Certificate-of-need (CON) laws currently prohibit entry or expansion of healthcare facilities in 35 states and the District of Columbia. In a lengthy process, medical providers must prove to regulators that their new services and equipment are needed. Medical providers who succeed are...

Certificate-of-need (CON) laws in 21 states restrict medical providers from acquiring imaging equipment, including magnetic resonance imaging (MRI), computed tomography (CT), and positron emission tomography (PET) scanners. Using difference-in-difference methods to control for state invariant...