Notes, Comments and Preliminary results Feb 16 2010 Derek Stimel   Choice of Aggregate Demand Proxy and its Affect on Phillips Curve Nonlinearity: U.S. Evidence   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Apr 30 2009 Derek Stimel   An examination of U.S. Phillips curve nonlinearity and its relationship to the business cycle   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result