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The purpose of this paper is to explore the effect of affiliative-based humorous leadership on hotel employee outcomes (i.e. resistance to change and upward voice), underpinned by affective events theory. Further, this paper investigates psychological capital as a mediation effect and emotional intelligence as a moderation effect.

Using a structured questionnaire, 554 supervisors of 20 four- and five-star hotels in Sharm El-Sheikh responded based on a time-lagged approach. A Smart-partial least squares (Smart-PLS) v. 3.3.9 was used to analyze the data set.

The findings revealed that affiliative-based humorous leadership has a positive effect on psychological capital, and psychological capital has a positive association with employee upward voice. Psychological capital partially mediated the linkage of humorous leadership with employees' upward voices and resistance to change. According to the results, emotional intelligence strengthened the linkage of psychological capital with employee resistance to change and upward voice.

The findings contribute to the body of knowledge on humor and the development of new ideas in the hospitality literature. This paper adds to the hospitality literature on humorous leadership in developing countries, specifically in Egypt. This paper also provides practitioners with new perspectives as they develop strategies and use humor-related wise leadership styles in the workplace.

To the best of the authors’ knowledge, this paper is one of the first studies to assess affiliative-based humor in leadership in the hospitality industry. This paper contributes to future studies on the crucial effect of workplace engagement and its association with employees’ novel and intriguing actions and offers a good guideline for organizations and enterprises wishing to better leverage leader humor.

There has been substantial research on branding globally. However, there is a dearth of studies empirically investigating branding strategies during the pandemic to mitigate COVID-19 effects on the airline industry. The paper considers three factors which are brand familiarity, brand communication and brand reputation to develop the brand trust of customers and that ultimately influence their brand preferences.

The study is based on self-administrative surveys as 450 questionnaires were spread, received 339 responses and a total of 301 questionnaires were selected for data analysis by structural-based modeling after the deletion of outliers and partially filled questionnaires. The data was collected through purposive sampling from Malaysian airports.

The findings confirm the relationship of brand communication, brand familiarity and brand reputation to brand trust and brand preference through mediation and directly except direct relationship of brand familiarity to brand preference. The study is limited to the provided dataset of surveys. The present study couldn't interview respondents which can be done by future studies and also effects of COVID-19 can be examined on related industries or through comparative studies among countries.

The present study is the first to investigate the effects of COVID-19 on airline brands and explored the strategies to respond to crises. The study is one of the rare studies that consider branding strategies to the uplift airline industry and mitigate post-pandemic effects from the airline sector.

Underpinned by sensation-seeking theory (SST) and regulatory focus theory (RFT), this paper highlights the crucial role of adventurousness in self-protective behavior and future travel avoidance. Furthermore, this paper investigates safety-seeking tendency as a moderator and travel anxiety post-COVID-19 as a mediator.

Data were gathered from 574 potential visitors to St. Catherine post-COVID-19 and analyzed using Smart-PLS approach.

Adventurousness negatively and significantly affected travel anxiety, while the latter negatively influenced self-protective behavior and positively influenced future travel avoidance. Besides, the findings proved that travel anxiety partially mediated the adventurousness linkage with self-protective behavior and future travel avoidance. Moreover, safety-seeking tendencies dampened travel anxiety's connection with self-protective behavior and future travel avoidance.

This paper provides valuable insights into travel research in theory and practice to revive tourist attractions post-COVID-19 in developing countries via an adventure tourism pattern. The study helps figure out how to deal with the pandemic and restore the monument of heavenly religions, St. Catherine—sacred mountain peaks, mosques, churches and many monasteries—in addition to its charming and picturesque nature.

The current paper examines a traveler's adventurous nature and post-COVID-19 behavior when visiting St. Catherine and their behaviors related to future avoidance and self-protection. This paper adds the first investigation of travel anxiety and safety-seeking through the lens of SST and RFT theories in the Egyptian tourism context.

This study aims to examine the influence of team-level green human resource management practices (TGHRM) on team-level green creative behavior (TGCB) through team green psychological climate (TGPC). Additionally, it delves into the moderating effects of ethical leadership (EL) and green culture (GC) on the relationships among team-level GHRM, TGPC and TGCB.

Using a cross-sectional design, data were gathered from hotel teams and were analyzed using the PROCESS model.

The results indicate that TGHRM significantly impacts TGCB via TGPC. Moreover, the study provides partial evidence supporting the moderating roles of EL and GC in the relationships between TGHRM, TGPC and TGCB.

These findings offer valuable insights for managers and practitioners. They highlight the potential to enhance TGCB by implementing GHRM practices, nurturing a TGPC and cultivating both EL and a GC within teams.

This research addresses a gap in the literature, focusing on the effects of TGHRM on TGCB and shedding light on the intertwined social and psychological processes. Further, it broadens the discourse by analyzing the moderating influence of EL and GC in the dynamics between TGHRM, TGPC and TGCB.

Personal values, ascribed responsibility and green self-identity (GSI) have been analyzed separately for a long time, but a more in-depth investigation is required on the relationships between these variables and their combined effects on consumers' visiting intention toward green hotels. Thus, this study aims to draw on Schwartz's (1992) personal values framework and ascribed responsibility. It expands the Schwartz personal values framework by incorporating GSI as a moderator to understanding consumers' visiting intention toward green hotels.

Partial least squares-structural equation modeling was used to analyze 387 responses collected through a self-administered structured questionnaire from hotel consumers in Pakistan.

The findings revealed that ascribed responsibility and self-transcendence values were significant factors in predicting consumers' intention toward green hotels. Moreover, GSI significantly moderated between self-conservation values, self-transcendence values and attitude. However, the association between self-conservation values and attitude was found insignificant.

This study can assist hotel management in planning and implementing efficient hotel marketing strategies. Hospitality marketers should heed attention to self-transcendence values, ascribed responsibility and stress on using these aspects to sustain green hotels' adoption.

The study contributes to the literature on the antecedents of consumers' visiting intention toward green hotels by expanding the Schwartz personal values framework by adding ascribed responsibility. Further, the authors incorporated GSI as a moderator to understand consumers' visiting intentions toward green hotels in Pakistan.

The purpose of this study is to investigate the role of Auditing and Accounting Organization for Islamic Financial Institution (AOIFI) governance disclosure on the performance of Islamic financial institutions (IFIs) through systematic literature review approach.

This study is based on the review of literature related to the AAOIFI accounting standards downloaded from Scopus database. This study includes review of 126 research articles, 10 review papers, 9 book chapters and 5 conference papers related to different roles played by AAOIFI in providing standards for accounting, auditing, governance and ethics for global IFIs.

The findings of this study suggest that AAOIFI has played a critical role in developing the accounting standards for the IFIs and contributed positively to the overall growth of the Islamic finance industry.

AAOIFI has played a critical role in issuing and development of accounting and auditing standards and has contributed positively to the financial performance of IFIs. Research gaps are identified, and there is a need to work on these gaps.

This study will contribute to the understanding the role of AAOIFI in issuing and development of accounting and governance standards and future research agenda based on a thorough review of literature.

This paper aims to examine the grey literature (GL) in National Digital Library of India (NDLI) with particular reference to synopsis, thesis, report and patent.

The National Digital Library of India (NDLI) was used to collect data from types of text content. After filtering text content, learning resource type was refined and four kinds of GL were randomly selected for further analysis in MS Excel.

As a primary source of information, a huge number of GL available in text form, in which the availability of reports are maximum, are selected. In NDLI, the majority of the selected grey resources, e.g. report, thesis, synopsis and patent, are open for access. It also discloses the significance of Education Resources Information Center (ERIC), from where majority of GL resources were extracted and the maximum number of resources is available in the English language.

GL is regarded as a valuable primary source of locally generated information. No such study was carried out specifically regarding NDLI. Besides, this study aids to understand the archiving method of GL. These findings also help the users to filtering or sorting out to access accurate information sources.

For high crack-susceptibility materials such as Inconel 713LC (IN713LC) nickel alloy, fabricating crack-free components using the laser powder bed fusion (LPBF) technique represents a significant challenge because of the complex interactions between the effects of the main processing parameters, namely, the laser power and scanning speed. Accordingly, this study aims to build up a methodology which combines simulation model and experimental approach to fabricate high-density (>99.9%) IN713LC components using LPBF process.

The present study commences by performing three-dimensional (3D) heat transfer finite element simulations to predict the LPBF outcome (e.g. melt pool depth, temperature and mushy zone extent) for 33 representative sample points chosen within the laser power and scanning speed design space. The simulation results are used to train a surrogate model to predict the LPBF result for any combination of the processing conditions within the design space. Then, experimental trials were performed to choose the proper hatching space and also to define the high crack susceptibility criterion. The process map is then filtered in accordance with five quality criteria, namely, avoiding the keyhole phenomenon, improving the adhesion between the melt pool and the substrate, ensuring single-scan-track stability, avoiding excessive melt pool evaporation and suppressing the formation of micro-cracks, to determine the region of the process map which improves the relative density of the IN713LC component and minimizes the micro-cracks. The optimal processing conditions are used to fabricate IN713LC specimens for tensile testing purposes.

The optimal processing conditions predicted by simulation model are used to fabricate IN713LC specimens for tensile testing purposes. Experimental results show that the tensile strength and elongation of 3D-printed IN713LC tensile bar is higher than those of tensile bar made by casting. The yield strength of 791 MPa, ultimate strength of 995 MPa, elongation of 12%, and relative density of 99.94% are achieved.

The present study proposed a systematic methodology to find the processing conditions that are able to minimize the formation of micro-crack and improve the density of the high crack susceptivity metal material in LPBF process.

The purpose of this study is to formulate a governance and regulatory framework for Islamic crypto assets (ICAs). A balanced regulatory framework is required to protect consumers and to encourage digital Islamic finance innovation.

This study focuses on Indonesia and compares it to other countries, specifically Malaysia and the UK, using statutory, comparative and conceptual research approaches.

The ICAs are permissible (halal) commodities/assets to be traded if they fulfil the standards as goods or commodities that can be traded with a sale and purchase contract (sil’ah) and have an underlying asset (backed by tangible assets such as gold). Islamic social finance activities such as zakat and Islamic microfinance activities such as halal industry are backed by ICAs. The regulatory framework needed to support ICAs includes the Islamic Financial Services Act, shariah supervisory boards, shariah governance standards and ICA exchanges.

This study only examined crypto assets (tokens as securities) and not cryptocurrencies. It used regulations in several countries with potential in Islamic finance development, such as Indonesia, Malaysia and the UK.

The ICA regulatory framework is helpful as an element of a comprehensive strategy to develop a lasting Islamic social finance ecosystem.

The development of crypto assets must be supported by a regulatory framework to protect consumers and encourage innovation in Islamic digital finance.

ICA has growth prospects; however, weak regulatory support and minimal oversight indicate weak legal protection for consumers and investors. Regulating ICA, optimising supervision, implementing shariah governance standards and having ICA exchanges can strengthen the Islamic economic ecosystem.

In this study, the authors analyze the impact of geopolitics risk on Sukuk, Islamic and composite stocks, oil and gold markets and portfolio diversification implications during the COVID-19 pandemic and Russia–Ukraine conflict period.

The study used a mix of wavelet-based approaches, including continuous wavelet transformation and discrete wavelet transformation. The analysis used data from the Geopolitical Risk index (GP{R), Dow Jones Sukuk index (SUKUK), Dow Jones Islamic index (DJII), Dow Jones composite index (DJCI), one of the top crude oil benchmarks which is based on the Europe (BRENT) (oil fields in the North Sea between the Shetland Island and Norway), and Global Gold Price Index (gold) from May 31, 2012, to June 13, 2022.

The results of the study indicate that during the COVID-19 and Russia–Ukraine conflict period geopolitical risk (GPR) was in the leading position, where BRENT confirmed the lagging relationship. On the other hand, during the COVID-19 pandemic period, SUKUK, DJII and DJCI are in the leading position, where GPR confirms the lagging position.

The present study is unique in three respects. First, the authors revisit the influence of GPR on global asset markets such as Islamic stocks, Islamic bonds, conventional stocks, oil and gold. Second, the authors use the wavelet power spectrum and coherence analysis to determine the level of reliance based on time and frequency features. Third, the authors conduct an empirical study that includes recent endogenous shocks generated by health crises such as the COVID-19 epidemic, as well as shocks caused by the geopolitical danger of a war between Russia and Ukraine.

1. We analyze the impact of geopolitics risk on Sukuk, Islamic and composite stocks, oil and gold markets and portfolio diversification implications during the COVID-19 pandemic and Russia–Ukraine conflict period.

2. The results of the wavelet-based approach show that Dow Jones composite and Islamic indexes have observed the highest mean return during the study period.

3. GPR and BRENT are estimated to have the highest amount of risk throughout the observation period.

4. Dow Jones Sukuk, Islamic and composite stock show similar trend of volatility during the COVID-19 pandemic period and comparatively gold observes lower variance during the COVID-19 pandemic and Russia–Ukraine conflict.

We analyze the impact of geopolitics risk on Sukuk, Islamic and composite stocks, oil and gold markets and portfolio diversification implications during the COVID-19 pandemic and Russia–Ukraine conflict period.

The results of the wavelet-based approach show that Dow Jones composite and Islamic indexes have observed the highest mean return during the study period.

GPR and BRENT are estimated to have the highest amount of risk throughout the observation period.

Dow Jones Sukuk, Islamic and composite stock show similar trend of volatility during the COVID-19 pandemic period and comparatively gold observes lower variance during the COVID-19 pandemic and Russia–Ukraine conflict.