Ishibashi, Ikuo; Matsushima, Noriaki - In: Marketing Science 28 (2009) 1, pp. 136-147
Two models of competition between high-end and low-end products benefiting the high-end firms are presented. One is a quantity competition model, and the other is a price competition model with product differentiation. The key factor is the existence of two heterogeneous consumer groups: those...