This article reviews an abuse of dominance decision against the incumbent domestic airline
in South Africa (SAA) taken in 2010 and upheld on appeal in 2011. This case placed
significant emphasis on the economic impact of the abusive conduct, and it represents a
clear example of the adoption of an effects-based approach to assess exclusionary behavior
by a dominant firm. As this article sets out, given the features of SAA's conduct and of the
relevant market context, it is also possible to identify a coherent economic framework that …