“Assessing market dominance”: a comment and an extension

Melnik et al. [Melnik, A., Shy, Oz, Stenbacka, R., 2008. Assessing market dominance. Journal of Economic Behavior and Organization 68, 63-72] have proposed a new statistic to assess market dominance. In this comment we expand their discussion of certain mathematical properties in their analysis and link their methodology to some previous approaches.Firm’s dominance; Dominant position; Measure of dominance