References
- Dürr, N., S. Heim, and K. Hüschelrath. 2016. “Deregulation, Competition, and Consolidation: The Case of the German Interurban Bus Industry.” Journal of Transport Economics and Policy 50 (2): 164–188.
- Kahn, A. 1988. The Economics of Regulation: Principles and Institutions. Cambridge: The MIT press.
- Kahn, A. 2003. Lessons from Deregulation: Telecommunications and Airlines after the Crunch. Washington, DC: AEI-Brookings Institution Press.
- Morrison, S., and C. Winston. 1986. The Economic Effects of Airline Deregulation. Washington, DC: The Brookings Institution.
- Office for Goods Transport. 2014. Marktbeobachtung Güterverkehr – Marktanalyse des Fernbuslinienverkehrs 2014. Cologne. http://www.bag.bund.de/SharedDocs/Downloads/DE/Marktbeobachtung/Sonderberichte/SB_Fernbus.pdf?__blob=publicationFile