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This study aims to review all frameworks of strategic international human resource management (SIHRM) published between 1990 and 2022 to ascertain their relevance in the current context with a focus on methodologies and theories in the post-pandemic era.

In this study a pool of 69 papers published in 16 journals was considered for full-text evaluation using a set of relevant keywords and pre-defined inclusion/exclusion criteria.

The number of qualitative research papers is the highest (90%) and theoretical perspectives are dominated by research-based (17%), institutional (17%) and SIHRM (14%) theories that emphasize competitive advantage, resource dependence and multiple SIHRM frameworks.

This research incorporates dominant theoretical perspectives and methodologies within an integrated SIHRM framework which accommodates the post-pandemic era.

The integrated SIHRM framework reinforces the alignment of multiple contexts, dimensions, models and proportions to enable effective decisions for mitigating the current crisis and future research.

This research integrated a hybrid model of SIHRM by aligning the relevant existing SIHRM frameworks, which management can choose from to leverage the benefits that distributed remote work in an international context and decide what is most suitable for their businesses as they prepare for the future.

The purpose of the study is to adopt Morlet’s wavelet method to examine the differences in the level of volatility (i.e. riskiness) between the conventional and Shari’ah indexes during the COVID-19 pandemic (February 4 to June 19, 2020) on selected Association of South East Asian Nation (ASEAN) and Gulf Cooperation Council (GCC) countries. As a comparison, the equivalent time period of relative tranquillity is used; February 4 to June 19, 2019.

Morlet’s wavelet method is used in analyzing the volatility levels for both the conventional and Shari’ah indexes before and during the COVID-19 pandemic for the selected ASEAN and GCC countries.

This study has several findings; first, the markets in the ASEAN region appear to be more volatile during the pandemic than in the GCC region. Second, most of the Shari’ah indexes were more volatile during the COVID-19 pandemic than their conventional counterparts. Nevertheless, the GCC index pairs appear to show more similarities between both the Shari’ah and conventional index.

The findings from this study indicate that investors, government, regulators and all other stakeholders should stay vigilant during a pandemic or health threat period as it has become a pertinent source of volatility spillovers. As such, investors should devise optimal asset allocation strategies, portfolio diversification and portfolio rebalancing measures, taking into consideration not only financial adversity but also public health gravity as a potential source of turbulent markets.

This study uses the wavelet method to examine the volatility level of both the Shari’ah and conventional indexes during the COVID-19 pandemic and its equivalent time frame in 2019. It has further added to the Islamic literature by comparing the volatility between selected ASEAN and GCC countries. The wavelet method is most appropriate for short-duration studies as it captures both the time and frequency domains of the time-series behavior.