NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Christina M. Dalton

Department of Economics
Wake Forest University

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Wake Forest University

NBER Working Papers and Publications

April 2015Salience, Myopia, and Complex Dynamic Incentives: Evidence from Medicare Part D
with Gautam Gowrisankaran, Robert Town: w21104
The standard Medicare Part D drug insurance contract is nonlinear—with reduced subsidies in a coverage gap—resulting in a dynamic purchase problem. We consider enrollees who arrived near the gap early in the year and show that they should expect to enter the gap with high probability, implying that, under a benchmark model with neoclassical preferences, the gap should impact them very little. We find that these enrollees have flat spending in a period before the doughnut hole and a large spending drop in the gap, providing evidence against the benchmark model. We structurally estimate behavioral dynamic drug purchase models and find that a price salience model where enrollees do not incorporate future prices into their decision making at all fits the data best. For a nationally representat...
 
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