This paper gives a model for price competition under consumer switching costs in a network setting with interconnection charges. This simultaneous analysis is conducted in a discrete choice model with a multinomial logit differentiation for the customers and not in a traditional Hotelling...

Mobile phones, which were introduced around a decade ago in 1995-1996 in India, are becoming the dominant means of accessing communication. At the end of 2005-2006, there were 90 million mobile subscribers in India in comparison to 50 million subscribers for landlines. The increase in mobile...

This paper analyses the pattern and rate of adoption of mobile telephones by the Portuguese population. It is shown that the pattern of diffusion is S-shaped and is consistent with a logistic function, which describes a symmetrical growth process. Furthermore, it is found that the levelling-off...