The Authors

Brian F. Crisp is Professor Emeritus in the Department of Political Science at Washington University in St. Louis. His research has focused on the electoral systems, legislative politics, and interbranch relations. One of his most recent projects examines when roll call vote results can generate a biased view of legislative politics. Another ongoing project examines the question of whether electoral rules are responsible for the under-representation of minorities in U.S. local governments.

Patrick Cunha Silva is Assistant Professor in the Department of Political Science at Loyola University Chicago. His research focuses on representation and electoral politics, aiming to uncover the reasons behind the underrepresentation of certain groups in public office and the impact of electoral rules on the behaviors of voters and elites.

Santiago Olivella is Associate Professor of Political Science and of Data Science & Society at the University of North Carolina at Chapel Hill. His research focuses on the use and development of novel computational methods for quantitative political research, the inferential study of networks, the measurement of latent traits, and the consequences of electoral and legislative institutions.

Guillermo Rosas is Professor in the Department of Political Science at Washington University in St. Louis. His research focuses on the economic consequences of political regimes and on the effects of political institutions on political elite behavior, especially in Latin America.