1. How Quorum Rules Distort Referendum Outcomes: Evidence from a Pivotal Voter Model;References Aguiar-Conraria;European Journal of Political Economy,2010
2. Referendum Design, Quorum Rules and Turnout;Public Choice,2010
3. Bringing Direct Democracy Back In: Toward a Three-Dimensional Measure of Democracy;David Altman;Democratization,2011
4. Assessing the Quality of Democracy: Freedom, Competitiveness, and Participation in 18 Latin American Countries;David Altman;Democratization,2002
5. National Referendums in the Process of European Integration: Time for Change;Andreas Auer;The European Constitution and National Constitutions: Ratification and Beyond,2007