Why higher copayments for opioids did not reduce use among Medicare beneficiaries
Geoffrey Joyce; Bo Zhou; Robert Kaestner · 2023 · Health Economics
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Abstract To examine whether higher cost‐sharing deterred prescription opioid use. Medicare Part D claims from 2007 to 2016 for a 20% random sample of Medicare enrollees. We obtain estimates of the effect of cost‐sharing on prescription…
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Metadata source: Crossref · DOI 10.1002/hec.4779