“…Such a demand function can also be derived from the quadratic utility function of a representative consumer. See Bernstein and Federgruen [5], Chen and Chen [19], Chou and Parlar [25], Cruz and Tan [27], Eliashberg and Steinberg [33], Garcia-Gallego and Georgantzis [41], Giraud-Héraud, Hammoudi and Mokrane [42], Kopalle et al [50], Levis and Papageorgiou [55], Oxenstierna [64], Rothschild [75], Sanner and Schöler [77], and Sayman et al [78], for varied forms of this linear demand model.…”