convex preferences造句

On a more personal note, Lefgren has two daughters and two sons, because of his convex preferences.
Combining with the previous subsection, if the consumer has strictly convex preferences, then the Marshallian demand is unique and continuous.
If the consumer has strictly convex preferences and the prices of all goods are strictly positive, then there is a unique utility-maximizing bundle.
Convex preferences with their associated convex indifference mapping arise from quasi-concave utility functions, although these are not necessary for the analysis of preferences.
It's difficult to find convex preferences in a sentence. 用convex preferences造句挺难的