The Impact of the Coverage-Related Provisions of the Patient Protection and Affordable Care Act on Insurance Coverage and State Health Care Expenditures in Montana

An Analysis from RAND COMPARE

by David I. Auerbach, Sarah A. Nowak, Jeanne S. Ringel, Federico Girosi, Christine Eibner, Elizabeth A. McGlynn, Jeffrey Wasserman

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The Patient Protection and Affordable Care Act (ACA) contains substantial new requirements aimed at increasing rates of health insurance coverage. Because many of these provisions impose additional costs on the states, officials need reliable estimates of the likely impact of the ACA in their state. To demonstrate the usefulness of modeling for state-level decisionmaking, RAND undertook a preliminary analysis of the impact of the ACA on five states — California, Connecticut, Illinois, Montana, and Texas — using the RAND COMPARE microsimulation model. For Montana, the model predicts that, in 2016 (the year that all of the provisions in the ACA related to coverage expansion will be fully implemented), the uninsured rate in Montana will fall to 3 percent; without the law, it would remain at 18 percent. The model projects that total state government spending on health care will be 3 percent higher for the combined 2011–2020 period because of the ACA.

The analytic work presented in this document by RAND Health was sponsored by, and conducted in close partnership with, the Council of State Governments.

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