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This study aims to examine the joint effect of accounting background and cross-membership of Islamic Supervisory Board (ISB) members on bank investment efficiency.

This study uses data collected from 36 Islamic banks across 15 countries globally, spanning the period from 2012 to 2021. This research uses an ordinary least squares regression and a comprehensive set of endogeneity and robustness tests.

The findings show a negative relationship between the accounting background of ISB members and investment efficiency. However, when ISB members with accounting backgrounds also have ISB cross-memberships, the banks exhibit high investment efficiency. These results suggest that ISB cross-membership plays a crucial role in facilitating Islamic banks’ access to timely information on investment opportunities. This enables ISB members with accounting expertise to thoroughly assess the benefits and risks associated with their investment prospects. These findings imply that ISB members with accounting backgrounds and cross-memberships have greater motivation and thoughtful considerations for making better investment decisions. Consequently, Islamic banks are better positioned to undertake high profitable investment projects, which enhance their investment efficiency.

The current study holds immense value for Islamic bank management in their selection of ISB members who possess an accounting background and cross-membership.

This study delves into a comprehensive investigation of the proficiency, underlying principles and unique characteristics exhibited by ISB members with an accounting background. Moreover, this study acknowledges the burgeoning global prominence of Islamic banks.

The study aims to examine the military-connected firms' risk preference, specifically in the innovation intensity level context. The authors argue that firms with military-experienced top management have conservative and risk-averse behavior, influencing the innovation investment policy.

The authors use nonfinancial Indonesian-listed firms from 2010 to 2018 amounted to 2,504 firm-year observations.

The authors document a negative relationship between military connection with both innovation activities and outputs. The additional analysis documents that risk-preferences of military-connected firms will be drastically changed when the industry has a high digital level, which confirms that risk-averse military-experienced management is less dominant with adaptation skill. The authors also identify that veterans did not need a long tenure to influence firms' innovation investment policy. Lastly, the result is robust due to various endogeneity tests employed.

This study further examines military-connected firms' technological innovation compared to prior studies and enriches the related literature.

This study aims to empirically analyze the market response of energy companies to the Russian-Ukrainian invasion. Additionally, it examines the comparison of market reactions between companies in NATO member countries and non-member countries.

This study utilizes a sample of 1,511 energy sector companies. To achieve the research objectives, two methods are employed. First, an event study is used to analyze the market reaction using Cumulative Abnormal Return (CAR) to the announcement of Russia's invasion of Ukraine on February 24, 2022 (event day) within an event window of (−30, +30). Second, a cross-sectional analysis is conducted to compare the responses of companies in NATO member countries with those in non-member countries.

The findings of this study reveal that energy companies worldwide reacted positively both before and after the announcement of the invasion, with significant reactions observed in companies from the Americas, Europe, and Asia & Pacific regions. However, the Middle East and Africa markets did not show significant reactions. Furthermore, the study indicates that most developed and emerging markets responded positively, likely due to the increase in energy commodity prices during the war. Moreover, the market reaction of companies in NATO member countries was stronger compared to other markets.

This study contributes to the existing literature by being the first to examine the impact of the Russian invasion of Ukraine on the energy sector, while categorizing markets as developed, emerging, and frontier. It also specifically explores the market reaction of energy companies in NATO member countries, providing unique insights into the differential responses within the energy sector.

研究目的: 本研究擬以經驗及觀察為依據, 去分析能源公司對俄羅斯–烏克蘭侵略行為的市場反應。研究亦擬進行關於北約成員國內的能源公司及非成員國內的能源公司的市場反應的比較研究。

研究設計/方法/理念: 研究使用的樣本為1511間能源領域內的公司。研究人員為能達到研究目標, 採用了兩個方法。首先, 他們使用事件研究法進行有關的研究。具體地說, 他們以累積異常報酬率, 來分析在 (−30, +30) 的事件視窗之內, 能源公司對俄羅斯於2022年2月24日 (事發日) 入侵烏克蘭的公告的市場反應。其次, 研究人員以橫向分析法, 就北約成員國內的能源公司及非成員國內的能源公司的反應進行比較研究。

研究結果: 研究結果顯示, 全球的能源公司於侵略行為公告前後均有正面的反應;而反應較為顯著的公司均來自美洲、歐洲和亞洲及太平洋地區。唯中東和非洲市場均沒有顯著的反應。研究結果亦顯示, 大多數已發展市場和新興市場, 均有正面的反應, 這很可能是因為於戰爭期間, 能源商品價格上升所致。再者, 北約成員國內的公司的市場反應較其他市場強烈。

研究的原創性: 本研究率先以已開發市場、新興市場和邊境市場的市場分類, 去探討俄羅斯入侵烏克蘭對能源部門的影響;就此, 本研究對現有文獻作出了貢獻。研究亦特意探索了北約成員國內能源公司及非成員國內的能源公司兩者的市場反應, 這給我們獨特的啟示, 以能了解能源領域內各種不同的反應。

Few studies only focus on halal cosmetics, although several previous studies have examined halal food and beverages. This study aims to explore the relationship between knowledge, emotional attachment and religiosity on purchase intention, mediated by satisfaction and brand trust. This study stems from the theory of reasoned action (TRA), which merges the knowledge, emotional attachment, religiosity and purchase intention of halal cosmetics.

The researchers distributed online questionnaires to respondents via Google Form using social media (Instagram)/messaging application (WhatsApp). The respondents were Indonesian and Malaysian millennial Muslims. The sampling technique used was purposive sampling. A total of 528 respondents were involved, consisting of 335 Indonesians and 193 Malaysians. However, data for 381 respondents were successfully screened for normality, outliers and multicollinearity. Furthermore, the data was used for examining the hypotheses proposed.

The results for Indonesian and Malaysian samples showed that there is a significant positive effect of knowledge, emotional attachments and religiosity on satisfaction and brand trust. But the Indonesia sample showed that there is no significant effect of religiosity on satisfaction. For Indonesia, there is a positive significant mediating role of satisfaction on purchasing intention. For Malaysia, there is no significant mediating role of satisfaction on purchasing intention. For Indonesia and Malaysia, there are positive significant mediating role of brand trust on purchasing intention.

The study compared consumers of the millennial generation in Indonesia and Malaysia with limited samples. For future research, it is suggested to exploring and combining non-Muslims and Muslims in the millennial generation and testing it in more than two countries.

The study provides an accurate understanding of the relationships proposed, such as knowledge, emotional attachment and religiosity, on satisfaction, brand trust and purchasing intention of millennial Muslim woman consumers in Indonesia and Malaysia, because the millennial Muslim woman consumers in Indonesia and Malaysia had the same behavioral characteristics: Muslim consumers and product characteristics.

The study of halal cosmetics can provide a spiritual commitment for Muslims, who consciously prefer socio-religious values in choosing cosmetic products. Therefore, the halal label of the product is also a reason for social and religious values to increase the social awareness of the Muslim millennial generation in Malaysia and Indonesia.

This research discusses the antecedents and consequences of satisfaction and brand trust on the purchasing intention of halal cosmetics. The response of Muslim consumers to halal cosmetics has not been widely studied in Indonesia and Malaysia. Meanwhile, in Indonesia, the halal label on all products has recently been made mandatory by the Indonesian Ulema Council. Therefore, this research offers insights into the attitudes of Muslim consumers towards halal cosmetics products.

The use of social media for sustainable information is important since it has the potential to influence people’s intentions and behaviour towards sustainability. As previous studies on social media and sustainable development have primarily focussed on Western viewpoints, this study presents a comprehensive Asian perspective by investigating the impact of social media on sustainable intention and behaviour amongst Malaysian and Indonesian undergraduate university students.

A campus-wide online survey was conducted with 953 students from Malaysia and Indonesia. The researchers collected data through an online questionnaire and a two-week quantitative survey of undergraduate students in Malaysia and Indonesia. Quantitative data were analysed by SmartPLS software and comparative studies were conducted.

The result of the survey indicated that Facebook and Instagram were mainly used by Malaysian students to obtain and communicate about sustainability information, whilst Instagram was mainly used by Indonesian students. The findings also discovered that social media usage and social media effectiveness and usefulness are statistically significant predictors of sustainable intention amongst the students in Malaysia and Indonesia. Sustainable intention is also a statistically significant predictor of sustainable behaviour amongst the students. Additionally, this study also found that Malaysian students appeared to have a high level of the effect of sustainable intention on sustainable behaviour and the effect of the effectiveness and usefulness of social media to sustainable intention compared to Indonesian students. On the contrary, their use of social media related to sustainable behaviour was relatively low compared to Indonesian students.

Overall, the findings can contribute to the presently scant empirical works that focus on social media’s influence on sustainability and sustainable development. Furthermore, the findings contribute to the growing body of knowledge related to sustainability communication and sustainable education, particularly in terms of the use of social media in the learning and teaching process. Future research could focus on studying postgraduate students and university students from other Asian countries. Moreover, using qualitative methods like in-depth interviews or focus group discussion and applying other theories might unveil further results.

Over the past few decades, a large number of research studies have examined tourism. However, studies that examine halal tourism are still limited. Therefore, the purpose of this study is to conduct a bibliometric analysis related to halal tourism based on the results of empirical research studies that have been published.

The approach in this study uses a systematic literature review related to halal tourism as a reference in “Article Title, Abstract and Keywords” based on the Scopus database from 1997 to 2023. The analysis was conducted on January 8, 2023. The data that has been collected will be analyzed bibliometrically using VOSviewer.

The research findings show that research related to halal tourism is still relatively rare, especially in countries/locations where the majority of the population is non-Muslim. This can be seen from the majority of previous studies conducted in Muslim-majority countries/locations, such as Malaysia and Indonesia. Future research should be conducted in countries/locations where the majority of the population is non-Muslim.

This study relies on research in halal tourism literature in the Scopus database. Future studies can combine with the Web of Science database to expand generalization.

The results of this study include implications for managing and developing sustainable halal tourism in the future for practitioners.

The results of this study provide a strategic perspective to practitioners and society in general to find out how the concept of sustainable halal tourism development in the future is in accordance with Islamic sharia.

Research related to halal tourism is currently starting to develop in various countries, both with a majority Muslim and non-Muslim population. In addition, until now research related to halal tourism is still limited literature that discusses.