The majority runoff system is widely used around the world. Yet, our understanding of its properties and of voters’ behavior is limited. In this paper, we fully characterize the set of strictly perfect voting equilibria in large three-candidate majority runoff elections. Considering all...

We propose a mechanism linking legislative gridlock to voters' support for candidates who hold extreme policy positions. Moderate voters rationally discount extreme policy proposals from co-partisans on gridlocked policy issues because on these issues policy change is unlikely. We test our...