Alternatives to the value of sales of agricultural products as a major determinant in defining and classifying farms are proposed. Problems in understanding the changing structure of U.S. agriculture in the past 30 years result from: (1) rapid changes in the levels of agricultural prices, (2)...

Changes in the nature of the demand for meat in the postwar years, as contrasted with prewar, is of particular interest and concern to the livestock industry. Most statistical studies of demand that have been made used annual time series data. However, differences in demand within the span of a...