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Please use this identifier to cite or link to this item:
http://hdl.handle.net/2451/28464
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| Title: | Usage and Diffusion of Cellular Telephony, 1998-2004 |
| Authors: | Grajek, Michał - Wissenschaftszentrum Berlin (WZB) and Humboldt University
Kretschmer, Tobias - University of Munich and LSE |
| Keywords: | Cellular telephony, diffusion, usage intensity, network effects,
consumer heterogeneity, fixed-mobile substitutability |
| Issue Date: | 2006 |
| Series/Report no.: | NET Institute Working Paper;06-21 |
| Abstract: | In this paper, we study the dynamics of usage intensity of
second-generation cellular telephony over the diffusion curve. We
address two specific questions: First, does information about usage
intensity over time allow us to draw conclusions about the underlying
drivers of technology diffusion? Second, what effect does the existence
and penetration of previous generations and other networks in the same
generation on network usage intensity? Using an operator-level panel
covering 41 countries with quarterly data over 6 years, we find that
heterogeneity among adopters dominates network effects and that
different technological generations are complements in terms of usage,
but substitutes in terms of subscription. |
| URI: | http://hdl.handle.net/2451/28464 |
| Appears in Collections: | NET Institute Working Papers Series
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