An empirical analysis of cellular demand in South Africa /
Gasmi, Farid.
Ivaldi, Marc.
Recuero Virto, Laura.
Centre for Economic Policy Research (Great Britain)
London : Centre for Economic Policy Research,
2009.
Cover title.
"Industrial organization".
"February 2009".
Includes bibliographical references (p. 38-40).
Also available from the CEPR World Wide Web site (www.cepr.org).