From: New York Times
By UWE E. REINHARDT
Uwe E. Reinhardt is an economics professor at Princeton. He has some financial interests in the health care field.
How does competition work in the health insurance market? Do more competitors in a market area — say, a state — invariably mean a better deal for the insured?
These questions are germane as regulators are busy implementing the Affordable Care Act, which imposes a series of stringent new regulations on the market for health insurance, particularly the market for small-group or individually purchased insurance.