Several models have been proposed to express customer preference variation. In this paper, we express it not by customer segmentation but by latent class. Not only decision-making factors but also decision-making processes differ according to the class. We propose a service-choice behaviour...

In Japan, demands for broadband Internet access and IP telephony have increased dramatically in recent years. According to official sources, as of September 2009, there are 30.9 million users of broadband Internet access and 20.9 million of IP telephony. This study evaluates and estimates the...