Must-Read: Topher Spiro, Maura Calsyn, and Meghan O’Toole: Bigger Is Not Better: Proposed Insurer Mergers Are Likely to Harm Consumers and Taxpayers

Must-Read: Topher Spiro, Maura Calsyn, and Meghan O’Toole: Bigger Is Not Better: Proposed Insurer Mergers Are Likely to Harm Consumers and Taxpayers: “The primary example of research…

…a 1999 merger between Aetna and Prudential… statistically signifcant effects in raising premium prices… premiums that were 7 percent higher by 2007 than they would have been if local market concentration had remained the same as prior to the merger….2008… Sierra Health Services and UnitedHealth Group… the small-group insurance market… small-group premiums in the Nevada markets increased by 13.7 percent in the year a er the merger…