Retail market structure refers to the number of companies that sell similar or identical products in the same geographical area. An oligopoly describes a small group of companies that collude to raise ...
Caves, R. E., and M. E. Porter. "Market Structure, Oligopoly and the Stability of Market Shares." Journal of Industrial Economics 26, no. 4 (June 1978): 289–313.
Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...