1. Blitz R, Chung J (2003) Backslapping and handshakes turn to failure. Financial Times, 23 June 2003
2. Browne A (2010) More power to the Mayor. PS Publicser-vice.co.uk. Available at www.publicservice.co.uk/feature_story.asp?id=14486 . Accessed 8 July 2010
3. Bundesministerium für Verkehr, Bau, und Stadtentwicklung (2006) Jahresbericht der Bundesregierung zum Stand der Deutschen Einheit 2006, pp 8–15
4. Carey JP, Carey C, Carey AG (1955) The South of Italy and the Cassa per il Mezzogiorno. West Polit Q 8(4):569–588
5. Carlino GA, Saiz A (2008) City beautiful. Working paper, no. 08–22, Federal Reserve Bank of Philadelphia, Philadelphia