Usage and Diffusion of Cellular Telephony, 1998-2004

Michal Grajek and Tobias Kretschmer

No 06-21, Working Papers from NET Institute

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.

Keywords: Cellular telephony; diffusion; usage intensity; network effects; consumer heterogeneity; fixed-mobile substitutability (search for similar items in EconPapers)
JEL-codes: L1 L52 O38 (search for similar items in EconPapers)
Pages: 42 pages
Date: 2006-10, Revised 2006-10
New Economics Papers: this item is included in nep-ict, nep-ino, nep-net and nep-tid
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Related works:
Journal Article: Usage and diffusion of cellular telephony, 1998-2004 (2009)
Working Paper: Usage and diffusion of cellular telephony, 1998-2004 (2007)
Working Paper: Usage and Diffusion of Cellular Telephony, 1998-2004 (2006)
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