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The purpose of this paper is to apply an efficient hybrid computational numerical technique, namely, q-homotopy analysis Sumudu transform method (q-HASTM) and residual power series method (RPSM) for finding the analytical solution of the non-linear time-fractional Hirota–Satsuma coupled KdV (HS-cKdV) equations.

The proposed technique q-HASTM is the graceful amalgamations of q-homotopy analysis method with Sumudu transform via Caputo fractional derivative, whereas RPSM depend on generalized formula of Taylors series along with residual error function.

To illustrate and validate the efficiency of the proposed technique, the authors analyzed the projected non-linear coupled equations in terms of fractional order. Moreover, the physical behavior of the attained solution has been captured in terms of plots and by examining the L₂ and L_∞ error norm for diverse value of fractional order.

The authors implemented two technique, q-HASTM and RPSM to obtain the solution of non-linear time-fractional HS-cKdV equations. The obtained results and comparison between q-HASTM and RPSM, shows that the proposed methods provide the solution of non-linear models in form of a convergent series, without using any restrictive assumption. Also, the proposed algorithm is easy to implement and highly efficient to analyze the behavior of non-linear coupled fractional differential equation arisen in various area of science and engineering.

This study aims to provide an overview of bank marketing through a retrospection of the International Journal of Bank Marketing (IJBM), the leading journal for bank marketing.

This study conducts a bibliometric analysis to analyze the performance and intellectual structure of bank marketing literature curated through IJBM between 1983 and 2020.

This study sheds light on the growing influence and impact of IJBM on the field of bank marketing through six major clusters (themes): relationship marketing and service quality in banking and financial services, consumer behavior in banking and financial services, customer satisfaction and loyalty in banking and financial services, electronic or online banking and financial services, Islamic banking and financial services, and service failure and recovery in banking and financial services.

Though this study offers a state-of-the-art overview of bank marketing through the lens of IJBM, the insights remain limited to the accuracy and availability of bibliographic data of the journals from Scopus.

To the best of the authors' knowledge, this study represents the first objective assessment of bank marketing and IJBM. Thus, this study should be useful to past and prospective authors, editorial board members, editors, readers and reviewers to gain a one-stop understanding about bank marketing through the contributions of IJBM.

International Journal of Emerging Markets (IJoEM) is a leading journal that publishes high-quality research focused on emerging markets. In 2020, IJoEM celebrated its fifteenth anniversary, and the objective of this paper is to conduct a retrospective analysis to commensurate IJoEM's milestone.

Data used in this study were extracted using the Scopus database. Bibliometric analysis, using several indicators, is adopted to reveal the major trends and themes of a journal. Mapping of bibliographic data is carried using VOSviewer.

Study findings indicate that IJoEM has been growing for publications and citations since its inception. Four significant research directions emerged, i.e. consumer behaviour, financial markets, financial institutions and corporate governance and strategic dimensions based on cluster analysis of IJoEM's publications. The identified future research directions are focused on emergent investments opportunities, trends in behavioural finance, emerging role technology-financial companies, changing trends in corporate governance and the rising importance of strategic management in emerging markets.

To the best of the authors' knowledge, this is the first study to conduct a comprehensive bibliometric analysis of IJoEM. The study presents the key themes and trends emerging from a leading journal considered a high-quality research journal for research on emerging markets by academicians, scholars and practitioners.

The Journal of Product and Brand Management (JPBM) has a 30-year long history. To commemorate the journal’s 30th anniversary, this research paper aims to present a retrospective overview of JPBM.

This research examines the performance of the research constituents, social structure and intellectual structure of scholarly publications produced by JPBM between 1992 and 2021 using bibliometric analysis.

This research sheds light on the growing influence of JPBM through four major knowledge clusters (themes): strategic brand management; consumer behavior; product development and innovation management; and brand engagement. A temporal analysis of decade-by-decade cataloguing of the JPBM corpus revealed another set of three distinct knowledge clusters (themes): retailing and pricing strategies; marketing communications; and relationship marketing.

Though the state-of-the-art overview herein offers seminal and useful insights about product and brand management research curated by JPBM, which can be used by the editorial board and prospective authors to curate and position the novelty of future contributions, it remains limited to the accuracy and availability of bibliographic records acquired from Scopus.

This research advances the internal review and subjective evaluation of the evolution of brand management thinking in JPBM by Veloutsou and Guzmán (2017) with an objective retrospection on the performance and scientific evolution of product and brand management research in JPBM.

This study aims to propose a new connection technique of bypass diode (BD) in photovoltaic (PV) array, which reduces the circulating current (CC) within PV modules as well as conduction loss in partial shaded condition (PSC).

Linearized circuit model of PV panel is proposed for calculating the CC and power loss of novel BD arrangements in PV array. From the analysis the best BD arrangement is applied in series parallel, TCT and honeycomb (HC) PV array structure for simulation and hardware verification. The hardware verification is performed in a 3 × 3 PV array, where individual panel capacity is 200 W.

The proposed BD arrangement reduces the power loss due to CC under PSC by almost 3% compared to conventional BD structure in a PV array.

The proposed BD arrangement is simple and useful in large PV power plants to reduce the CC-based extra power loss under PSC.

This chapter examines the Asia-Pacific region's circular economy (CE) actions concerning climate change policies.

A systematic narrative synthesis of subsequent systematic literature review (SLR) using the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines is adopted, and this study reviews 38 sample studies on CE practices and climate change policies in conducting the survey.

The findings suggest a policy convergence in the CE and climate change. This study identified several gaps in current policies regarding CE integration, such as a lack of comprehensive CE legislation, insufficient incentives for circular practices, limited focus on waste reduction and resource efficiency, need for enhanced public awareness and education, inadequate infrastructure for recycling and waste management and weak coordination among stakeholders. Challenges and barriers were identified regarding economic, social, political and technological aspects.

This chapter provided policy recommendations on integrative approaches, regional cooperation and partnerships and implementing financial and regulatory incentive practices. New technologies and methods open the door to expanding the goal of the CE.

This study presents the findings of the current status of CE actions regarding climate change policies for the Asia-Pacific countries, provides proactive management recommendations and implications for future practices and identifies the need to collaborate for the region's sustainable development.

This study seeks to review the existing literature on the challenges and issues of climate change and sustainability in the South Asian region.

The study adopts the systematic literature review using the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The sample consists of 39 studies highly relevant to the topic.

Population, urbanisation, poverty, inequality and health impacts were identified as socio-economic challenges. In contrast, deforestation and land degradation, water scarcity and quality, and biodiversity loss were identified as environmental challenges in mitigating climate change while achieving sustainability. Nonetheless, national, regional and international sustainability endeavours are still limited in their functionality and applications due to socio-economic inequalities, political problems and weak cohesiveness in the region.

The conclusions call for immediate concern to effective and concerted strategies and policies to address climate vulnerability and improve climate brilliant resilience in South Asia. Policymakers, practitioners and all those concerned with these phenomena are encouraged to utilise integrated strategies that focus on preventing and managing change, using technological innovations and promoting regional and international cooperation.

To the authors' knowledge, the current study differs from prior works because it employs a comprehensive systematic review to capture diverse literature on climate change issues and sustainable development endeavours within South Asia.

Purpose – This study aims to investigate how behavioural biases affect cryptocurrency investment choices. The study also evaluates how risk tolerance mediates the relationship between behavioural biases and investment decision-making.

Need for the Study – The study is required to refine research methods and to ensure the reliability and validity of findings on behavioural biases in cryptocurrency investment decision-making.

Methodology – This pilot study involved responses from individuals in India’s western and northern regions who either invested in cryptocurrencies or had adequate knowledge of such investments. To assess the normality, validity, and reliability of the questionnaire data, a sample of 51 individuals was analysed using SPSS software.

Findings – The results of this study validate the reliability of the questionnaire in conducting pilot research by attaining high reliability with high coefficients of measures and reasonable normality.

Originality/value – The study confirmed the tool’s efficiency to analyse various specific antecedents influencing investing choices.