| Presidentialism and Voter Turnout in Legislative Elections D Stockemer, P Calca Parliamentary Affairs 67 (3), 561-583, 2013 | 17 | 2013 |
| Corruption and turnout in Portugal—a municipal level study D Stockemer, P Calca Crime, Law and Social Change 60 (5), 535-548, 2013 | 15 | 2013 |
| Este é um Caminho ou um Atalho? Desemprego e Turnout no Comportamento Eleitoral dos Portugueses no Sentido da Europa (1987-2014) P Calca, S Koehler As eleições para o Parlamento Europeu em Portugal, 47-67, 2014 | 2 | 2014 |
| Kosovo: jogo sem fim, un estudio politológico sobre o quarto conflito dos Balcãs P Calca Fonde da palapvra, 2012 | 2 | 2012 |
| The fall of Portugal’s government has rewritten the country’s political rules P Calca LSE European Politics and Policy (EUROPP) Blog, 2015 | 1 | 2015 |
| Introducing a New Database on Legislative Behaviour in Portugal P Calca http://www.mzes.uni-mannheim.de/publications/wp/wp-160.pdf, 2015 | 1 | 2015 |
| As clivagens políticas e os partidos: uma abordagem P Calca CIES-IUL, 2010 | 1 | 2010 |
| To adapt or to disregard? Parties’ reactions to external shocks P Calca, M Gross West European Politics, 1-27, 2019 | | 2019 |
| To adapt or to disregard? Parties’ reactions to external shocks P Calca, M Gross West European Politics 42, 546-572, 2019 | | 2019 |
| Despite the crisis, Portugal’s 2015 election will be a straight contest between the country’s two mainstream parties P Calca LSE European Politics and Policy (EUROPP) Blog, 2015 | | 2015 |
| Government’s decision: a theoretical and empirical study on legislative initiative as strategic behaviour P Calca | | 2015 |
| Evidence from Portugal shows that citizens in corrupt areas are more likely to vote in elections D Stockemer, P Calca Democratic Audit Blog, 2014 | | 2014 |
| Citizens in the most corrupt areas of Portugal are more likely to vote in elections D Stockemer, P Calca LSE European Politics and Policy (EUROPP) Blog, 2013 | | 2013 |
| Former Leaders in Modern Democracies: Political Sunsets P Calca West European Politics 36 (4), 889-890, 2013 | | 2013 |
| Party Competition: An Agent‐Based Model by Michael Laver and Ernest Sergenti. Woodstock: Princeton University Press, 2012. 278pp.,£ 20.95, ISBN 978 0 691 13904 3 P Calca Political Studies Review 11 (2), 276-277, 2013 | | 2013 |
| Presidential speech-making and leadership images in times of crisis: Bush vs. Obama P Calca, S Köhler Image of US presidential administrations: the cases of George W. Bush and …, 2013 | | 2013 |
| Construções Atípicas de Democracia: "Qualitative Comparative Analysis" de África e dos Balcãs P Calca, T Ruel Nação e Defesa (http://www.idn.gov.pt/index.php?mod=1321&cod=138) 135 (5 …, 2013 | | 2013 |
| España, Grecia, Italia y Portugal: calidad de la democracia, la estabilidad política y políticas públicas P Calca, T Ruel Gestión pública, migración y desarrollo, 145-174, 2012 | | 2012 |
| Bush and Obama-Two Different Ways of Reacting to Crises? P Calca, S Koehler APSA 2011 Annual Meeting Paper, 2011 | | 2011 |
| A question of perspective. How Portuguese voters see and act in European elections A Cunha, P Calca CIES-ISCTE, 2008 | | 2008 |