Monopolistic Competition and Product Differentiation

b. The industry for individual-serving juice boxes is dominated by a few very large firms (for example, Minute Maid, Welch’s, and Kool Aid), and there are significant barriers to entry, in part because of the large costs (for example, advertising) involved in gaining any market share of the national market. Products are, however, differentiated—if perhaps only in the minds of consumers. Because of the small number of competitors, the industry is closer to oligopoly.