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Oregon Medicaid Lottery
- In 2008, Oregon expanded Medicaid using a lottery system.
- This created a natural experiment for researchers to study the effects of health insurance.
US Healthcare System Overview
- The US healthcare system is a complex patchwork of public and private programs.
- Many remain uninsured, receiving limited care through emergency rooms or charity care.
Challenges in Studying Health Insurance Impact
- Studying the impact of health insurance is difficult due to confounding factors.
- People with insurance often differ from those without in ways that affect health, like income and pre-existing conditions.