HAUSMAN, Jerry; LEONARD, Gregory; ZONA, J. Douglas - In: Annales d'Economie et de Statistique (1994) 34, pp. 159-180
Differentiated products are the central economic focus of competition in consumer goods products such as cereal, soda, and beer. We first estimate demand models which do not restrict unduly the pattern of consumer preferences as does much previous research in the area of differenciated products....