Addresses some of the gaps in available information about state health insurance markets, looking at group and individual markets in 49 states. Notes that a few dominant insurers hold most of both the group and individual market in most states, and that competition in every state is imperfect.

Addresses some of the gaps in available information about state health insurance markets, looking at group and individual markets in 49 states. Notes that a few dominant insurers hold most of both the group and individual market in most states, and that competition in every state is imperfect.