1. Armingeon, Klaus, David Weisstanner, Sarah Engler, Panajotis Potolidis, Marlène Gerber and Philipp Leimgruber (2011) ‘Comparative Political Data Set I (23 OECD Countries)’, Retrieved 23 August 2012 from http://www.ipw.unibe.ch /content/team/klaus_armingeon/comparative_political_data_sets/index_ger.html.
2. Bauer, Michael W. and Christoph Knill (2012) ‘Understanding Policy Dismantling: An Analytical Framework’, in Michael W. Bauer, Andrew Jordan, Christoffer Green-Pedersen and Adrienne Héritier (eds) Dismantling Public Policies: Preferences, Strategies, and Effects (Oxford University Press), 30–55
3. Bonoli, Giuliano (2007) ‘Switzerland: The Impact of Direct Democracy’, in Ellen M. Immergut, Karen M. Anderson and Isabelle Schulze (eds) The Handbook of West European Pension Politics (Oxford University Press), 203–47.
4. Brewer, John and Albert Hunter (1989) Multimethod Research: A Synthesis of Styles (Newbury Park: Sage).
5. Bryman, Alan (2006) ‘Integrating Quantitative and Qualitative Research: How Is It Done?’, Qualitative Research, 6 (1), 97–113.