1. Insurer participation in rural health insurance marketplaces: are some markets intrinsically more competitive than others? Author(s): Barker, Abigail R., authorMcBride, Timothy D., authorMueller, Keith J., author Publication: Iowa City, IA : Rural Policy Research Institute, June 2019 Subject(s): Economic CompetitionHealth Insurance ExchangesInsurance CarriersRural PopulationUnited States