U.S. GAO Study Analyzes Market Share Among Health Care Enrollees

The Patient Protection and Affordable Care Act (PPACA) requires the GAO to study competition and market concentration in the health insurance market. This study examined the individual, small group, and large group health insurance markets prior to the implementation of key PPACA provisions that went into effect in 2014 and that could have an effect on competition and market concentration among health insurers.

The study found that while several insurers participated in each state’s individual, small group, and large group health insurance markets in 2013, …

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