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Cost-based tariffs for telecommunications : the position in Europe
Lewin, David, (1989)
The telephone use in Sweden and its sensitivity to prices
Sjöholm, Kent R., (1991)
On price elasticities of international telecommunication demand
Hackl, Peter, (1995)
Competition, long run contracts and internal inefficiencies in firms
Horn, Henrik, (1992)
Prissāttning av telefonsamtal
Lang, Harald, (1990)
Horn, Henrik, (1994)