Yes, the Medicaid expansion part of the ACA had a very high benefit-cost ratio. And those states that have blocked it have seen their poor suffer and die in not insignificant numbers for no comprehensible reason. Why do you ask?:

Sarah Miller, Sean Altekruse, Norman Johnson, and Laura R. Wherry: Medicaid and Mortality: New Evidence from Linked Survey and Administrative Data: "Changes in mortality for near-elderly adults in states with and without Affordable Care Act Medicaid expansions. We identify adults most likely to benefit using survey information on socioeconomic and citizenship status, and public program participation. We find a 0.13 percentage point decline in annual mortality, a 9.3 percent reduction over the sample mean, associated with Medicaid expansion for this population. The effect is driven by a reduction in disease-related deaths and grows over time. We find no evidence of differential pre-treatment trends in outcomes and no effects among placebo groups...

#noted #2019-12-01