Participatory budgeting; participatory institutions and mechanisms; political parties and organization; comparative political institutions: policy diffusion; social movement; Latin American politics; Brazil; Hong Kong
"Party Organization Matters: The Diffusion of PB under the Workers' Party in Brazil"
"The Tentacles of Participatory Budgeting: Cross-Party Diffusion of PB in Brazil"
"The Politics of “Failed Policy” – The Decline of Participatory Budgeting in Brazil"
"When Paper Stones are not Enough: Party System Institutionalization and Protests" (co-author with Omar Coronel)