Replication data for: Evolving Choice Inconsistencies in Choice of Prescription Drug Insurance

Jonathan Gruber & Jason Abaluck
We study choice over prescription insurance plans by the elderly using government administrative data to evaluate how these choices evolve over time. We find large \"foregone savings\" from not choosing the lowest cost plan that has grown over time. We develop a structural framework to decompose the changes in \"foregone welfare\" from inconsistent choices into choice set changes and choice function changes from a fixed choice set. We find that foregone welfare increases over time...
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