In this Scholarly Work Amos(2011-e), First Published in 2011, Prof. Dr. Michael Patrick Amos, presents A Non-Walrasian Macroeconometric Model of U.S.A. Economy Behavior, and discusses in details the causes of International Financial Crises of 1920-2050. A distinguishing feature of present work is that a non-parametric model is specified and estimated, with foresight to year 2050, Understanding is provided by recent models of Amos(2010-b, 2011-c, and 2011-d).