implementation of interventions. The purpose of this paper is to explore implementation of a primary care…

2021

Abstract

Purpose

Intervention evaluations have not always accounted for long-term implementation of interventions. The purpose of this paper is to explore implementation of a primary care intervention during the lifespan of the trial and beyond.

Design/methodology/approach

Eight general practices participated in the trial (four control and four intervention). In-depth interviews (with nine GPs and four practices nurses who delivered the intervention) and observation methods were employed. Thematic analysis was utilized and Normalization Process Theory (NPT) constructs were compared with emergent themes.

Findings

Macro-level policy imperatives shaped practice priorities which resulted in the “whole system” new intervention not being perceived to be sustainable. Continued routinization of the intervention into usual care beyond the lifespan of the funded study was dependent on individualized monitoring and taking forward tacit knowledge.

Research limitations/implications

The authors discuss the implications of these findings for sociological theories of implementation and understanding outcomes of research led complex interventions.

Originality/value

The study describes the complex interplay between macro processes and individual situated practices and contributes to understanding if, how, and why interventions are sustained beyond initial “research push”. The value of the study lies in describing the conditions and potential consequences of long-term implementation, which might be translated to other contexts.

Details

Journal of Health Organization and Management, vol. 29 no. 7
Type: Research Article
ISSN: 1477-7266

Keywords

Open Access
Article
Publication date: 29 November 2019

Seyed Mehdi Zahraei, Jude Herijadi Kurniawan and Lynette Cheah

The transportation system in any city is complex and evolving, shaped by various driving forces and uncertainties in the social, economic, technological, political and…

7812

Abstract

Purpose

The transportation system in any city is complex and evolving, shaped by various driving forces and uncertainties in the social, economic, technological, political and environmental situations. Its development and demands upon it cannot be projected by simply extrapolating past and current trends. This paper aims to present a foresight study examining the future of urban mobility, focusing on the dense Asian city-state of Singapore. The objective is to develop scenarios for the future of urban mobility, to facilitate future policy implementation by highlighting long term challenges and opportunities for transportation planning in cities.

Design/methodology/approach

To create future scenarios, the authors first sought to identify key drivers of change through environmental scanning, expert interviews, focus group discussions and technology scanning. These drivers of change were subsequently used in a scenario planning workshop, organized to co-create alternative future visions for urban mobility 2040 with experts and local stakeholders.

Findings

Two scenarios emerged, called the Shared World and the Virtual World. For each scenario, the authors described the key features in terms of dominant transport modes for the movements of passengers and freight. Subsequently, the authors discussed possible implications of each scenario to the individual, society, industry and government.

Originality/value

As cities grow and develop, city and transport planners should not only address daily operational issues but also develop a well-informed, long-term understanding of the evolving mobility system to address challenges that lie beyond the five- or even ten-year horizon. By using scenario planning approach, the authors hope to prepare stakeholders for the uncertain futures that are continuously shaped by the decisions today.

Details

foresight, vol. 22 no. 1
Type: Research Article
ISSN: 1463-6689

Keywords

Open Access
Article
Publication date: 3 November 2023

Johanna Vuori

This article provides an in-depth study of leader resilience during the prolonged COVID-19 crisis.

Abstract

Purpose

This article provides an in-depth study of leader resilience during the prolonged COVID-19 crisis.

Design/methodology/approach

The research is based on interviews with leaders in the hotel, retail and manufacturing industries during the pandemic. The analytical framework is individual resilience as both a process and an outcome. The analysis method is a combination of deductive and inductive content analysis.

Findings

This study offers a rich description of the interaction among the behavioural, situational and individual factors influencing leaders during the various stages of the global COVID-19 crisis.

Originality/value

Highlighting the role of leaders' personal reflections on the interaction between resilience factors and leaders' identity work, this paper contributes to the field by introducing an extended model of leader resilience.

Details

International Journal of Workplace Health Management, vol. 16 no. 5/6
Type: Research Article
ISSN: 1753-8351

Keywords

Open Access
Article
Publication date: 9 October 2019

Luke Bacon, Kathleen Azali, Alexandra Lara Crosby and Benjamin Forster

The purpose of this study is to identify shared themes and concerns of two local and critical archives by comparing their design and day-to-day practice.

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Abstract

Purpose

The purpose of this study is to identify shared themes and concerns of two local and critical archives by comparing their design and day-to-day practice.

Design/methodology/approach

The action research has drawn on the experience of collaboration between a Sydney-based community space (Frontyard) and the Surabaya-based co-working community (C2O) over one year. Each space houses a small physical library of books, which is the focus of this analysis.

Findings

Hacking has emerged as a key value of both archives. A hacking approach has shaped the design of each space and the organisation each archive. Hacking frames the analysis of each collection in this study.

Practical implications

Pragmatic and political understanding of such archives have implications for better quality and more authentic exchange between the communities that make use of these libraries in Indonesia and Australia.

Originality/value

While some work on local critical archives has been done in Indonesia and Australia, no research to date has made specific comparisons with the aim of sharing knowledge. Because these archives are often temporary and ephemeral, documenting the work that goes into them, and their practitioners’ perspectives, is urgent, making possible shared knowledge that can inform the ways communities make decisions about their own heritage.

Details

Global Knowledge, Memory and Communication, vol. 68 no. 8/9
Type: Research Article
ISSN: 2514-9342

Keywords

Open Access
Article
Publication date: 28 February 2023

Mohammed Ba-Aoum, Niyousha Hosseinichimeh, Konstantinos P. Triantis, Kalyan Pasupathy, Mustafa Sir and David Nestler

Patient length of stay (LOS) is an important indicator of emergency department (ED) performance. Investigating factors that influence LOS could thus improve healthcare delivery…

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Abstract

Purpose

Patient length of stay (LOS) is an important indicator of emergency department (ED) performance. Investigating factors that influence LOS could thus improve healthcare delivery and patient safety. Previous studies have focused on patient-level factors to explain LOS variation, with little research into service-related factors. This study examined the association between LOS and multi-level factors including patient-, service- and organization-level factors.

Design/methodology/approach

This study uses a retrospective observational design to identify a cohort of patients from arrival to discharge from ED. A year-long data regarding patients flow trhoguh ED were analyzed using analytics techniques and multi-regression models. The response variable was patient LOS, and the independent variables were patient characteristics, service-related factors and organizational variables.

Findings

The findings of this study showed that older patients, middle triage and hospitalization were all associated with longer LOS. Service-related factors such as complexity of care provided, initial ward designation and ward transfer had a significant impact as well. Finally, prolonged LOS was associated with a higher ratio of patients per medical doctor and per nurse. In contrast, a higher number of residents in the ED were associated with longer patient LOS.

Originality/value

Previous studies on patient LOS have focused on patient-level factors, with little research on service-related factors. This study has addressed that gap by examining the association between LOS and multi-level factors including patient-, service- and organization-level factors. Patient-level factors included demographics, acuity, arrival shift, arrival mode and discharge type. Service-level factors consisted of first ward, ward transfer and complexity of care provided. Organizational factors consisted of three ratios: patients per MD, patients per nurse and patients per resident. The results add to the current understanding of factors that increase patient LOS in EDs and contribute to the body of knowledge on ED performance, operation management and quality of care. The study also provides practical and managerial insights that could be used to improve patient flow in EDs and reduce LOS.

Details

International Journal of Industrial Engineering and Operations Management, vol. 5 no. 3
Type: Research Article
ISSN: 2690-6090

Keywords

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