All of WSIPP's research is published on our website. The Publications page includes every report we've released—from our founding in 1983 to the present. Each report entry includes the title, publication date, abstract, any available supplemental materials, and a downloadable PDF.
WSIPP reports are not updated after publication, and any report older than two years is designated with an “Archived” label.
To explore our benefit-cost and meta-analytic findings, please visit the Benefit-Cost section of the website.
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The 2010 Washington State Legislature funded a study to examine options to contain costs in the state Medicaid program. Following a competitive bid, George Washington University was selected as the contractor. They found that small numbers of users account for most fee-for-service spending for inpatient and outpatient services. Options to reduce short-term costs include reducing reimbursement, placing restrictions on benefits, and instituting cost-sharing for beneficiaries. Long-term solutions require concentrated, coordinated care management for high-use, high-cost Medicaid beneficiaries and strategic approaches to reform the service delivery system, with accompanying payment reform to incentivize change.