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This study aims to investigate the market reaction in the cyclical consumer sector to the US–Houthi conflict. Furthermore, the authors explore the impact of this conflict on market reactions by market and region.

Using an event study methodology, this paper analyze a sample of 1,973 companies. This paper used multiple event windows, including a 15-day period before the invasion announcement as the preinvasion event and a 15-day period after the invasion announcement as the postinvasion event.

The authors find that pre the event of war, the market tended to show a positive reaction, but toward the event day until post event, the market in the consumer cyclical sector actually reacted significantly negatively to the conflict, especially in developed and developing markets. The Asia and Pacific market is the market that feels the most negative impact from the US–Houthi conflict compared to other markets. Furthermore, in terms of industry types in the consumer staples sector, Food and Tobacco and Personal and Household Products and Services felt the negative impact, although the majority of all industries reacted significantly negatively.

This study focuses on the US–Houthi conflict, an event that has not been extensively studied in the context of market reactions. Unlike previous research, this study specifically examines the impact of the conflict on the consumer cyclical sector, emphasizing the significance of trade route disruptions, particularly the Suez Canal, on global markets. By providing insights into how such geopolitical events affect different regions and industries, this study offers valuable guidance for policymakers and managers in mitigating the adverse effects of geopolitical risks on market stability.

This study aims to examine market reactions to the Israel–Hamas conflict in neighboring countries, particularly focusing on the Middle East North Africa (MENA) region.

The study adopts an event study methodology, employing average abnormal return (AAR) and cumulative abnormal return as measures to assess market reactions. The sample for this study comprises 1,314 companies, with October 9, 2023, identified as the event day for analysis.

The results of our study indicate that countries in close proximity to Israel and Palestine encountered detrimental effects on their capital markets, as evidenced by negative responses observed across various sectors. Our analysis also reveals that countries in the midst of conflict, particularly Israel, experienced a decrease in their stock markets across various sectors, with the exception of materials and real estate. In addition, our investigation reveals disparities in market responses according to different categories of company size.

This research is the first to study market reactions to Israel–Hamas in the MENA region at the company level.

This study aims to investigate the market reaction to dividend announcements in five ASEAN countries during the COVID-19 pandemic. We focus on sectors that are less vulnerable during the COVID-19 pandemic, such as communication services, consumer staples, healthcare and information technology.

A sample of 5,648 dividend announcements from listed companies is utilized for this study, employing the event study method. The market reaction is measured using cumulative abnormal return (CAR), and cross-section regression is employed to examine the determinants of market reaction.

The findings reveal a significant positive reaction in the communication services, consumer staples, healthcare and information technology sectors following the announcement of an increase or decrease in dividends. These results imply that dividend increase announcements serve as a positive signal for investors amidst the COVID-19 pandemic. However, the market does not respond significantly to announcements of decreased and constant dividends during the pandemic as they are perceived as unfavorable signals. This paper also highlights the role of dividends as a communication tool through which companies express optimism in facing the challenges posed by the COVID-19 pandemic to their investors.

This study highlights the role of dividends as a communication tool through which companies express optimism in facing the challenges posed by the COVID-19 pandemic to their investors.

This study offers a novel cross-country analysis of the market reaction to dividend announcements in the ASEAN region, considering both the pandemic and post-pandemic periods and focusing on sectors less impacted by COVID-19. Unlike previous studies that are limited to single-country or sector-specific analyses, our research uniquely addresses the broader ASEAN context and includes insights into the “new normal” period.

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。

The purpose of this study is to examine the causality between the environmental, social and corporate governance (ESG) score, which is the component of banks’ performance obtained from ESG activities, and the capital costs, market values and bankruptcy risk of banks. For this purpose, 117 banks with fully accessible data from 29 developing countries were included.

In the methodology part of the study, the panel causality test developed by Emirmahmutoglu and Köse was used based on the periods 2015–2022. First, the cross-section test and delta tests were performed. Then, Levin, Lin and Chu, Breitung, Im, Pesaran, Shin, Fisher ADF and Fisher-PP panel unit root tests and Emirmahmutoglu and Köse panel causality test were performed.

As a result of the analyses, bidirectional causality was observed between ESG and weighted average cost of capital of private banks. Similarly, bidirectional causality from ESG to company market capitalization and from ESG to the risk indicator ZSCORE was determined in both private and state banks. The results reveal that ESG components should also be considered in relation to financial performance. In this respect, it is expected to guide regulatory and supervisory institutions in the establishment of regulations and guidelines regarding the determination and promotion of ESG practices that will increase capital efficiency and reduce corporate financing costs.

Focusing on ESG activities has ceased to be an arbitrary situation for banks. In today’s competitive conditions, financial institutions are turning to strategies that differentiate them from their competitors, such as ESG, as they have difficulty maintaining customer loyalty. Based on the lack of focus on structure differentiation before, the main research question of this study is whether the private and public structure will cause a difference in the effect of ESG activities on bank performance and cost.