: The first is the widespread adoption of telephony; the second is the internet. We study the implications of these changes … in ICT for urban structure. We find robust evidence that increases in the number of telephone lines per capita lead to a … activity in space. The evidence on internet usage is more speculative, although it goes in the same direction. This empirical …

zentralen Adoptionsfaktoren. Auf der Grundlage der Principal-Agent-Theorie entwickelt Christina Rabe ein Modell zur Relevanz und …

government regulatory policies on the international telephone markets. When carriers in each country are required to act … exchanged telephone traffic with the U.S. between 1992 and 2004, we test the effects of bilateral market structures and the U …

international telephone markets. Under the requirement of uniform settlement rates, the proportional return rule (PRR) inflates the …