The validity of the assumptions underlying the 21-Meal-Nutritionally-EquivalentPerson (21-MNEP), an adjustment procedure employed In nutritional analyses of U S Department of Agriculture food consumption survey data, IS examined Some assumptions are inconsistent With actual nutrient Intake data...

The authors examine the small sample properties and forecasting performance of estimators In models using the Box-Cox transformation via a Monte Carlo experiment They develop a simple,estimator for the expected value of the untransformed dependent variable They show that the sign and magnitude...

Quantifying the relationship between expenditure for a commodity and household income (Engel analysis) has focused on the use of classical functional forms with few rigorous procedures available for selecting the most appropriate function We employ flexible functional forms {Box-Cox curves} to...