Ernesto F. Calvo (Ph.D. Northwestern University) is a professor of political science in the Department of Government and Politics at the University of Maryland. His research focuses on the comparative study of electoral and legislative institutions. His work has been published in the American Journal of Political Science, World Politics, Comparative Political Studies, the British Journal of Political Science, Electoral Studies, and other top journals of EEUU, Europe, and Latin America. He has received awards from the American Political Science Association and the Latin American Studies Association for his work on electoral systems and the distribution of patronage resources. He is currently conducting research on patronage networks, cosponsorship networks, and representation.