This paper presents an extension of the Prêt à Voter verifiable voting system to handle write-ins. This is achieved by introducing an additional ‘Write-In’ option and allowing the voter optionally to enter a write-in candidate of their choice. The voter obtains a receipt which includes their write-in, but that receipt does not indicate whether the write-in candidate was selected or not. The sys...

Many hard computational social choice problems are known to become tractable when voters’ preferences belong to a restricted domain, such as those of singlepeaked or single-crossing preferences. However, to date, all algorithmic results of this type have been obtained for the setting where each voter’s preference list is a total order of candidates. The goal of this paper is to extend this line...

We conducted a field experiment to measure the effect of exposure to newspapers on political behavior and opinion. Before the 2005 Virginia gubernatorial election, we randomly assigned individuals to a Washington Post free subscription treatment, a Washington Times free subscription treatment, or control. We find no effect of either paper on political knowledge, stated opinions or turnout in po...

In the time since the rise of the Internet, it has often been claimed that it has the potential to contribute to the quality of democracy by fostering citizens’ involvement in politics. So far, empirical evidence regarding this purported effect has been mixed, and many questions about the consequences of specific forms of political Internet use (PIU) have remained unanswered. This study expands...

Threat analysis of voting systems is a field of increasing interest. While it is important to verify the system itself, it has been found that certain vulnerabilities only become apparent when taking a “systembased” view, i.e. considering interactions between the various components of a scheme. In this paper we apply a model for system-based analysis to carry out a systematic threat analysis of...