英文文献：The Demand For Nutritionally-Enhanced Varieties And Implications For Food Product Competition: The Case Of Orange Juice
英文文献作者：Dooley, Ryan,Eales, James S.,Binkley, James K.
英文文献摘要：
This study focused on consumer demand for orange juice, for both frozen concentrate and refrigerated, by major brands and nutritional enhancement. Demand for calcium-enhanced orange juice and standard orange juice were compared. Estimation involved system of demand equations and included the role of demographics.