Against the backdrop of complex and volatile global geopolitics and escalating economic uncertainty, competition in the industrial chain has become increasingly fierce. As a key indicator of industrial security, industrial chain resilience describes the response process of an industry when encountering external shocks. Traditional industrial resilience indicators often overlook the emergent processes and causal laws of economic systems, making it difficult to truly reflect the recovery capacity and recovery paths of industrial systems in the face of shocks. How to quantify the resilience of the global industrial system across micro and macro scales from the perspective of causal emergence in complex systems has become an imperative research topic.

Recently, the team led by Professor Dingding Han from Fudan University published their latest research at the 2025 CSIS-IAC (International Annual Conference on Complex Systems and Intelligent Science). The study reveals a close correlation between the causal emergence theory in complex systems and input-output economics theory, and further proposes a resilience evaluation framework for the global industrial system based on causal emergence theory. The resilience evaluation method derived from this framework shows that the resilience of industrial systems with scale-free characteristics is more susceptible to the influence of upstream and downstream positions and types of shocks, while the resilience in small-world networks lies between that of random networks and scale-free networks. When demand shocks act on the global industrial system at the macro-regional level and supply shocks on the industrial system at the micro-sectoral level, an extension of the duration of the resistance phase significantly impairs the resilience of the industrial system. Economic agents can effectively resist the destructive impact of demand shocks on system resilience by increasing the number of inward links in the global industrial network, while appropriately reducing the number of outward links can effectively mitigate the destructive impact of supply shocks on system resilience. This research provides a novel physical perspective for formulating macro and micro industrial policies. The research findings were published in July 2025 at the International Annual Conference on Complex Systems and Intelligent Science (CSIS-IAC), an international academic conference under IEEE.