Campaign donors in the United States, though a small and unrepresentative segment of the broader electorate, have the financial means to potentially exert an outsized influence in American politics. Understanding the micro-foundation of donor behavior–why do they give? And how do they choose...

The recent nation-wide health reform --- Patient Protection and Affordable Care Act, or simply ACA --- drastically altered the functioning of the health insurance industry in the US, opening many questions about how the system should be designed and regulated. While previous literature largely...