Abstract
From the government's perspective, it is very important to estimate the growing path of the mobile Internet market and then to forecast the trend. The purpose of this paper is to propose a diffusion model that reveals the growth pattern of the mobile Internet subscriber in Taiwan utilizing the concepts of the “technical substitution” and the “multi-product competition”, which suits the characteristics in the mobile Internet market in Taiwan. From the regression results, the estimated ultimate market potential of GPRS is 6.4 million, which is going to saturate in about 2008Q1. On the other hand, the estimated range of the market potential of PHS/3G is about 7.2 to 8.0 million. That is, the total mobile Internet market in Taiwan is forecasted to be around 13.6 to 14.4 million subscribers.
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