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Are regulated and potentially unregulated combination gas and electric utilities natural monopolies?
Armstrong, Thomas Orwell, (1994)
Econometric estimation of telephone costs for local exchange companies : implications for economies of scale and scope and regulatory policy
Shin, Richard Tong-Jun, (1988)
On the subadditivity of telecommunications cost functions : some empirical results for the US and Japan
Diewert, Walter E., (1991)
Essays in the theory and application of contestable markets
Röller, Lars-Hendrik, (1987)
Auswirkungen von Regulierung auf das Investitionsverhalten in Netzindustrien : die europäische Telekommunikationsindustrie
Röller, Lars-Hendrik, (2009)
Challenges in EU competition policy
Röller, Lars-Hendrik, (2011)