Working Papers

2014
Direkte Demokratie: Referenden aus demokratietheoretischer und sozialdemokratischer Sicht,
Friedrich-Ebert-Stiftung, Internationale Politikanalyse, Berlin: März 2014

2009
Inclusión y diversidad: ¿repensar la democracia? [Inclusion and Diversity: Rethinking Democracy?], DP 2/2009, Discussion Papers/fundación ideas para el progreso, Madrid: Fundación IDEAS, 20 p.

2008
The Quality of Democracy: Democracy Barometer for Established Democracies, Working Paper No. 10a. Zürich: National Center of Competence in Research (NCCR Democracy 21), March 2008 (revised version), 64 p. (together with Marc Bühlmann and Bernhard Weßels in cooperation with Lisa Müller).

2007
The Quality of Democracy: Democracy Barometer for Established Democracies, Working Paper No. 10. Zürich: National Center of Competence in Research (NCCR Democracy 21), August 2007, 62 p. (together with Marc Bühlmann and Bernhard Weßels in cooperation with Lisa Müller).

Challenges to Democracy in the 21st Century. Position Paper. Zürich: National Center of Competence in Research (NCCR democracy 21), 59 p. (together with Hanspeter Kriesi, Marc Bühlmann, Lars-Erik Cederman, Frank Esser, and Yannis Papadopoulos).

The limits of the EU: enlargement, deepening and democracy, Estudio/Working Paper 76/2007, Máster en Democracia y Gobierno, Departamento de Ciencia Política y Relaciones Internacionales, Universidad Autónoma de Madrid, 22 p. (together with Sonja Grimm).

2004
The Economic State of Development of Israel, the Czech Republic, Hungary and Turkey: 1998-2003 (a comparison), Discussion Paper, Israeli European Policy Network (IEPN), Tel Aviv: Friedrich-Ebert-Stiftung, Israel Office: September 2004, 15 p. (together with Mirko Krück).

Policy-Making in the European Union: Is There a Social Democratic Space? Bonn: Friedrich-Ebert-Stiftung, Internationale Politikanalyse, 15 p. (together with Tobias Ostheim).

2003
Institutions and Reform Policy: Three Case Studies on the Veto Player Theory. Centro de Estudios Avanzados en Ciencias Sociales (Juan March), Working Paper 186, 32 p.

1999
Defective Democracies, Juan March Institute Working Papers, Nr. 132/April, Madrid.

1996
Institutions and Democratic Consolidation in East Central Europe, Centro de Estudios Avanzados en Ciencias Sociales (Juan March) Working Papers Nr. 86/Dezember: 1-48. Also published in Spanish as Instituciones políticas en la consolidación democrática del Centro y Este de Europa, in: Fundación Juan March (ed.): Boletín Informativo Núm. 96/dicembre: 3-12.

1993
Integration and Democracy in the European Community. The Contours of a Dilemma, Centro de Estudios Avanzados en Ciencias Sociales (Juan March), Working Papers Núm 42: 1-39.

1989
After the Golden Age: A Decline of Social Democratic Policies in Western Europe during the 1980s? Harvard University Center for European Studies, Working Paper Series No. 20: 1-44.