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The aim of this paper is threefold: (1) to develop a new measure of investor sentiment rational (ISR) of developing countries by applying principal component analysis (PCA), (2) to investigate co-movements between the ten developing stock markets, the sentiment investor's, exchange rates and geopolitical risk (GPR) during Russian invasion of Ukraine in 2022, (3) to explore the key factors that might affect exchange market and capital market before and mainly during Russia–Ukraine war period.

The wavelet approach and the multivariate wavelet coherence (MWC) are applied to detect the co-movements on daily data from August 2019 to December 2022. Value-at-risk (VaR) and conditional value-at-risk (CVaR) are used to assess the systemic risks of exchange rate market and stock market return in the developing market.

Results of this study reveal (1) strong interdependence between GPR, investor sentiment rational (ISR), stock market index and exchange rate in short- and long-terms in most countries, as inferred from (WTC) analysis. (2) There is evidence of strong short-term co-movements between ISR and exchange rates, with ISR leading. (3) Multivariate coherency shows strong contributions of ISR and GPR index to stock market index and exchange rate returns. The findings signal the attractiveness of the Vietnamese dong, Malaysian ringgits and Tunisian dinar as a hedge for currency portfolios against GPR. The authors detect a positive connectedness in the short term between all pairs of the variables analyzed in most countries. (4) Both foreign exchange and equity markets are exposed to higher levels of systemic risk in the period of the Russian invasion of Ukraine.

This study provides information that supports investors, regulators and executive managers in developing countries. The impact of sentiment investor with GPR intensified the co-movements of stocks market and exchange market during 2021–2022, which overlaps with period of the Russian invasion of Ukraine.

The purpose of this paper is to investigate the relationship between strategic human resource management (SHRM) practices and organizational resilience in a Tunisian democratic transition context. It is hypothesized that five SHRM practices influence three organizational resilience dimensions.

The research design is based on a deductive approach. The relations were checked over two periods by using quantitative methods. Questionnaires were addressed to top managers of resilient Tunisian companies. The hypotheses were verified after.

Results showed that SHRM practices affect the resilience dimensions. Analysis showed that SHRM practices enhance the robustness of firms, especially in the second period, and significantly influence agility and integrity.

Managers can use these findings to develop targeted actions in HRM to enhance a specific resilience dimension. They can make better decisions based on knowledge surrounding the precise effects of SHRM practices on resilience dimensions.

The authors highlighted the role of SHRM in developing organizational resilience. Gaps were noticed in the organizational resilience literature. This research is among the rare studies that have investigated the linkage between SHRM practices and organizational resilience. By using quantitative methods and adopting a longitudinal perspective for analyzing data, it leads to better identify the evolution of the influence of SHRM practices on each resilience dimension over time.

The purpose of this research is to study the impact of talent management practices on organizational resilience in Tunisian firms in times of the sanitary crises due to COVID-19.

A hypothetico-deductive approach is adopted. First, it is hypothesized that four talent management practices positively affect organizational resilience. Then, the hypotheses were tested by using quantitative methods. Data were collected through questionnaires and analyzed with PLS-SEM techniques.

Results show that talent identification positively affects organizational resilience operationalized through the three dimensions of agility, integrity and robustness. Talent development and talent succession planning positively influence the firms' agility only, whilst talent retention had no effect on the three organizational resilience dimensions.

The findings of this research may be helpful for human resources managers to recognize among talent management practices those that are mostly associated with organizational resilience and its dimensions. This could help them revise some talent management practices and implement those that are lacking to ensure strong and resilient firms, especially in a context characterized by the occurrence of crises of different natures.

The literature review showed that talent management practices and organizational resilience relationships are understudied. This research empirically highlights the relevance of the linkage between them. It contributes to the rare existent works by identifying a significant effect of talent identification on all organizational resilience dimensions and a positive effect of talent development and succession planning on agility.

This study aims to discuss the determinants of Islamic banks’ efficiency. It tries to explore the source of Islamic banks’ inefficiencies to propose solutions to guarantee an acceptable level of technical efficiency of such banks in Gulf Cooperation Council (GCC) countries.

To achieve this objective, the authors use a parametric approach, especially, the stochastic frontier approach, using production function and panel data analysis. The authors apply a package Frontier 4.1 for the estimation process, which is composed of two principal steps. In the first step, the authors estimate Islamic banks’ efficiency scores in different GCC countries based on an output distance function. In the second step, the analysis highlights the impact of managerial-specific education on Islamic accounting and finance, scarcity of Sharīʿah scholars, the board independence and chief executive officers’ (CEOs) duality on GCC Islamic banks’ efficiency.

This study’s results document that managerial-specific education on Islamic accounting and finance and the board of directors’ composition, especially, the board’s independence, can largely explain the technical efficiency scores of Islamic banks in GCC countries. Especially, the authors find evidence that managerial-specific education is negatively associated with the inefficiency term. The coefficient of the Sharīʿah scholar’s variable has a positive sign indicating that the more there are Sharīʿah experts, the more the bank is efficient. In addition, CEOs’ duality seems to have no significant effect on GCC Islamic banks’ efficiency.

GCC Islamic banks need to improve the presence of independent members on the board of directors. In addition, these banks are invited to count more on Sharīʿah auditors and educated staff characterized by a high level of competency in the domain of Islamic banking and finance.

To the best of the authors’ knowledge, this is the first study that highlights the effect of managerial-specific education in Islamic accounting and finance and scarcity of Sharīʿah scholars on Islamic banks’ efficiency.