1. Albin, C. (1999). Can NGOs enhance the effectiveness of international negotiation? International Negotiation, 4, 371–387.
2. Arts, B. (2005). Non-state actors in global environmental governance: New arrangements beyond the state. In M. Koenig-Archibugi & M. Zürn (Eds.), New modes of governance in the global system: Exploring publicness, delegation, and inclusiveness (pp. 177–200). New York: Palgrave.
3. Austen-Smith, D. (1997). Interest groups: Money, information, and influence. In D. Mueller (Ed.), Perspectives on public choice. A handbook (pp. 296–321). Cambridge: Cambridge University Press.
4. Bättig, M., & Bernauer, T. (2009). National institutions and global public goods: Are democracies more cooperative in climate change policy? International Organization, 63, 281–308.
5. Baumgartner, F., & Leech, B. (2001). Issue niches and policy bandwagons: Patterns of interest group involvement in national politics. Journal of Politics, 63, 1191–1213.