1. Berry FS, Berry WD (1999) Innovation and diffusion models in policy research. In: Sabatier P (ed) Theories of the policy process. Westview Press, Boulder, pp 169–200
2. Breton A (1996) Competitive governments: an economic theory of politics and public finance. Breton, Cambridge, 1996
3. De Sousa L (2013) Understanding European cross-border cooperation: a framework for analysis. J Eur Integr 35:669–687
4. Dötsch J, Okruch S (2014) Institutioneller Wandel im Rechtssystem zwischen Dogma und Evolution. In: Dötsch J (ed) Dogma und evolution. Metropolis, Marburg, pp 129–148
5. Dye TR (1990) American federalism: competition among governments. Lexington Books, Lexington