- (Forthcoming 2013, with Timothy Power) "Elite Preferences in a Consolidating Democracy: The Brazilian Legislative Surveys, 1990-2009" Latin American Politics and Society. Data available soon.
- (Forthcoming 2013, with Timothy Power) "Bolsa Família and the Shift in Lula's Electoral Base, 2002-2006" Latin American Research Review. Data available soon.
- (Forthcoming 2013) "Legislative Coalitions in Presidential Systems: The Case of Uruguay'' Latin American Politics and Society. Data available soon.
- (Forthcoming 2012) "Estabilidad Sin Raices: La Institucionalización del Sistema de Partidos Brasileño'' In Mariano Torcal (org.) Los problemas de la Institucionalización de los Sistemas de partidos en America Latina, Ch. 3, CIDOB, Barcelona. Version in English
- (2011, with Ben Lauderdale) "Distinguishing Between Influences on Brazilian Legislative Behavior" Legislative Studies Quarterly 36(3), p.363–396. Links to Web-appendix and complete set of ideal point estimates.
- (2011, co-edited volume organized with Timothy Power) O Congresso por ele mesmo. UFMG Press, Belo Horizonte. Data available here.
- Esquerda, Direita e Governo: A ideologia dos partidos políticos brasileiros (Chapter in the above mentioned book)
- (2009) "Ideology or What? Legislative Behavior in Multiparty Presidential Settings" The Journal of Politics, 71(3), p.1076-1092.
Data available here.
- (2009, with Timothy
Power) "Estimating Ideology of Brazilian Legislative Parties, 1990-2005" Latin American Research Review, 44(1), p218-246.
Data available here.
- (2008) "The President's `New' Constituency: Lula and the Pragmatic
Vote in Brazil's 2006 Presidential Election" Journal of Latin American Studies, 40, p29-49. Data available
here.
- (2008, with Daniela Campello) "A esquerda em um país democrático, globalizado e desigual: Uma análise do Brasil de Lula" in Moreira, Carlos et al (Editors), Perspectivas Analíticas Sobre Nuevos Gobiernos y Sociedad en America Latina. Trilice, Montevideo.
- (2007) "Where's the Bias: A Reassessment of the Chilean Electoral System'' Electoral Studies, 26, p303-14. Data available here
- (2006,Op-ed piece) "O Eleitorado Governista'' O Globo, Nov/7/2006, p.7
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