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stat.AP2026
Beyond Zipf's Law: Equifinality and Mechanistic Inference from Scaling Laws
Arthur Charpentier
Scaling laws summarize complex systems through low-dimensional regularities, but the same marginal law can arise from different stochastic dynamics. We examine this ambiguity for Z…
stat.AP2026
From Rating Factors to Crash Mechanisms: A Multiscale Causal DAG Framework Linking Motor Insurance and Road Safety
Arthur Charpentier
Road safety mechanisms operate within seconds, minutes and trips, whereas motor insurance observes liability claims aggregated over policy years. An annual rating coefficient can t…