Group identification refers to the problem of classifying individuals into groups (e.g., racial or ethnic classification). We consider a multinary group identification model where memberships to three or more groups are simultaneously determined based on individual opinions on who belong to what...

We consider a test of expressive voting developed by Brennan and Lomasky (1993). They point out that in presidential elections the probability of a tie, and casting a decisive vote, increases “multi-billionfold” as the election becomes increasingly close. They conjecture that if voters are...

The problem of social choice is studied on a domain with countably many individuals. In contrast to most of the existing literature which establish either non-constructive possibilities or approximate (i.e. invisible) dictators, we show that if one adds a continuity property to the usual set of...

This study extends the political science and political psychology literature on the political ideology of lawmakers by addressing the following question: How stable is a legislator's political ideology over time? In doing so, we employ Nokken-Poole scores of legislators' political ideology for...

The 2017 U.S. Senate Special Election in Alabama, which was decided on 12 December 2017, was one of the most contentious and scandal-laden political campaigns in recent memory. The Republican candidate, Roy Moore, gained notoriety during the 2017 campaign when a number of women alleged to...