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Guseo, Renato - Guidolin, Mariangela (2009) Cellular Automata with Network Incubation in Information Technology Diffusion. [Working Paper] WORKING PAPER SERIES, 14/2009 . , PADOVA (Inedito)

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Abstract (inglese)

Innovation diffusion of network goods determines direct network externalities that exhibit delayed full benefits, depressing sales for long periods. We model a multiplicative dynamic market potential driven by a latent heterogeneous individual threshold derived from a basic economic theory by Economides and Himmelberg (1995) which is embedded in a special Cellular Automata representation. The corresponding mean field approximation of its aggregate version is a Riccati equation with a closed form solution. This allows the detection of a change-point time separating an incubation period from a subsequent take-off due to a sufficient critical mass acting as a collective threshold. Weighted nonlinear least squares methodology is the main inferential technique. An application is analysed with reference to USA fax machine diffusion.


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Tipo di EPrint:Working Paper
Anno di Pubblicazione:25 Settembre 2009
Parole chiave (italiano / inglese):Network externalities, Threshold diffusion models, Chilling effect, Cellular automata, Riccati equation, Generalized Bass Model, NLS.
Settori scientifico-disciplinari MIUR:Area 13 - Scienze economiche e statistiche > SECS-S/01 Statistica
Struttura di riferimento:Dipartimenti > Dipartimento di Scienze Statistiche
Codice ID:7155
Depositato il:10 Ott 2014 09:39
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