Scott Harrington and Kurt Wrobel: ACA Rate Increases, Risk Adjustment, and Health Insurance Market Stability

The recently announced proposed rate increases for many insurers offering health insurance through the Affordable Care Act (ACA) exchanges have brought renewed attention to instability in health insurance markets and the long-term sustainability of the exchanges – apart from disruptions that would ensue if the Supreme Court rules in King v. Burwell that the ACA does not allow premium subsidies in states with federal exchanges.