http://www.newyorkfed.org/newsevents/speeches/2005/gei050329.html mostly US-centric (2005) interesting charts at bottom
http://econ.ucsc.edu/~walshc/ModernCentralBankingfinal.pdf an international perspective (2003) some good points and recap tables
http://econ.ucsc.edu/~walshc/ModernCentralBankingfinal.pdf an international perspective (2003) some good points and recap tables