This study includes an input-output analysis emphasizing regional and commodity sectors of American agriculture. The analysis is based on a 103-order input-output matrix of which a 90-order submatrix represents agriculture. The model used is applied to 1954 data in an attempt to provide certain descriptive relationships among sectors within agriculture and between agricultural and industrial sectors of the national economy.

Agriculture is divided into 10 type-of-farming regions. Nine product groups are identified in each region. Industry is aggregated nationally into (1) seven agricultural processing industries, (2) five agricultural furnishing industries and (3) one sector to represent "all other industries." Transactions are estimated between all producing and consuming sectors. These transactions are summarized in table A. Methodology for constructing them is given in Appendix A.