Peer Reviewed Publications

Spada, P. and Vreeland, J. R. 2013. “Who Moderates the Moderators? The Effect of Non-neutral Moderators in Deliberative Decision Making”. Journal of Public Deliberation, v9(3).


Spada, P. and Guimarães, F. 2013. “Investigating Elite Behavior Through Field Experiments: do candidates answer more to core or swing voters?”. Brazilian Political Science Review, v7(1).


Papers under review

Spada, P., Klein, M., Calabretta, R., Iandoli, L. and I. Quinto 2014 “A First Step toward Scaling-up Deliberation: Optimizing Large Group E-Deliberation using Argument Maps”. Under review: Journal of Politics.


Spada, P. 2014 “The Adoption and Survival of Democratic Innovations: A Panel Data Analysis of the Diffusion of Participatory Budgeting in Brazil.” Under review: Policy Studies Journal.


Book Chapters

Spada, P. and Allegretti, G. 2014 “The Role of Redundancy and Diversification in Multi-Channel Democratic Innovations”. Forthcoming in “In/Equalities, Democracy and the Politics of Transition.” Volume edited by Jón Ólafsson, Bifröst University, Iceland.


Spada, P, Mellon, J., Peixoto, T. and Sjoberg, J. 2014 “Effects of the Internet on Participation: a Study of the Participatory Budgeting Vote in Rio Grande do Sul” Forthcoming in “ICT Households and Enterprises, Survey on the Use of Information and Communication Technologies in Brazil 2013.” Volume edited by the Brazilian Network Information Center, São Paulo, Brazil.


Working Papers


“The Political and Economic Effects of Participatory Budgeting in Brazil”.


“Investigating Candidates’s Office Seeking Behavior: A Field Experiment in Brazil on the 2010 Federal and State Elections”. Joint work with H. Kern, F. Guimarães, and G. Cepaluni.


“The Digital Revolution and Governance in Brazil: Evidence from Participatory Budgeting.” Joint with B. Wampler and M. Touchton.



Case study on Participatory Budgeting in Cruz Alta (RS) 2014. Participedia.


Answers’ key; “Field Experiments: Design, Analysis, and Interpretation” by Alan Gerber and Donald  Green, Norton, W. W. & Company, Inc, 2012. 


Book Review; “Participatory Budgeting in Brazil: Contestation, Cooperation, and Accountability” by Brian Wampler, Published in Latin American Politics and Society, 2009.