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On the subadditivity of telecommunications cost functions : some empirical results for the US and Japan
Diewert, Walter E., (1991)
Economic consequences of privatization in the telecommunications industry
Choi, Ki-Chul, (1997)
A price-impact measure of impediments to trade in telecommunications services
Trewin, Ray, (2000)
Towards an economic theory of barriers to communication
Maggi, Rico, (1989)
Versagt die klassische regionale Wirtschaftspolitik in der Schweiz?
Maggi, Rico, (2006)
Missing networks and regional development in Europe
Maggi, Rico, (1991)