Detlef Jahn, Nils Düpont, Sven Kosanke, and Christoph Oberst together with Thomas Behm and Martin Rachuj.1 P PI – Parties, Institutions & Preferences: Codebook Version: 2018-02 Please quote the data as: Jahn, Detlef, Nils Düpont, Sven Kosanke, and Christoph Oberst together with Thomas Behm and Martin Rachuj. 2018. “PIP – Parties, Institutions & Preferences: PIP Collection [Version 2018-02].” Chair of Comparative Politics, University of Greifswald. Please send any paper using this dataset to Detlef Jahn (
[email protected]). For comments or further requests contact Sven Kosanke (
[email protected]) or Nils Düpont (
[email protected]). 1 For full credits see Appendix. Introduction| 1 Introduction P st nd The PI compiles information about parties, governments, 1 & 2 chambers and presidents and combines them with ideological data about parties (e.g. left-right positions). Additionally, various aspects of the European Union (EU) are covered as well, e.g. the composition of the P 2 European Parliament and the Commission. The PI covers 36 countries from 1944 to 2016, namely 23 OECD countries: Australia, Austria, Belgium, Canada, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Japan, Luxembourg, the Netherlands, New Zealand, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom, and the USA; together with thirteen Central and Eastern European and Mediterranean EU member states: Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Hungary, Poland, Slovakia, Slovenia, Latvia, Lithuania, Malta, and Romania. The ideological indices included are: Left-Right (LR), Green-Growth (GG) and subordinated indices by Jahn (2011; 2016), cohesion of parties on these dimensions based on Jahn and Oberst (2012), RILE and additional indices (Budge et al.