1. Azoulay Y (2007) New plan aimed at helping infirm elderly regain independence, Haaretz.com. Online at http://www.haaretz.com/hasen/spages/923554.html (accessed 1 May 2009)
2. Bekler S (2008) Die Grauen machen weiter, Tagesspiegel, 29 February. Online at http://www.tagesspiegel.de/berlin/art270,2485741 (accessed 3 January 2009)
3. Birch S (2001) Electoral systems and party systems in Europe East and West. Perspect Eur Polit Soc 2(3):355–77
4. Bonoli G (2004) The politics of new social risks and policies, paper prepared for the International Sociological RC, 19th meeting, Paris, 2–4 September
5. Campbell AL (2003) How policies make citizens: senior political activism in the American welfare state. Harvard University Press, Princeton, NJ