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Getting the Price Right? The Impact of Competitive Bidding in the Medicare Program

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  • Hui Ding

    (Fudan University)

  • Mark Duggan

    (Stanford University and NBER)

  • Amanda Starc

    (Northwestern University and NBER)

Abstract

We study Medicare’s competitive bidding program for durable medical equipment. We use Medicare claims data to examine the effect on prices and utilization, focusing on continuous positive airway pressure devices for sleep apnea. We find that spending falls by 47.2% after a highly imperfect bidding mechanism is introduced. This is almost entirely driven by a 44.8% price reduction, though quantities also fall by 4.3%. To disentangle supply and demand, we leverage differential cost sharing across Medicare recipients. We measure a demand elasticity of −0.272 and find that quantity reductions are concentrated among less clinically appropriate groups.

Suggested Citation

  • Hui Ding & Mark Duggan & Amanda Starc, 2025. "Getting the Price Right? The Impact of Competitive Bidding in the Medicare Program," The Review of Economics and Statistics, MIT Press, vol. 107(1), pages 204-220, January.
    • Handle: RePEc:tpr:restat:v:107:y:2025:i:1:p:204-220
    DOI: 10.1162/rest_a_01249
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