This study aims to analyze a model of post-disaster resilience and sustainability of Micro, Small, and Medium Enterprises (MSMEs) based on adaptive capability, risk management, and digital transformation in Langkat Regency. This study employed a quantitative approach using Structural Equation Modeling–Partial Least Squares (SEM-PLS). The research variables consisted of adaptive capability, risk management, digital transformation, MSME resilience, and MSME sustainability. The results showed that adaptive capability, risk management, and digital transformation had positive and significant effects on MSME resilience, with path coefficients of 0.310, 0.280, and 0.340, respectively. MSME resilience also had a positive and significant effect on MSME sustainability, with a path coefficient of 0.390. Furthermore, all three independent variables had direct and significant effects on MSME sustainability. The mediation analysis indicated that MSME resilience partially mediated the relationships between adaptive capability, risk management, digital transformation, and MSME sustainability. The R² value of 0.624 indicates that the model explains 62.4% of the variance in MSME resilience, while the R² value of 0.687 indicates that 68.7% of the variance in MSME sustainability is explained by the model. These findings confirm that strengthening adaptive capability, risk management, and digital transformation through enhanced resilience is important for supporting the sustainability of post-disaster MSMEs in Langkat Regency.
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