Differentiating mobile broadband policies across diffusion stages: A panel data analysis.

11 Out of 23 explanatory variables, when interacted with group dummies, 15 variables of the reference group turned out to be statistically highly significant and adjusted R 2 increased slightly after adding interaction terms.

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Lin and Wu (2013) , using OECD data, found that education played a positive role in broadband adoption, and Gulati and Yates (2012) reported that the regulatory quality was marginally statistically significant (at a ten percent level of significance) in explaining mobile broadband adoption.

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