References
- Anckar, Dag & Karvonen, Lauri (2004). Constitutional Amendment Methods in the Democracies of the World. Turku: Abo Academy University.
- Armeanu, O. I. (2010a). The battle over privileges and pension reform: Evidence from legislative roll call analysis in Poland. Europe-Asia Studies, 62(4): 571-595.
- Armeanu, O. I. (2010b). The Politics of Pension Reform in Central and Eastern Europe: Political Parties, Coalitions, and Policies. New York: Palgrave Macmillan.
- Armstrong, D. A., Bakker, R., Carroll, R., Hare, C., Poole, K. T., & Rosenthal, H. (2014). Analyzing spatial models of choice and judgment with R. London: CRC Press.
- Benoit, K., & Laver, M. (2006). Party Policy in Modern Democracies. London: Routledge.
- Brooks, S. M. (2005). Interdependent and domestic foundations of policy change: The diffusion of pension privatization around the world. International Studies Quarterly, 49(2): 273-294.
- Jackman, S. (2009). Bayesian analysis for the social sciences (Vol. 846). John Wiley & Sons.
- Lijphart, A. (1992). Democratization and constitutional choices in Czecho-Slovakia, Hungary and Poland 1989-91. Journal of Theoretical Politics, 4(2): 207-223.
- Lundell, K. (2005). Contextual Determinants of Electoral System Choice A Macro-Comparative Study 1945–2003. Turku: Abo Akademi University Press.
- Lupu, Y. (2013). The informative power of treaty commitment: using the spatial model to address selection effects. American Journal of Political Science, 57(4): 912-925.
- Müller, K. (2007). The politics and outcomes of three-pillar pension reforms in Central and Eastern Europe. In C. Arza & M. Kohli (eds.): Pension reform in Europe. Politics, policies and outcomes. London and New York: Routledge Taylor, pp. 87-107.
- Myles, J., & Pierson, P. (2001). The comparative political economy of pension reform. In P. Pierson (ed.): The new politics of the welfare state. Oxford and New York: Oxford University Press, pp. 322-323.
- Orenstein, M. A. (2003). Mapping the diffusion of pension innovation. In R. Holzmann, M. A. Orenstein & M. Rutkowski (eds.): Pension Reform in Europe: Process and Progress (). Washington: The World Bank, pp. 171-193.
- Poole, K. T. (2005). Spatial models of parliamentary voting. New York: Cambridge University Press.
- Poole, K. T., & Rosenthal, H. (1984). The polarization of American politics. The Journal of Politics, 46(04): 1061-1079.
- Rogers, E. M. (1995). Diffusion of Innovations, 4th ed. New York: Free Press.
- Rokkan, S. (2009). Citizens, Elections, Parties: Approaches to the Comparative Study of the Processes of Development. Oslo: ECPR Press.
- Rosenthal, H., & Voeten, E. (2004). Analyzing roll calls with perfect spatial voting: France 1946–1958. American Journal of Political Science, 48(3): 620-632.