The following outside readings may be downloaded here.

New Gold Rush, K. Fagan in the San Francisco Chronicle, October 2009.

IMF "Classification of Exchange Rate Arrangements" 2004.

Krugman, Paul, “The Illusion of Conflict in International Trade” Peace Economics. 1995.

Rockoff, Hugh, "The 'Wizard of Oz' as a Monetary Allegory", Journal of Political Economy, 1990.