The differential demand model for uniform substitutes is used to analyze demand for orange-juice products. Consumption trends are examined by allowing the marginal propensities to consume to vary with time. Results indicate ready-to-serve (frozen concentrated) orange juice has become more (less)...

This study explored the roles of nutrients in the demand for food through utility theory. The findings support the argument that nutrients play important roles in the demand for food. The 1987-88 Nationwide Food Consumption Survey data were used. The impacts of six nutrients (carbohydrates,...

Demand relationships for two closely related products -- grapefruit juice and grapefruit-juice cocktail -- were estimated from grocery-store scanner data to analyze the contention that consumer confusion exists between the two products. Results suggest confusion may exist, with grapefruit-juice...

This study incorporates quality into the Rotterdam demand system based on utility theory. Quality was modeled through its impact on marginal utility via perceived prices, following theoretical work by Basemann and Barten, among others. Results show that the price elasticity of fresh grapefruit...

Asymmetry is introduced into the Rotterdam model by allowing the income response to depend on whether real income increases or decreases. Price responses, in turn, are asymmetric through the general and specific substitution terms. Analysis of data on food and three other broadly defined goods...