Reagan was wrong. The ACA is doing exactly what we hoped it would:
4. The ACA is contributing to the recent slow growth in health care prices and spending and is improving quality of care: ACA provisions that reduce Medicare overpayments to private insurers and medical providers are contributing to the recent slow growth in health care prices and spending. Other ACA reforms are reducing hospital readmission rates (see figure below) and increasing provider participation in payment models designed to promote efficient, high-quality care.