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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />M1591 <br /> <br />American Journal of Agricultural Economics. <br /> <br />Gerald E. Plato developed an equilibrium component which provides com- <br /> <br /> <br />mOdity price dynamics in the NIRAP model. The addition of this component <br /> <br /> <br />provided the opportunity for significant improvement of the computerized <br /> <br /> <br />model. This work was documented in a paper contributed to the American <br /> <br /> <br />Agricultural Economics Association Meetings in 1975. <br /> <br />In 1979, Don larson of the International Economics Division reesti- <br /> <br /> <br />mated the per capita consumption equations of the model. <br /> <br />The NIRAP system was moved to the International Economics Division to <br />explicitly recognize the increasing importance of international markets as <br />a significant factor in the determination of production and prices in the <br />U.S. agricultural sector. This reorganization permitted the projections of <br />the USDA Grain, Oilseed and livestock (GOl) model for U.S. exports to be <br />entered directly into the NIRAP model, replacing the previous export demand <br />functions. <br /> <br />As might be expected, with the continual incorporation of separate <br />models into one computer program and the addition of components built for <br />the computerized model, model management became very difficult because of <br />sheer size and redundancy of much of the information within the system. <br />During 1979 and 1980 David Watt, in cooperation with staff members at <br /> <br />11-3 <br />