Survey results show that the American public comes to the health care reform debate with ambivalent feelings and a relatively low base of specific knowledge. But Americans also hold a set of core values that will shape their response to various proposals for national change. These include (1) a moral commitment to the uninsured; (2) a desire to achieve personal peace of mind; (3) a lack of self...

I consider the problem of evaluating the effect of a health care reform on the demand for doctor visits when the effect is potentially different in different parts of the outcome distribution. Quantile regression is a useful technique for studying such heterogeneous treatment effects. Recent progree has been made to extend such methods to applications with a count dependent variable. An analysi...

n engl j med 363;20 nejm.org november 11, 201