The problem of the uninsured - those eschewing the purchase of health insurance policies - cannot be fully understood without considering informal alternatives to market insurance called "self-insurance" and "self-protection", including the publicly and charitably-financed safety-net health care...

The problem of the uninsured cannot be fully understood without considering the role of non-market alternatives to 'market insurance' called 'self-insurance' and 'self-protection' (SISP), including the public 'health care safety-net' system. We tackle the problem by formulating a...

We study charitable giving within social groups. Exploiting a unique dataset, we establish three key relationships between social group size and fundraising outcomes: (i) a positive relationship between group size and the total number of donations; (ii) a negative relationship between group size...