Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/44552
Authors: 
Koski, Heli
Kretschmer, Tobias
Year of Publication: 
2009
Series/Report no.: 
ETLA Discussion Papers, The Research Institute of the Finnish Economy (ETLA) 1200
Abstract: 
Most existing empirical work on technology diffusion assumes technologies to remain constant throughout the diffusion process. However, many consumer technologies improve significantly over time. Using data on the characteristics of new mobile handsets over a ten-year period and controlling for potential endogeneity problems, we find that handset quality and variety had a significant impact on the global diffusion of mobile telephony. Our estimation results further suggest that earlier empirical studies on diffusion may have attributed too much of diffusion to network effects.
Subjects: 
Product innovation
Technology Diffusion
Mobile Telephony
JEL: 
L96
O33
Document Type: 
Working Paper

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