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The purpose of this study investigates the short-term market reaction of three commodity futures indices for four recent events of high geopolitical risk: the Ukraine–Russia war, the Taiwan Strait crisis and the Hamas terrorist attack on Israel.

The author examines three commodity futures indices at and around the beginning of four recent events of high geopolitical risk using an event study methodology.

The results show a positive abnormal return for the commodity futures indices for three of the four recent events considered in the analysis. The exception in terms of abnormal returns observed is the visit of US Speaker of the House Nancy Pelosi to Taiwan on August 2, 2022, which resulted in statistically significant negative abnormal returns in the commodity futures around the visit. The other three geopolitical events, by causing an increase of uncertainty level and supply-side constraints, led to a rise in the price of most commodity futures. This allowed commodity-exporting countries to achieve positive and statistically significant abnormal returns. Policy implications of our findings are discussed.

The effect of high geopolitical risk events on commodity futures indices has been relatively little examined in the financial theory. This study intends to fill this gap in the literature.

This study aims to examine the dynamic effect of FinTech on financial stability, with the moderating role of green finance (GF), its dimensions and mechanisms in the context of the spillover effects of the COVID-19 shock. This study used balanced panel data from 148 countries, including 76 developed and 72 emerging nations, from 2005 to 2022.

The research utilized the dynamic two-step system (GMM), and robustness was performed with the bootstrapped panel quantile regression.

The findings reveal that FinTech significantly affects financial stability across the entire sample. The overall composite of GF boosts financial stability by improving financial soundness. The GF dimensions, such as environmental, resource and financial, positively influence FS, while the GF economic dimension hurts FS. The moderating role and all interaction terms of GF dimensions with FinTech contribute positively and significantly to FS. While the interaction term GF resources with FinTech negatively impacts FS, indicating that countries should utilize resources more efficiently. Additionally, the COVID-19 spillover effect negatively influences FS across all samples. In advanced countries, FinTech and green finance positively affect FS. In emerging countries, green finance (except for the resource dimension) and FinTech interactions enhance financial stability, (except for the environmental dimension), leading to environmental hazards from their highly intensive industrial carbon policies.

The findings suggest that policymakers should prioritize promoting the adoption of initiatives related to FinTech and green finance by integrating sustainable transition finance policy frameworks to maintain stability and foster low-carbon economies for a sustainable future.

Improved financial stability has more significant social effects, such as better investment instruments, confidence and economic growth. Policymakers can leverage these findings to establish resilient financial ecosystems, fostering sustainable economic development and decreasing the risk of financial crises.

This study offers novel insights into how FinTech and multi-dimensional green finance effect financial stability in advanced and emerging nations. It provides unique insights into context-specific dynamics and enhances the literature on financial stability.

Applying servant leadership theory, this study aims to investigate whether servant leadership predicts service excellence of bank employees through mediating role of psychological capital (PsyCap). It also tests buffering role of conscientiousness in boosting service excellence.

The study uses data collected from 224 bank employees. SPSS and jamovi statistics were used for data analysis.

Study findings suggest a significant relationship between servant leadership, service excellence and PsyCap. PsyCap emerged as a mediator, and conscientiousness moderated the nexus between servant leadership and service excellence.

Findings highlight important implications for organisational practitioners. Because servant leadership leads to service excellence, practitioners should consider adopting servant leadership at every organizational level. Further, servant leaders could enhance followers’ PsyCap for creating service excellence. Organisations should use customized training programs and development interventions to enhance service excellence.

This study is one of the few studies to investigate the mediating role of PsyCap as a personal resource and buffering role of conscientiousness for service sector employees. Study generates new insights on employee experiences working in service sectors.