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Article
Publication date: 18 December 2023

Volodymyr Novykov, Christopher Bilson, Adrian Gepp, Geoff Harris and Bruce James Vanstone

Machine learning (ML), and deep learning in particular, is gaining traction across a myriad of real-life applications. Portfolio management is no exception. This paper provides a…

Abstract

Purpose

Machine learning (ML), and deep learning in particular, is gaining traction across a myriad of real-life applications. Portfolio management is no exception. This paper provides a systematic literature review of deep learning applications for portfolio management. The findings are likely to be valuable for industry practitioners and researchers alike, experimenting with novel portfolio management approaches and furthering investment management practice.

Design/methodology/approach

This review follows the guidance and methodology of Linnenluecke et al. (2020), Massaro et al. (2016) and Fisch and Block (2018) to first identify relevant literature based on an appropriately developed search phrase, filter the resultant set of publications and present descriptive and analytical findings of the research itself and its metadata.

Findings

The authors find a strong dominance of reinforcement learning algorithms applied to the field, given their through-time portfolio management capabilities. Other well-known deep learning models, such as convolutional neural network (CNN) and recurrent neural network (RNN) and its derivatives, have shown to be well-suited for time-series forecasting. Most recently, the number of papers published in the field has been increasing, potentially driven by computational advances, hardware accessibility and data availability. The review shows several promising applications and identifies future research opportunities, including better balance on the risk-reward spectrum, novel ways to reduce data dimensionality and pre-process the inputs, stronger focus on direct weights generation, novel deep learning architectures and consistent data choices.

Originality/value

Several systematic reviews have been conducted with a broader focus of ML applications in finance. However, to the best of the authors’ knowledge, this is the first review to focus on deep learning architectures and their applications in the investment portfolio management problem. The review also presents a novel universal taxonomy of models used.

Details

Journal of Accounting Literature, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0737-4607

Keywords

Article
Publication date: 22 April 2024

Nikita Sakaria, Christopher Sanderson, Simon Watkins and Victoria Boynton

This service evaluation aims to understand the experiences of service users (SUs) who accessed an early intervention in psychosis (EIP) service during the Coronavirus pandemic…

Abstract

Purpose

This service evaluation aims to understand the experiences of service users (SUs) who accessed an early intervention in psychosis (EIP) service during the Coronavirus pandemic using qualitative and quantitative methodologies and compare these to a previous pre-pandemic study conducted within the same service (Watkins et al., 2018).

Design/methodology/approach

This paper collated experiences of individuals accessing an EIP service to inform service development. Questionnaires and individual interviews were conducted to provide quantitative and qualitative data. Descriptive statistics and T-test confidence intervals were created from the results and compared to findings of Watkins et al. (2018). Interviews were transcribed verbatim and analysed using Braun and Clarke’s (2006) thematic analysis.

Findings

Data showed participants were largely satisfied with all areas of the service with “work or education”, “living skills”, and “addictions” scoring highest. Though participants reported no overall dissatisfaction, satisfaction levels dropped in “social activities” compared to the findings of Watkins et al. (2018), perhaps due to the national restrictions put in place to manage the spread of Coronavirus during this time. Interview analysis identified three themes of importance consistent with prior literature, highlighting the importance of relationships and validation during recovery.

Research limitations/implications

This evaluation did not consider whether participants had accessed the service prior to the pandemic or only during, meaning that some participants could have a point of comparison with the service pre-pandemic, whereas others might not. Similarly, the participants were not the same as those of the Watkins et al.’s (2018) evaluation, meaning that direct comparisons of pre- and post-pandemic experiences were not possible. In addition, this evaluation collected data at only one time point early in the pandemic; therefore, it is unknown if client experiences of services differed as the pandemic and restrictions continued over time.

Originality/value

The Covid-19 pandemic has been an unprecedented challenge for health services, and the effects of this are becoming widely reported. This evaluation of clinical services offers a valuable perspective of service user experience of receiving mental health services during a global health crisis further offering a comparison to pre-pandemic services and the experiences of those who used them.

Details

Mental Health Review Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1361-9322

Keywords

Open Access
Article
Publication date: 28 March 2023

Cortney Norris, Scott Taylor and D. Christopher Taylor

This research aimed to fill several gaps in the tipping literature which has overlooked the server's perspective in identifying and understanding variables that influence a tip…

1196

Abstract

Purpose

This research aimed to fill several gaps in the tipping literature which has overlooked the server's perspective in identifying and understanding variables that influence a tip amount and therefore where they concentrate their efforts during the service encounter. Furthermore, the extant literature has theorized how or why certain variables influence the tip amount, but these studies fail to capture insight from server's which would supplement the theory and provide a more in-depth understanding of the mechanisms at play.

Design/methodology/approach

This study adopts a grounded theory approach using semi-structured one-on-one interviews with tipped restaurant employees who were identified and selected using snowball sampling. Content analysis is employed to code and categorize the data.

Findings

The content analysis revealed five categories where servers focus their time and effort to earn tips: service quality, connection, personal factors, expertise and food quality. The server's personality was identified as a variable the tipping literature has largely ignored as a determinant of the tip amount. Server's shift their style of service for groups of eight or more people, and for regular customers, who must dine in the restaurant at least once per week. Lastly, despite the many drawbacks associated with working for tips, servers would not want to replace it with any other method of compensation.

Originality/value

This is the first qualitative study focused on understanding the server's role in the service exchange relationship since McCarty et al. (1990) study. The results provide new insights on the often-studied variables from the tipping literature.

Details

International Hospitality Review, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2516-8142

Keywords

Article
Publication date: 20 December 2023

Samuel Adusei, Dorcas Nuertey and Emmanuel Poku

This study investigated the relationship between last-mile distribution or delivery (LMD) and commodity access through the mediating role of commodity availability and commodity…

Abstract

Purpose

This study investigated the relationship between last-mile distribution or delivery (LMD) and commodity access through the mediating role of commodity availability and commodity security and the moderating effect of supply chain integration (SCI).

Design/methodology/approach

The study adopted the survey research design and employed the questionnaire instrument in collecting primary data from respondents in Eastern Regional Health Institutions in Ghana. The total number of valid responses received was 204. The partial least squares structural equation modeling (PLS-SEM) approach was adopted to analyze the relationship between the study variables.

Findings

The findings showed that there is a positive and significant relationship between LMD and commodity availability as well as LMD and commodity security. Moreover, while the relationship between commodity availability and commodity access is positive and significant, that between commodity security and commodity access is positive but insignificant. Furthermore, there is a positive and statistically significant relationship between LMD and commodity access. The study discovered that the interaction between LMD and commodity access is insignificant and negatively affected by SCI.

Originality/value

To the best of the authors' knowledge, no previous studies have empirically verified the effect of LMD on commodity access in the presence of mediating factors such as commodity availability and commodity security and SCI as the moderating factors.

Details

Benchmarking: An International Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1463-5771

Keywords

Article
Publication date: 14 December 2022

Priyabrata Mondal and Prabir Jana

Automation and the new buzzword, “Industry 4.0”, have dominated the media headlines in recent months. In this scenario, apparel manufacturers should not only install automatic…

Abstract

Purpose

Automation and the new buzzword, “Industry 4.0”, have dominated the media headlines in recent months. In this scenario, apparel manufacturers should not only install automatic machines but also standardise them based on specific industry requirements, and precise measures are required for daily target demands.

Design/methodology/approach

This study demonstrates the application of Predetermined Motion and Time System (PMTS) tools in various automatic and semiautomatic machines to obtain higher productivity and the highest utilisation percentage of operator and automats between the 1:1 and 1:2 man vs machine configuration models. In this study, timeSSD® was used to calculate the micro motions of humans. In addition, a video annotation and modelling software Tracker was used to calculate high-speed machine movements with loading frames of 30 FPS.

Findings

After the implementation of PMTS tools, it was found that for a 1:1 man vs machine configuration, the operator utilisation is 75% per shift and the operator idle time is 50% per cycle time, and the operator is sitting idle for 2 h per 8 h of shift. So, there is scope to improve the utilisation and idle time of operator.

Research limitations/implications

With the PMTS software, an industrial engineer professional with knowledge of the micromotion economy can only calculate micromotion.

Originality/value

Exploring the first time in the world to establish standard allowed minute (SAM) of a partly automated single-unit sewing machine with partial human intervention and a semiautomatic machine. Theoretical underpinnings indicate that manufacturers use the experience to determine the SAM of any operation over time, necessitating this work to calculate standard minutes automatically.

Article
Publication date: 19 December 2023

Seda Özcan, Bengü Sevil Oflaç, Sinem Tokcaer and Özgür Özpeynirci

The criticality of late deliveries in transportation lies in the threat of considerable multi-level supply chain costs. This study aims to reveal the dynamic capabilities playing…

Abstract

Purpose

The criticality of late deliveries in transportation lies in the threat of considerable multi-level supply chain costs. This study aims to reveal the dynamic capabilities playing a facilitating role in preventing delay, thus providing timely delivery, as well as developing an understanding of how and when those capabilities are activated within the supply chain network.

Design/methodology/approach

An exploratory study was conducted involving 16 semi-structured expert interviews with the representatives of logistics service providers and shippers. Following an interpretive phenomenology framework, the prevention phenomenon was explained.

Findings

Findings revealed two preventive capability categories in delay prevention: (1) proactive capabilities, referring to the enabling actions planned before departure, and (2) reactive capabilities, referring to actions planned after departure. Findings pinpoint that, in addition to the proactive capabilities, reactive capabilities enabled by innovative problem-solving actions are crucial for adapting to a dynamically changing environment in prevention. Moreover, this study shows that prevention capabilities are characterized by tangible and intangible resources and integration of resources with external links which constitute a delay prevention network within a wider service ecosystem.

Originality/value

This study stands out with its specific focus on delay prevention capabilities and enabling actions from the perspectives of logistics service providers and shippers. The premises of the resource-based view are combined with dynamic capabilities theory, leading to a proposed time-based taxonomy of proactive and reactive capabilities in supply chains, aimed at creating value and strengthening resilience.

Details

The International Journal of Logistics Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0957-4093

Keywords

Open Access
Article
Publication date: 21 March 2024

Aina Pont and Alexandra Simon

The study aspires to enhance comprehension of the intricate interplay between supply chain management (SCM) and resilience in family businesses, thereby offering valuable insights…

Abstract

Purpose

The study aspires to enhance comprehension of the intricate interplay between supply chain management (SCM) and resilience in family businesses, thereby offering valuable insights to managers and policymakers endeavouring to foster resilience in uncertain environments.

Design/methodology/approach

Commencing from the premise that family businesses (FBs) prioritize the preservation of socio-emotional wealth (SEW) when formulating strategic decisions, this study endeavours to advance understanding of supply chain practices adopted by FBs and their direct impact on resilience during crisis situations or economically challenging periods. Through an exploratory case study of nine FBs, the present research reveals four pivotal strategies in SCM that contribute to their resilience: (i) reorganization of inventory management; (ii) cultivating close relationships with suppliers; (iii) emphasizing product quality and customer retention; and (iv) implementing cost reduction measures to bolster resilience. The aim of the study is to provide an in-depth understanding of the intricate interplay between SCM and resilience in FBs, thereby offering valuable insights to managers and policymakers endeavouring to foster resilience in uncertain environments.

Findings

Our approach offers a theoretical framework for SCM aligned with prior research on the interplay between characteristics of family businesses and resilience strategies. Furthermore, this paper illustrates how factors such as the emphasis on high-quality products and services by family businesses contribute to achieving non-economic objectives that owners adopt to reconcile family and business needs, creating intrinsic added value for the company. It reveals various challenges in SCM, including inventory organization changes, supplier closures and the significance of customer retention. Family businesses are implementing product and technology enhancements and leveraging digitization to enhance supply chain processes.

Originality/value

This paper contributes significantly to the field of FBs by highlighting the crucial role of SCM in enhancing business resilience during crises. It empirically examines how the SEW characteristics of FBs influence the reconfiguration of their supply chains to enhance resilience, presenting a theoretical model for this context. Our theoretical framework employs an SEW perspective to elucidate how FBs respond to the challenges posed by the COVID-19 pandemic by adapting their SCM processes to safeguard their social and emotional legitimacy, organizational visibility and reputation. These adaptations gain particular relevance during crises or turbulent conditions, potentially leading to alterations in how FBs formulate their supply chain strategies and manage supply chain-related processes.

Details

Journal of Family Business Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2043-6238

Keywords

Article
Publication date: 12 January 2024

Mai Nguyen, Nicolas Pontes, Ashish Malik, Jaya Gupta and Ritika Gugnani

Amid challenges posed by the COVID-19 pandemic, fostering employee creativity has become paramount for organizations. However, there is a scarcity of research on digitalization of…

Abstract

Purpose

Amid challenges posed by the COVID-19 pandemic, fostering employee creativity has become paramount for organizations. However, there is a scarcity of research on digitalization of the workplace and its implications for implementing high involvement work systems (HIWSs) in organizations, particularly in relation to their impact on employee outcomes, such as creativity and job satisfaction. Additionally, limited attention has been given to the role of job level and organizational type in driving change during times of adversity. This study aims to examine the factors within the HIWSs model using the PIRK model – power (P), information sharing (I), rewards (R) and knowledge (K) to explore how HIWSs shape the extent of power individuals have over their employment, the sharing of information, the types of rewards that engage and motivate employees and the knowledge required to fulfil employees’ responsibilities effectively, both individually and collectively.

Design/methodology/approach

Using a qualitative research methodology, this study uses thematic analysis for data collection, analysis and interpretation. Semi-structured interviews (n = 48) served as the primary data collection method. Using the theoretical lenses of high-involvement practices and employee perceptions of PIRK, the effect on employee creativity and job satisfaction is analysed.

Findings

The findings of this study reveal that employee creativity is significantly influenced by how employees perceive power, information, rewards and knowledge. Moreover, the study highlights the role of transformational and transactional leadership in shaping employee perceptions of power, information and knowledge within HIWSs. A high perception of PIRK is found to positively impact employee job satisfaction.

Research limitations/implications

This study offers valuable insights for human resource management (HRM) professionals seeking to make informed decisions regarding best practices and initiatives for enhancing employee outcomes in the post-COVID era. By recognizing the pivotal role of HIWSs and their influence on employee perceptions, organizations can strategically implement HIWSs to foster creativity and job satisfaction. Furthermore, this research contributes to the existing literature by examining the interplay between HIWSs and the PIRK model in the context of workplace digitalization, emphasizing the importance of adapting HRM practices to address the evolving needs of the modern workforce.

Originality/value

This study will help HRM professionals in making informed decisions on the best practices and initiatives to enhance employee outcomes in the post-COVID era. This paper adds to the existing literature on HIWS and PIRK in the context of workplace digitalization.

Details

Journal of Knowledge Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1367-3270

Keywords

Article
Publication date: 8 December 2023

M. Isabel Sánchez-Hernández, Rafael Robina-Ramirez and Živilė Stankevičiūtė

The purpose of the paper is to delve into innovation and happiness management linked to the definition of transcendence at work. The paper analyses in the context of innovation…

Abstract

Purpose

The purpose of the paper is to delve into innovation and happiness management linked to the definition of transcendence at work. The paper analyses in the context of innovation and happiness management the relation of the three dimensions taken from Khari and Sinha (2020: Sense of we-ness, self-connectedness and work as a service. The paper also proposed indicators to applied transcendence and moral competencies to the banking sector guiding behaviour toward successful experiences at work as an antecedent of both, transcendence and employees´ performance.

Design/methodology/approach

The article starts with a VOSviewer-based bibliometric analysis to examine the recent development of happiness management as an emergent topic of research. A co-word analysis served to identify that the main research theme related to the topic is transcendence at work. The theoretical framework serves for developing a conceptual model that is analysed by taking structural equations modelling (SEM) as the method and partial least squares (PLS) as the technique. To test the hypotheses, the authors employed a sample of 354 employees from the main banks in Spain in 2021 (Santander, Banco Bilbao Vizcaya Argentaria (BBVA), CaixaBank, Bankia and Sabadell).

Findings

The results confirm that Innovation and happiness management is related to moral competencies, which refer to the set of knowledge, skills and abilities that facilitate ethical behaviour in the banking sector. Innovation and happiness management include individual attributes for good performance in each job; this research is in line with the prominent call in the literature to consider moral competencies in human resources management.

Originality/value

Originality lies on the answer of the question: what is the role of employee transcendence in the turbulent banking sector today? This paper seeks to approach and measure the relation of innovation, happiness and transcendence at work, Transcendence at work often arises when individuals connect their work to a higher purpose or mission, that connection is based on the idea that any effort to improve any of these three attributes provides successful solutions for the complex banking sector's performance.

Details

European Journal of Innovation Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1460-1060

Keywords

Open Access
Article
Publication date: 6 September 2021

Intakhab Alam Khan

Many students are found facing difficulties in learning English due to plenty of reasons: known and unknown ones. In order to overcome such an issue, the instructors have to…

1969

Abstract

Purpose

Many students are found facing difficulties in learning English due to plenty of reasons: known and unknown ones. In order to overcome such an issue, the instructors have to explore for effective techniques of teaching English to motivate learners by any means. Technology in general and informatics in particular can be thought of as innovative tool of pedagogy in the current teaching-learning environment. The present proposal of research aims at creating innovative approaches, which attract learners' interest and catch their attention for better outputs.

Design/methodology/approach

Following subsections have been discussed keeping the significance in view. Setting of the study: The present study was conducted at King Abdulaziz University, Jeddah-Saudi Arabia, which is one of the Saudi Arabian universities; however, it has opened up new avenues for the pedagogues, teachers of English and researchers to conduct studies in various allied fields. In order to have a representative sample of students' population, the participants were chosen from the “preparatory year”. Material and tools: This study used a questionnaire (Appendix) and a test to evaluate performances of the two groups: controlled and experimental. In order to further strengthen the findings, semi structured interview was conducted for a few select students from the student-sample. Since the questionnaire was adapted, the statistical validity and reliability was not considered to be essential; however, content/face validity was ensured by consulting 10 experts in the field of education/methods of teaching.

Findings

Based on the analysis of data gathered from the test performances of the two groups of students, it was found that there existed a significant difference in the test scores. The questionnaire responses also proved that infographics can be proved to be an interesting tool of education in general and English language teaching in particular. However, it has been noticed from the gathered data that not many teachers are comfortable using multimedia or infographics for different reasons. The results of the present study are in line with the study by Rezaei and Sayadian (2015) that support the idea of infographics that would help English teachers to develop understanding and insights to design among the learners. They further contend that the infographic instruction offers choices for the utilization of collaborative activities. In addition, the infographics enhance students' performance as a whole as also supported by Alrwele (2017).

Research limitations/implications

The study was conducted on a small sample which might affect the generalization of the outcomes. It was carried out with special reference to teaching of vocabulary and reading.

Practical implications

There can be many recommendations for different stakeholders. For teachers, it is recommended that they should know about the significance of infographs for catching the attention of students. They should know how to design interesting and colorful infographs. The administration/management should facilitate the teachers with the required software or platform to create infographics and integrate in an English language class. In addition, teachers should attend workshops and training courses organized for topics related to the infographs.

Originality/value

The author checked the study for plagiarism (excluding references) and found it to be 93% plagiarism free.

Details

PSU Research Review, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2399-1747

Keywords

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