We propose a formal model of small campaign contributions driven by an electoral motive, that is, by the possible influence of contributions on the outcome of an election. Electoral considerations produce strategic interactions among contributors, even when each donor takes as given the actions...

This paper studies the manipulation of electoral maps by political parties, known as gerrymandering. At the core of our analysis is the recognition that districts must have the same population size but only voters matter for electoral incentives. Using a novel model of gerrymandering that allows...