Inversions—in which the popular vote winner loses the election—have occurred in four US presidential races. We show that rather than being statistical flukes, inversions have been ex ante likely since the early 1800s. In elections yielding a popular vote margin within one point (one-eighth...

Inversions--in which the popular vote winner loses the election--have occurred in 4 US Presidential elections. We show that rather than being statistical flukes, inversions have been ex ante likely since the 1800s. In elections yielding a popular vote margin within one percentage point (which...

Extremely narrow election outcomes--such as could be reversed by rejecting a few thousand ballots--are likely to trigger dispute over the results. Narrow vote tallies may generate recounts and litigation; they may be resolved by courts or elections administrators (e.g., Secretaries of State...

In many markets insurers are barred from price discrimination based on con- sumer characteristics like age, gender, and medical history. In this paper, I build on a recent literature to show why such policies are inefficient if consumers differ in their willingness-to-pay for insurance...