D. GALE JOHNSON
The increase in U.S. agricultural exports. Import duties on agricultural commodities. Reasons behind the trade surplus. The growth of factor productivity and of crop yields. The impact of domestic policies on agricultural exports: the United States and other countries.
The prosperity of American agriculture depends upon its access to foreign markets. The output from nearly a third of all cropland is exported, and were this market to significantly shrink, agriculture would be faced with severe adjustment problems. U.S. agriculture employs less than 4 percent of the total labor force and produces approximately 3 percent of the gross national product. Yet in recent years agriculture has accounted for a fifth of total commodity exports.