Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
The most significant pieces of the Affordable Care Act (exchanges, subsidies, Medicaid expansion, and individual mandate), implemented in 2014, were associated with sizable gains in coverage nationally that were divided equally between gains in Medicaid and private coverage. These national trends mask heterogeneity in gains by state Medicaid expansion status, age, income level, and source of coverage. © 2016 The Authors. Health Economics published by John Wiley & Sons Ltd.