ResearchBenchmarksCounterfactual Distribution Estimation on 401k SplitSupport outcome (synthetic)Counterfactual Distribution Estimation on 401k SplitSupport outcome (synthetic)Follow4Average W1 ErrorDecFM2.1614.582739.42May 8, 2026Evaluation resultsMethodMethodLinksAverage W1 ErrorDecFM2026.054INF2026.056DoubleGenimplementation=flow-ma...implementation=flow-matching2026.057DRMKSD2026.058TSE2026.0526KDE2026.0550