Shu-chun Susan Yang International Monetary Fund   1335 N Carolina Ave NE Washington, DC 20002 USA   syang@imf.org   http://www.imf.org/external/np/cv/AuthorCV.aspx?AuthID=188           JEL Areas: E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General H6 : National Budget, Deficit, and Debt: General