Dzreke, S.S. and Dzreke, S.E. 2025. The fragility of efficiency: How lean inventory strategies amplify supply chain crisis losses – a $2.3 trillion analysis of geopolitical shocks across 1,864 manufacturing firms. Frontiers in Research. 2, 1 (Jul. 2025), 45–66. DOI:https://doi.org/10.71350/30624533107.