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Empirical studies apply a Change-Point Driven Difference-in-Differences with Decay Model to quantify the effect of great coaches on Olympic performance. The model reveals effect half-lives, such as over 20 years for systematic coaching systems and 5.3 years for technology-driven interventions, and predicts medal breakthroughs for specific teams.
Data is 5.5 KB, likely containing model outputs or summary statistics, not a large observational dataset; primary file format is XLS.