1. Health insurance exchanges: changes in benchmark plans and premiums and effects of automatic re-enrollment on consumers' costs : report to Congressional requesters Publication: Washington, DC : United States Government Accountability Office, November 2017 Subject(s): BenchmarkingConsumer BehaviorCosts and Cost AnalysisHealth Insurance Exchanges -- economicsInsurance, Health -- economicsEligibility DeterminationFinancing, PersonalHumansUnited StatesUnited States.
