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 "The Little Economy That Could," Foreign Policy, Feb.2, 2012.

  South Africa Growth Initiative, Project on South Africa: Performance and Prospects, 2005-08, Center for International Development, Harvard University.  CID team.

"Fiscal and Monetary Policy in a Commodity Based Economy," with B.Smit & F.Sturzenegger, Economics of Transition 16, Issue 4, pp.679-713, Oct. 2008 (Blackwell/Wiley). 

"South Africa: Macroeconomic Challenges after a Decade of Success,"  with B.Smit & F.Sturzenegger, Economics of Transition 16, Issue 4, pp.639-677, Oct.2008 (Blackwell/Wiley).  Harvard RWP07-021; CID, Jan. 2008.

"On the Rand: Determinants of the South African Exchange Rate," in the South African Journal of Economics, 75, no.3, September 2007, 425-441.   NBER WP 13050, April 2007;  Harvard CID WP  07-139..