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  "Description": "Implements triple-difference (DDD) estimators for both\naverage treatment effects and event-study parameters. Methods\ninclude regression adjustment, inverse-probability weighting,\nand doubly-robust estimators, all of which rely on a\nconditional DDD parallel-trends assumption and allow covariate\nadjustment across multiple pre- and post-treatment periods. The\nmethodology is detailed in Ortiz-Villavicencio and Sant'Anna\n(2025) <doi:10.48550/arXiv.2505.09942>.",
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