Gasmi, Farid; Ivaldi, Marc; Recuero Virto, Laura - C.E.P.R. Discussion Papers - 2009
We analyze demand for prepaid cellular voice and short message service (SMS) in South Africa by means of a demand … highly, they are as much as twice more elastic than off-peak communications. In relative terms, demand for communications … during peak hours is more elastic for urban than for rural consumers, while the reverse can be said about demand for off …