Five major driving forces shaping the U.S. agricultural structure are discussed separately. Specifically, technological innovation, trade, and rural development play the central roles in dictating the current structure of agriculure. Changes in composition of choice of labor force activities, such as farm size and number, choice of labor force activities, sources of farm labor, distribution of income/ouput, land control and ownership, enbironmental quality, and types of commodities grown, are explicated. Other important issues related to structural change, such as investment in human capital and uncerlainty, risk management, and information systems, are also discussed in this paper.
