Enrollment in ACA insurance marketplaces was expected to decline in 2018, compared to 2017. Yet, 15 states actually saw higher enrollment while others did experience declines). To understand why these dual trends emerged, the Urban Institute interviewed state officials, insurers, and other key players in five states (Rhode Island, Washington, New York, West Virginia, Louisiana).
The results of the interviews can be obtained at https://www.urban.org/sites/default/files/publication/98650/marketplace2018_2001877.pdf.