The statistical measures used by the U.S. Department of Agriculture since 1995 to monitor the food security of the Nation’s households—the extent to which they can consistently acquire adequate food for active healthy living—are based on a single-parameter logistic latent-trait measurement...

This report, reexamining past estimates of tile effect of income and food stamp benefits on food expenditures, finds that a cash-only Food Stamp Program would result in a significant reduction in food expenditures, although smaller than suggested, by some previous results. Most prior studies...

The results of this study suggest that, on a per person basis, female-headed households spend less for food than do similar two-parent households. The presence of a male head influences food expenditures less than household income and education level of the female head. Low income and low...

The statistical properties of daily closing futures prices for nine commodities are studied. Two hypotheses are examined: Price changes are normally distributed, and prices follow a random walk process. Normality is tested by estimating kurtosis, the R/S statistic, and characteristic exponents....