New Jersey is rankednationally as to how much competition between different health insurers dropped between 2010 and 2013, according to the American Medical Association. This ranking was included in a report by the AMA analyzing the potential effect of two proposed insurance-industry mergers, between Anthem and Cigna and between Aetna and Humana. The AMA argues that decreasing competition among insurers isn’t in the interest of patients or providers, and could lead to higher prices. The association measured competition by looking at how much of the market in different metropolitan areas was controlled by the largest companies, a measurement similar to that used by federal antitrust regulators.
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