The 2008 update of Competition in Health Insurance: A Comprehensive Study of U.S. Markets — which looked at 314 metropolitan areas and 42 states — revealed findings that "coupled with higher insurance premiums, higher profits, lower scope of benefits and high barriers to entry, leads to the conclusion that health insurers are exercising market power in many parts of the country," according to the AMA.
The report is free to AMA members; it costs $150 for non-members.
Learn more about Competition in Health Insurance: A Comprehensive Study of U.S. Markets.
