arxivcs.LGcs.AI2026-07-18
Counterfactual Shapley Credit Assignment
Mingxuan Li, Kaizhan-Lee, Elias Bareinboim
The Credit Assignment Problem (CAP) is fundamental to developing efficient and explainable Reinforcement Learning (RL) agents. Existing frameworks, whether relying on temporal contiguity or hindsight-conditioned reward reweighting, frequently fail to attribute properly between an…