1 the macro economic implications of micro market failures in telecommunications case sa nicola theron econex www co za department economics university stellenbosch nmb sun ac introduction this paper will examine and rationale for regulation south african sector role growth be emphasized by analysing effect that can have on rates section 2 highlight looking at fixed line mobile penetration africa selected countries 3 deal with specifically relevant concepts competition act no 89 1998 such as power dominance discussed 4 defines also analyses potential abusive behaviour adsl current vans complaint before tribunal 5 these anti competitive acts second part focus 6 gives an overview