Information on efficient regional patterns of agricultural production can be useful in devising policies for adjustments in farming that are consistent with modern conditions and concepts of economic development. Such knowledge can also indicate the amount and location of land to be withdrawn...

Matrix algebra has become a familiar research tool in recent years, but the teaching and learning problem is still formidable for many individuals. The purpose of this paper is to present a simple generalpurpose method of handling matrices for solving simultaneous equations, including those...

No one can exactly anticipate future changes in demand, technology, production, and prices of farm products. Yet farmers, legislators, and administrators are forced to make decisions each day that have impacts extending well into the future. They look to the economist and statistician to...

[nebst]: Suppl ... Mathematical models, proofs, methods of data collection and estimation and supplementary tables. U.S. Department of Agriculture, Agricultural Research Service. Wash., D. C., June 1961. 58 S