Laffont, Jean-Jacques and N'Gbo, Aké (2000) Cross-Subsidies and Network Expansion in Developing Countries. European Economic Review, 44 (4-6). pp. 797-805.
and N'Gbo, Aké
(2000)
Cross-Subsidies and Network Expansion in Developing Countries.
European Economic Review, 44 (4-6).
pp. 797-805.