This study, made by means of a national and interregional programming model, examines the future of American agriculture. It examines policy alternatives and various outcomes for agriculture if the industry took on various structures in size and technology. In the latter connection it measures, in relation to policies and farm sizes which might prevail in the future, affects of farm commodity prices, returns in the farm sector, employment and input requirements of agriculture, capital needs of the industry, consumer food costs and generation of employment and income in the rural nonfarm sector.