We wish to thank the following academics for their generosity in contributing their expertise to this project.
| Country | Name | Institution |
| Australia | Ian McAllister | Australian National University |
| Australia | Francis Castles | Australian National University |
| Australia | Keith Dowding | Australian National University |
| Austria | Markus Wagner | University of Vienna |
| Austria | Sylvia Kritzinger | University of Vienna |
| Belgium | Jean-Benoit Pilet | Université libre de Bruxelles |
| Canada | André Blais | University of Montreal |
| Canada | William Cross | Carleton University, Ottawa |
| Canada | Isabelle Engeli | University of Ottawa |
| Canada | Richard Johnston | University of British Columbia |
| Canada | Stuart N Soroka | McGill University |
| Cyprus | Antonis A. Ellinas | University of Cyprus |
| Cyprus | Hubert Faustmann | University of Nicosia |
| Denmark | Christoffer Green-Pedersen | Aarhus University |
| Denmark | Karina Kosiara-Pedersen | University of Copenhagen |
| Finland | Anne Maria Holli | Univesity of Helsinki |
| Finland | Tapio Raunio | University of Tampere |
| France | Emiliano Grossman | SciencesPo |
| France | Bruno Cautrès | SciencesPo |
| France | Anne Jadot | University of Lorraine |
| Germany | Thomas Saalfeld | University of Bamberg |
| Germany | Hermann Schmitt | University of Manchester / Mannheim |
| Germany | Heiko Giebler | WZB |
| Greece | Dimitri A Sotiropoulos | National and Kapodistrian University of Athens |
| Greece | Giorgos Xezonakis | University of Ghotenburg |
| Ireland | David Farrell | University College Dublin |
| Ireland | Michael Marsh | Trinity College Dublin |
| Ireland | Shane Martin | Dublin City University |
| Iceland | Indridi Indridason | University of California |
| Iceland | Eva Heida Önnudottir | University of Mannheim |
| Italy | Marcello Carammia | University of Malta |
| Italy | Paolo Bellucci | University of Siena |
| Netherlands | Arco Timmermans | University of Leiden |
| Netherlands | Wouter van der Brug | University of Amsterdam |
| New Zealand | Fiona Barker | Victoria University of Wellington |
| New Zealand | Bryce Edwards | University of Otago |
| New Zealand | Jeffrey Karp | University of Exeter |
| Norway | Elisabeth Ivarsflaten | University of Bergen |
| Norway | Per Selle | University of Bergen |
| Portugal | Pedro Magalhães | University of Lisbon |
| Portugal | Marina Costa Lobo | University of Lisbon |
| Spain | Laura Chaqués | University of Barcelona |
| Spain | Eva Anduiza | Autonomous University of Barcelona |
| Sweden | Anders Westholm | University of Uppsala |
| Sweden | Svante Ersson | University of Umea |
| Sweden | Peter Esaiasson | University of Ghotenburg |
| Switzerland | Hanspeter Kriesi | European University Institute |
| Switzerland | Pascal Sciarini | University of Geneva |
| Switzerland | Silja Häeusermann | University of Zurich |
| United Kingdom | Peter John | University College London |
| United Kingdom | Will Jennings | University of Southampton |
| United States | Frank Baumgartner | University of North Carolina at Chapel Hill |
| United States | Christopher Wlezien | University of Texas at Austin |