GAO-14-657:
Published: Aug 29, 2014. Publicly Released: Sep 29, 2014.
Most of the largest issuers of health coverage from 2012 participated in the exchanges that the Patient Protection and Affordable Care Act (PPACA) required be established in all states in 2014. Previously, in 2012, while a large number of issuers participated in state individual and small-group markets, a small number of these participating issuers held a majority of the market share in terms of e...
